var junbicyuu = function(myobj) {
    var hyouzi_naiyou = myobj.firstChild.nodeValue;
	$("sentaku_koumoku").innerHTML = "<div class='benkyou2'>"+hyouzi_naiyou+"</div>";	
	var junbicyuu = "<div style='font-size:16px; color:#800;'>準備中です</div>"
	$("menu").innerHTML = junbicyuu;	
	}

	var key_sel =  function(myobj) {
	   var sougou_awase = myobj.id.substr(0,1);
	   var hyouzi_naiyou = myobj.firstChild.nodeValue;
		$("sentaku_koumoku").innerHTML = "<div class='benkyou2'>"+hyouzi_naiyou+"</div>";	

	list_hyouji(sougou_awase);	
	}

	var sougou_onclick = function() {
	myEffectPuff6(menu);
	}
	var key_sel =  function(myobj) {
	   var sougou_awase = myobj.id.substr(0,1);
	   var hyouzi_naiyou = myobj.firstChild.nodeValue;
		$("sentaku_koumoku").innerHTML = "<div class='benkyou2'>"+hyouzi_naiyou+"</div>";	

	list_hyouji(sougou_awase);	
	}

	var list_hyouji =  function(my) {
	   var arr_str = "";
	   arr_str_list = [];
	   arr_daimei = [];
	   var p = 0;
	   var menu_html = "";
	   var sougou_key = "";
		

		for(mkey in test){
  	   			arr_str = mkey.substr(0,3);
				sougou_key = mkey.substr(3,1);
  	   		if(sougou_key == my){
				if(arr_str_list.length == 0){
                    arr_str_list[p] = arr_str;
                    arr_daimei[p]=test[mkey]["daimei"];
                    p++;
								menu_html += '<input type="button" onclick="sougou_random2(this),tobashi()" id="'+my+'randomb" class="randomb" value="ランダム" onmouseover="myEffbotanHighli8(this)"></input><br><br>';
				}
				else{
						if(arr_str_list[p-1] == arr_str){
						}
						else{
						arr_str_list[p] = arr_str;
                    	arr_daimei[p]=test[mkey]["daimei"];
						p++;
						}				  	   			
  	   			}
			}
		}
		
			for (var i = 0; i < arr_str_list.length; i++){
			menu_html += '<table border="0"><tr>';				
			menu_html += '<td class="menu_header" id="'+arr_str_list[i]+'_header" onclick="click_list(this)" nowrap onmouseover="m_overtxt(this)" onmouseout="m_outtxt_midashi(this)">'+arr_daimei[i]+'</td>';
			menu_html += '<td class="close_block" onClick="tonari_kieru(this)" onmouseover="m_overtxt(this)" onmouseout="m_outtxt_midashi(this)">close<div class="menu_block" id="'+arr_str_list[i]+'_block"><div id="'+arr_str_list[i]+'"></div></div></td>';
			menu_html += '</tr></table>';			
//			menu_html += '<div class="menu_block" id="'+arr_str_list[i]+'_block"><div id="'+arr_str_list[i]+'"></div></div>';						

			}	
$(menu).innerHTML = menu_html;	   		
	   }
	   
var tonari_kieru = function(myobj) {

	var nextNode = myobj.childNodes[1].firstChild;
	nextNode.innerHTML = "";
	
}	   
var click_list =  function(myobj) {
	var p = 0;
	var s_key = [];
	var kari_key = myobj.id;
		kari_key = kari_key.substr(0,3); 	
    var list_content = "";
    var list_random = "";
    var zen_content = "";
	  	   for(var key in test){
	  	   	    hikaku = key.substr(0,3);
	  	   	    mykey = key.substr(4,key.length-1);
	  	   		if(hikaku == kari_key){
	 list_content += '<div onmouseout="m_outtxt(this)" onmouseover="m_overtxt(this)" onclick="tobashi(),list_select(this),my_dragg()" class="mylist">'+mykey+'</span><span style="display:none;" class="mkey">'+key+'</span></div>'; 	   			
	  	        s_key [p] = key;
	  	        p++;
	  	   		}	
	  	   }
		
	 shuffle(s_key);
	list_random = '<div onclick="tobashi(),list_select(this),my_dragg()" class="random"><span onmouseout="m_outtxt(this)" onmouseover="m_overtxt(this)">ランダム</span><span style="display:none;" class="randamkey">'+s_key[0]+'</span></div>';
		
zen_content = list_random + list_content;
			//	alert(zen_content);
		  		$(kari_key).innerHTML = zen_content;

	}

	var sougou_random = function() {
		cooke_toridasi("xx");
param = location.search;
param =	unescape(param);		
awase2_key = param.substr(1,(param.length - 1));
		
len = awase2_key.indexOf("★");
naiyou = awase2_key.substr(0,len);

koumoku = awase2_key.substr(len + 1,awase2_key.length - len);
		
keykey = awase2_key.substr(3,1);   

	var p = 0;
	var s_randomkey = [];
	var hikaku2 = ""; 	
	  	   for(var key in test){
	  	   	hikaku2 = key.substr(3,1);	
	  	   		if(hikaku2 == keykey){
			  	   s_randomkey[p] = key;
			  	   p++;	  	   		
	  	   		} 
  	   		
	  	   }
			$("coment").innerHTML = chal_cnt+"問目にチャレンジ";	
			$("ccc_place").innerHTML = koumoku;
			$("bbb_place").innerHTML = '<input type="button" onclick="jumpccc(),tobashi()" id="'+keykey+'randomb" class="randomb" value="ランダム" onmouseover="myEffbotanHighli8(this)"></input><br><br>';

			
	 shuffle(s_randomkey);
			if(s_randomkey[0] == naiyou){
	 K(s_randomkey[1]);
			}
            else{
 	 K(s_randomkey[0]);		
			}		 

	 my_dragg();	   	   

	}

	var sougou_random2 = function(myobj) {
//cnt_parm_get();
cooke_toridasi("xx");		
		keykey = myobj.id;
		keykey = keykey.substr(0,1);
		var hikaku = "";
        hikaku2 = $(keykey+"_sougou").innerHTML;

        $("ccc_place").innerHTML = hikaku2;		
		$("bbb_place").innerHTML = '<input type="button" onclick="jumpccc(),tobashi()" id="'+keykey+'randomb" class="randomb" value="ランダム" onmouseover="myEffbotanHighli8(this)"></input><br><br>';		

	var p = 0;
	var s_randomkey = [];
	  	   for(var key in test){
	  	   	hikaku = key.substr(3,1);
	  	   	if(hikaku == keykey){
			  	   s_randomkey[p] = key;
			  	   p++;	  	   		
	  	   		} 
  	   		
	  	   }
/*
			if(chall_cnt == ""){
			$("coment").innerHTML = "1問目にチャレンジ";
			}else{
			$("coment").innerHTML = chall_cnt+"問目にチャレンジ";
			}
*/
		$("coment").innerHTML = chal_cnt+"問目にチャレンジ";
	 shuffle(s_randomkey); 	 
	 K(s_randomkey[0]);		
	 my_dragg();	   	   

	} 

   var mylist = function() {
       key_id = ["hd1","hd2","hd3","hd4","hd5","hd6","hd7"];
       var random_mkey = new Array(test.length);
       var list_content = [];
       var list_random = [];
       var zen_content = [];
       var p = 0;
       var mkey = [];
   	   var arr_type = new Object();
       var arr_str = "";
		var arr_str_list = new Array();
       var arr_len = 0;
       
  	   for(mkey in test){
  	   	arr_str = mkey.substr(0,3);
//  	   	    arr_str = "hoi";
  	   	if(arr_type[arr_str]){
  	   		arr_len = arr_type[arr_str].length;
  	   	}else{
  	   		arr_str_list[p] = arr_str;
  	   		p++;
  	   		arr_type[arr_str] = new Array();
  	   		arr_len = 0;
		}
  	   	arr_type[arr_str][arr_len] = mkey;  	   	
//  	   	arr_type[arr_str][arr_len] = mkey.substr(4,mkey.length-1);
//  	   	alert(arr_type[arr_str][arr_len]);
//  	   	arr_type["hoi"][arr_len] = mkey.substr(4,mkey.length-1);
//  	   	arr_type[arr_str][new Array(test.length);] = mkey.substr(4,mkey.length-1);
//  	   	alert(arr_type[arr_str][arr_len]);
// 	   	alert(mkey.substr(4,mkey.length-1)); 
//  	   	break;

  	   	  	   	}/**/
 		
     for (var i = 0; i < key_id.length; i++){
   	   list_content[i] = "";
		for(mkey in test){
   	   	var mkey2 = mkey.substr(4,mkey.length-1);
   	   	var hikaku_n =  mkey.substr(0,3);

   	   			if(hikaku_n == key_id[i]){
    	list_content[i] += '<div onmouseout="m_outtxt(this)" onmouseover="m_overtxt(this)" onclick="tobashi(),list_select(this),my_dragg()" class="mylist">'+mkey2+'</span><span style="display:none;" class="mkey">'+mkey+'</span></div>';
   	   			}
	   		}
	   		 
   		}


  for (var i = 0; i < arr_str_list.length; i++){	
		arr_str = arr_str_list[i];
		shuffle(arr_type[arr_str]);
	  	
//  	exit;  	
   		list_random[i] = '<div onclick="tobashi(),list_select(this),my_dragg()" class="random"><span onmouseout="m_outtxt(this)" onmouseover="m_overtxt(this)">ランダム</span><span style="display:none;" class="randamkey">'+arr_type[arr_str][0]+'</span></div>';
	
   	zen_content[i] = list_random[i] + list_content[i] ; 
  		$(key_id[i]).innerHTML = zen_content[i];  	     		
//   	$(key_id[i]).innerHTML = zen_content[i];
//   	alert($(key_id[i]).innerHTML);
// 	  	alert($(key_id[i]).firstChild.childNodes.item(1).firstChild.nodeValue);

   		}

   		   }
   
	var tobashi = function() {
	myEffectPuff6(zentai);
		
	}
	
	var modori = function() {
	myEffectPuff6(bbb);
	myEffectAppear7(menu);
	    	}

	    	
	var m_overtxt = function(mobj) {
	var mobj=$(mobj);
	mobj.style.color = "orange";
	}
	
	var m_outtxt = function(mobj) {
	var mobj=$(mobj);
	mobj.style.color = "#1e90ff";
	}
	
	var m_outtxt2 = function(mobj) {
	var mobj=$(mobj);
	mobj.style.color = "#008";
	}
	
	var m_outtxt_midashi = function(mobj) {
	var mobj=$(mobj);
	mobj.style.color = "#008";
	}	

	var mozi_col_chage = function(mobj,color) {
	var mobj=$(mobj);
	mobj.style.color = color;
	}
		
	var my_shake = function(mobj) {	
	new Effect.Shake(mobj, {duration:3.0}); return false;	
		}

	var list_select = function(myobj) {
//cnt_parm_get();
cooke_toridasi("xx");		
//		   var mykey = hoi.firstChild.childNodes.item(1).firstChild.nodeValue;
	    var mykey = "";
		var thisclass = myobj.getAttribute('class') || myobj.getAttribute("className");
		if(thisclass == "random"){
		mykey = myobj.childNodes(1).firstChild.nodeValue;
		}
		else{
		mykey = myobj.childNodes(2).firstChild.nodeValue;
			
		}

var inpkey = mykey.substr(3,1);
var ccc_naiyo = $("sentaku_koumoku").innerHTML;
        $("ccc_place").innerHTML = ccc_naiyo;		
		$("bbb_place").innerHTML = '<input type="button" onclick="jumpccc(),tobashi()" id="'+inpkey+'randomb" class="randomb" value="ランダム" onmouseover="myEffbotanHighli8(this)"></input><br><br>';		
/*			
if(chall_cnt == ""){
			$("coment").innerHTML = "1問目にチャレンジ";
			}else{
			$("coment").innerHTML = chall_cnt+"問目にチャレンジ";
			}
*/

		$("coment").innerHTML = chal_cnt+"問目にチャレンジ";

		K(mykey);
	    }
	    	
var nextpage_select = function() {
cooke_toridasi("xx");
param = location.search;
param =	unescape(param);
//alert(param);
awase2 = param.substr(1,(param.length - 1));
		
len = awase2.indexOf("★");
len2 = len - 2;
naiyou = awase2.substr(2,len2);

chall_cnt = awase2.substr(awase2.length-1,1);
//		alert(awase2+naiyou+"+"+hantei_flg);
koumoku = awase2.substr(len + 1,awase2.length - len -2);
		
keykey = awase2.substr(5,1); 

nxorbf = awase2.substr(0,2);
	
       var selkey = [];
       var p = 0;
       var hikaku = "";
  	   for(var key in test){
  	   hikaku = key.substr(3,1);
  	   
  	   		if(hikaku == keykey){
  	   		selkey[p] = key;
   	   		p++;
  	   		}
   	   
   	   }
	   
   	   var length = selkey.length;
   	   var next_key = "";
       		for (var i = 0; i < length; i++){
//       		alert(selkey[i]+awase2_key) ;
       			if(selkey[i] == naiyou){
       				if(nxorbf == "nx"){
       				next_key = selkey[i + 1];
       				}	
       				else{
       				next_key = selkey[i - 1];
       				}	
       			;
       			}
       		}
$("coment").innerHTML = chal_cnt+"問目にチャレンジ";
$("ccc_place").innerHTML = koumoku;
$("bbb_place").innerHTML = '<input type="button" onclick="jumpccc(),tobashi()" id="'+keykey+'randomb" class="randomb" value="ランダム" onmouseover="myEffbotanHighli8(this)"></input><br><br>';
      	K(next_key);

 	   }
 	   
var aaapage_select = function() {
param = location.search;
param =	unescape(param);


var aaa_key = param.substr(1,(param.length - 1));	   
	var s_key = [];
	var p = 0;
	awase_key = aaa_key.substr(3,1);
list_hyouji(awase_key);		
	aaa_key = aaa_key.substr(0,3);

	var sentaku_kou_divs = $$('div.sentaku_kou');
	hikaku = [];
	hyouzi_naiyou = "";
       		for (var i = 0; i < sentaku_kou_divs.length; i++){
       		hikaku[i] = sentaku_kou_divs[i].id.substr(0,1);
       			if(hikaku[i] == awase_key){
 					hyouzi_naiyou = sentaku_kou_divs[i].firstChild.nodeValue;
       				$("sentaku_koumoku").innerHTML = hyouzi_naiyou;
       			}	
       		}	
	
	var list_content = "";
    var list_random = "";
    var zen_content = "";
	  	   for(var key in test){
	  	   	    hikaku = key.substr(0,3);
	  	   	    mykey = key.substr(4,key.length-1);
	  	   		if(hikaku == aaa_key){
	 list_content += '<div onmouseout="m_outtxt(this)" onmouseover="m_overtxt(this)" onclick="tobashi(),list_select(this),my_dragg()" class="mylist">'+mykey+'</span><span style="display:none;" class="mkey">'+key+'</span></div>';
	  	        s_key [p] = key;
	  	        p++;
	  	   		}	
	  	   }
shuffle(s_key);
	list_random = '<div onclick="tobashi(),list_select(this),my_dragg()" class="random"><span onmouseout="m_outtxt(this)" onmouseover="m_overtxt(this)">ランダム</span><span style="display:none;" class="randamkey">'+s_key[0]+'</span></div>';	

zen_content = list_random + list_content;
	$(aaa_key).innerHTML = zen_content;
	new Effect.SlideDown(aaa_key+'_block1');	

} 

	    var jumpbbb = function(myobj) {

		var koumoku_key = $("ccc_place").innerHTML;
		var awase_key = $("key_place").innerHTML;
	    var hentei_fl = $("hantei_f").innerHTML;
		cookie_cnt_ireru(hentei_fl);
	    var botans_id = myobj.id;
	    	if(botans_id == "next_bt"){
	    	location.href = "bbb.php?nx"+awase_key+"★"+koumoku_key;	    	
	    	}else{
	    	location.href = "bbb.php?bf"+awase_key+"★"+koumoku_key;	    	
	    	}
}

	var jumpaaa = function() {

var hentei_fl = $("hantei_f").innerHTML;
var awase_key = $("key_place").innerHTML;
	cookie_cnt_ireru(hentei_fl);		

	location.href = "aaa2.html?"+awase_key;
    
}

	var jumpccc = function() {
var hentei_fl = $("hantei_f").innerHTML;
var koumoku_key = $("ccc_place").innerHTML;
var awase_key = $("key_place").innerHTML;
	cookie_cnt_ireru(hentei_fl);
    location.href = "ccc.php?"+awase_key+"★"+koumoku_key;
    
}      
   
    
function K(mykey) {
           var str = test[mykey]['bunsyou'];
           var str2 = "";
           for (i=0; i < str.length-1; i++){
           		if(str.charAt(i) == "★"){
           		str2 += "<br>";
           		}
           		else{
           		str2 += str.charAt(i) ;
           		}
           		
           }
           //str2 = str.replace(/★/i,"<br>");
           var bs = str2.split("#");
           var zen_psen = test[mykey]['psen'];           
           var kaku_psen = zen_psen.split("#");
				var owari_flag = 0;
				if(kaku_psen[kaku_psen.length-1] == "owari"){
				kaku_psen.pop();
				var owari_flag = 1;
				}
				var hajime_flag = 0;
				if(kaku_psen[kaku_psen.length-1] == "hajime"){
				kaku_psen.pop();
				var hajime_flag = 1;
				}
           var my_html = '' ;
           var view = '' ;
           var s_view = '';
           var bsck = [];
           var bs_leng = [];
           var kotae = [];
           var sentaku = [];
           var p = 0;
           var dai_mei = mykey.substr(4,mykey.length-1);
           my_html += '<div style="font-size:15px;color:#330066" id="dai_basyo">'+dai_mei+'<span style="display:none;" id="key_place">'+mykey+'</span></div><br>';

		   var sentaku_fg = ["A","B","C"];
	       shuffle(sentaku_fg);
     for (var i = 0, length = bs.length; i < length; i++){
 
	           bsck[i] = bs[i].charAt(0);
	           
//	           if(isNaN(bsck[i])){
//		           view += '<span class="bn">'+bs[i]+'</span>';
//	           }
           	   if(bsck[i].match(/[ABC]/)){
		           bs_leng[i] = bs[i].length - 1;
		           kotae[i] = bs[i].substr(1,bs_leng[i]);
		           sentaku[p] = kotae[i];
			       p++;
						if(bsck[i] == sentaku_fg[0]){
		           view += '<span class="box1">&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp</span><span class="kait">'+kotae[i]+'</span>';
						}
						else{
							bs[i] = bs[i].substr(1,bs[i].length-1);
		           view += '<span class="bn">'+bs[i]+'</span>';										}
				}
	           else{
		           view += '<span class="bn">'+bs[i]+'</span>';
	           }
		}
my_html += '<p id="c">'+view+'</p>';

                s_view += '<center><table id="mytable">';

                var z = kaku_psen.concat(sentaku);               
                for (var i = 0; i < z.length; i++){
               		for(var n = i + 1; n < z.length; n++){
               			if(z[i] == z[n]){
                        z[i] = "del";
               			}
               		}
                }
                var pp = 0;
                var z_sentaku = [];
                for (var i = 0; i < z.length; i++){
						if(z[i] != "del"){
                        z_sentaku[pp] = z[i];
                        pp++;
               			}                
               	}                
                
     			shuffle(z_sentaku);
var mytr_len = 8;//最大何セルにするか
				var start_len = mytr_len * -1;
				var max_len = 0;
				var amari = z_sentaku.length%4;
				
				var tr_kazu = Math.floor(z_sentaku.length/mytr_len);

				for (var n = 0; n < tr_kazu; n++){
				s_view += '<tr>';
				start_len += mytr_len;
				max_len += mytr_len;
				for (var i = start_len; i < max_len; i++){
				s_view += '<td class="stg" nowrap>'+z_sentaku[i]+'</td>';
				}
				s_view += '</tr>';					
				}
				
				if(amari != 0){
				start_len = z_sentaku.length - amari;
				max_len = z_sentaku.length ;
				s_view += '<tr>';
					for (var i = start_len; i < max_len; i++){
					s_view += '<td class="stg" nowrap>'+z_sentaku[i]+'</td>';
					}
				s_view += '</tr>';
				}
				
			s_view += '</table></center>';

my_html +='<div id="b" class="b" style="display:block;">'+s_view+'</div>';

my_html += '<table id="mytable2"><tr>';
my_html += '<td id="handlen" onClick="handl()" onmouseover="myEffbotanHighli8(this)" class="botan1">判定</td>';

if(hajime_flag == 0){
my_html += '<td id="before_bt" onClick="jumpbbb(this)" onmouseover="myEffbotanHighli8(this)" class="botan1">前へ</td>';
}	
if(owari_flag == 0){
my_html += '<td id="next_bt" onClick="jumpbbb(this)" onmouseover="myEffbotanHighli8(this)" class="botan1">次へ</td>';
}

//my_html += '<a href="aaa.php"><td id="handlen3" onmouseover="myEffbotanHighli8(this)" class="botan1">終了</td></a>';

my_html += '<td id="handlen3" onClick="jumpaaa()" onmouseover="myEffbotanHighli8(this)" class="botan1">終了</td>';

	my_html += '</tr></table>';

my_html += '<br><div id="seikai" style="display:none;font-size=15px;color:green;"></span>'

$("bbb").innerHTML = my_html;

}

   var myStartEffect = function(element) {
     element._opacity = Element.getOpacity(element);
     new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7});
     new Effect.Highlight(element, {});
     
   }
   var myStartEffect2 = function(element) {
   new Effect.Pulsate(element, {duration:2.0, transition: Effect.Transitions.linear});
   new Effect.Highlight(element, {duration:2.0, transition: Effect.Transitions.pulse}) ;

   }
   
   var myStartEffect3 = function(element) {
    new Effect.Appear(element, {delay:0.1, duration: 1.0,
    from: 0.1, to:2.5,
    transition: Effect.Transitions.linear});

   }
   
   var myStartEffect4 = function(element) {
   new Effect.Appear(element, {delay:0.1, duration: 4.0,
    from: 0.1, to:2.5,
    transition: Effect.Transitions.wobble});

   } 

   var myStartEffect5 = function(element) {
   new Effect.Fade(element, {delay:0.1, duration: 4.0,
    from: 0.1, to:2.5,
    transition: Effect.Transitions.linear});
   
   }
   
   var myEffectPuff6 = function(element) {
   new Effect.Puff(element, { duration: 0.1, queue: 'end' });  
   }

   var myEffectAppear7 = function(element) {
    new Effect.Appear(element, {delay:0.6, duration: 1.0,
    from: 0.1, to:2.5,
    transition: Effect.Transitions.linear});
   }
   
   var myEffbotanHighli8 = function(element) {

   new Effect.Highlight(element, {from:0.1, to:1.0, duration:0.5, transition: Effect.Transitions.linear}) ;
   }
   
   var shakeing = function(element) {
new Effect.Shake(element, {
//distance:60, 
duration:0.2}); return false;

   
    }     

	function my_dragg(){

if(Object.isUndefined(Effect))
  throw("dragdrop.js requires including script.aculo.us' effects.js library");

var Droppables = {
  drops: [],

  remove: function(element) {
    this.drops = this.drops.reject(function(d) { return d.element==$(element) });
  },

  add: function(element) {
    element = $(element);
    var options = Object.extend({
      greedy:     true,
      hoverclass: null,
      tree:       false
    }, arguments[1] || { });

    // cache containers
    if(options.containment) {
      options._containers = [];
      var containment = options.containment;
      if(Object.isArray(containment)) {
        containment.each( function(c) { options._containers.push($(c)) });
      } else {
        options._containers.push($(containment));
      }
    }

    if(options.accept) options.accept = [options.accept].flatten();

    Element.makePositioned(element); // fix IE
    options.element = element;

    this.drops.push(options);
  },

  findDeepestChild: function(drops) {
    deepest = drops[0];

    for (i = 1; i < drops.length; ++i)
      if (Element.isParent(drops[i].element, deepest.element))
        deepest = drops[i];

    return deepest;
  },

  isContained: function(element, drop) {
    var containmentNode;
    if(drop.tree) {
      containmentNode = element.treeNode;
    } else {
      containmentNode = element.parentNode;
    }
    return drop._containers.detect(function(c) { return containmentNode == c });
  },

  isAffected: function(point, element, drop) {
    return (
      (drop.element!=element) &&
      ((!drop._containers) ||
        this.isContained(element, drop)) &&
      ((!drop.accept) ||
        (Element.classNames(element).detect(
          function(v) { return drop.accept.include(v) } ) )) &&
      Position.within(drop.element, point[0], point[1]) );
  },

  deactivate: function(drop) {
    if(drop.hoverclass)
      Element.removeClassName(drop.element, drop.hoverclass);
    this.last_active = null;
  },

  activate: function(drop) {
    if(drop.hoverclass)
      Element.addClassName(drop.element, drop.hoverclass);
    this.last_active = drop;
  },

  show: function(point, element) {
    if(!this.drops.length) return;
    var drop, affected = [];

    this.drops.each( function(drop) {
      if(Droppables.isAffected(point, element, drop))
        affected.push(drop);
    });

    if(affected.length>0)
      drop = Droppables.findDeepestChild(affected);

    if(this.last_active && this.last_active != drop) this.deactivate(this.last_active);
    if (drop) {
      Position.within(drop.element, point[0], point[1]);
      if(drop.onHover)
        drop.onHover(element, drop.element, Position.overlap(drop.overlap, drop.element));

      if (drop != this.last_active) Droppables.activate(drop);
    }
  },

  fire: function(event, element) {
    if(!this.last_active) return;
    Position.prepare();

    if (this.isAffected([Event.pointerX(event), Event.pointerY(event)], element, this.last_active))
      if (this.last_active.onDrop) {
        this.last_active.onDrop(element, this.last_active.element, event);
        return true;
      }
  },

  reset: function() {
    if(this.last_active)
      this.deactivate(this.last_active);
  }
};

var Draggables = {
  drags: [],
  observers: [],

  register: function(draggable) {
    if(this.drags.length == 0) {
      this.eventMouseUp   = this.endDrag.bindAsEventListener(this);
      this.eventMouseMove = this.updateDrag.bindAsEventListener(this);
      this.eventKeypress  = this.keyPress.bindAsEventListener(this);

      Event.observe(document, "mouseup", this.eventMouseUp);
      Event.observe(document, "mousemove", this.eventMouseMove);
      Event.observe(document, "keypress", this.eventKeypress);
    }
    this.drags.push(draggable);
  },

  unregister: function(draggable) {
    this.drags = this.drags.reject(function(d) { return d==draggable });
    if(this.drags.length == 0) {
      Event.stopObserving(document, "mouseup", this.eventMouseUp);
      Event.stopObserving(document, "mousemove", this.eventMouseMove);
      Event.stopObserving(document, "keypress", this.eventKeypress);
    }
  },

  activate: function(draggable) {
    if(draggable.options.delay) {
      this._timeout = setTimeout(function() {
        Draggables._timeout = null;
        window.focus();
        Draggables.activeDraggable = draggable;
      }.bind(this), draggable.options.delay);
    } else {
      window.focus(); // allows keypress events if window isn't currently focused, fails for Safari
      this.activeDraggable = draggable;
    }
  },

  deactivate: function() {
    this.activeDraggable = null;
  },

  updateDrag: function(event) {
    if(!this.activeDraggable) return;
    var pointer = [Event.pointerX(event), Event.pointerY(event)];
    // Mozilla-based browsers fire successive mousemove events with
    // the same coordinates, prevent needless redrawing (moz bug?)
    if(this._lastPointer && (this._lastPointer.inspect() == pointer.inspect())) return;
    this._lastPointer = pointer;

    this.activeDraggable.updateDrag(event, pointer);
  },

  endDrag: function(event) {
    if(this._timeout) {
      clearTimeout(this._timeout);
      this._timeout = null;
    }
    if(!this.activeDraggable) return;
    this._lastPointer = null;
    this.activeDraggable.endDrag(event);
    this.activeDraggable = null;
  },

  keyPress: function(event) {
    if(this.activeDraggable)
      this.activeDraggable.keyPress(event);
  },

  addObserver: function(observer) {
    this.observers.push(observer);
    this._cacheObserverCallbacks();
  },

  removeObserver: function(element) {  // element instead of observer fixes mem leaks
    this.observers = this.observers.reject( function(o) { return o.element==element });
    this._cacheObserverCallbacks();
  },

  notify: function(eventName, draggable, event) {  // 'onStart', 'onEnd', 'onDrag'
    if(this[eventName+'Count'] > 0)
      this.observers.each( function(o) {
        if(o[eventName]) o[eventName](eventName, draggable, event);
      });
    if(draggable.options[eventName]) draggable.options[eventName](draggable, event);
  },

  _cacheObserverCallbacks: function() {
    ['onStart','onEnd','onDrag'].each( function(eventName) {
      Draggables[eventName+'Count'] = Draggables.observers.select(
        function(o) { return o[eventName]; }
      ).length;
    });
  }
};

/*--------------------------------------------------------------------------*/

var Draggable = Class.create({
  initialize: function(element) {
    var defaults = {
      handle: false,
      reverteffect: function(element, top_offset, left_offset) {
        var dur = Math.sqrt(Math.abs(top_offset^2)+Math.abs(left_offset^2))*0.02;
        new Effect.Move(element, { x: -left_offset, y: -top_offset, duration: dur,
          queue: {scope:'_draggable', position:'end'}
        });
      },
      endeffect: function(element) {
        var toOpacity = Object.isNumber(element._opacity) ? element._opacity : 1.0;
        new Effect.Opacity(element, {duration:0.2, from:0.7, to:toOpacity,
          queue: {scope:'_draggable', position:'end'},
          afterFinish: function(){
            Draggable._dragging[element] = false
          }
        });
      },
      zindex: 1000,
      revert: false,
      quiet: false,
      scroll: false,
      scrollSensitivity: 20,
      scrollSpeed: 15,
      snap: false,  // false, or xy or [x,y] or function(x,y){ return [x,y] }
      delay: 0
    };

    if(!arguments[1] || Object.isUndefined(arguments[1].endeffect))
      Object.extend(defaults, {
        starteffect: function(element) {
          element._opacity = Element.getOpacity(element);
          Draggable._dragging[element] = true;
          new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7});
        }
      });

    var options = Object.extend(defaults, arguments[1] || { });

    this.element = $(element);

    if(options.handle && Object.isString(options.handle))
      this.handle = this.element.down('.'+options.handle, 0);

    if(!this.handle) this.handle = $(options.handle);
    if(!this.handle) this.handle = this.element;

    if(options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML) {
      options.scroll = $(options.scroll);
      this._isScrollChild = Element.childOf(this.element, options.scroll);
    }

    Element.makePositioned(this.element); // fix IE

    this.options  = options;
    this.dragging = false;

    this.eventMouseDown = this.initDrag.bindAsEventListener(this);
    Event.observe(this.handle, "mousedown", this.eventMouseDown);

    Draggables.register(this);
  },

  destroy: function() {
    Event.stopObserving(this.handle, "mousedown", this.eventMouseDown);
    Draggables.unregister(this);
  },

  currentDelta: function() {
    return([
      parseInt(Element.getStyle(this.element,'left') || '0'),
      parseInt(Element.getStyle(this.element,'top') || '0')]);
  },

  initDrag: function(event) {
    if(!Object.isUndefined(Draggable._dragging[this.element]) &&
      Draggable._dragging[this.element]) return;
    if(Event.isLeftClick(event)) {
      // abort on form elements, fixes a Firefox issue
      var src = Event.element(event);
      if((tag_name = src.tagName.toUpperCase()) && (
        tag_name=='INPUT' ||
        tag_name=='SELECT' ||
        tag_name=='OPTION' ||
        tag_name=='BUTTON' ||
        tag_name=='TEXTAREA')) return;

      var pointer = [Event.pointerX(event), Event.pointerY(event)];
      var pos     = Position.cumulativeOffset(this.element);
      this.offset = [0,1].map( function(i) { return (pointer[i] - pos[i]) });

      Draggables.activate(this);
      Event.stop(event);
    }
  },

  startDrag: function(event) {
    this.dragging = true;
    if(!this.delta)
      this.delta = this.currentDelta();

    if(this.options.zindex) {
      this.originalZ = parseInt(Element.getStyle(this.element,'z-index') || 0);
      this.element.style.zIndex = this.options.zindex;
    }

    if(this.options.ghosting) {
      this._clone = this.element.cloneNode(true);
      this._originallyAbsolute = (this.element.getStyle('position') == 'absolute');
      if (!this._originallyAbsolute)
        Position.absolutize(this.element);
      this.element.parentNode.insertBefore(this._clone, this.element);
    }

    if(this.options.scroll) {
      if (this.options.scroll == window) {
        var where = this._getWindowScroll(this.options.scroll);
        this.originalScrollLeft = where.left;
        this.originalScrollTop = where.top;
      } else {
        this.originalScrollLeft = this.options.scroll.scrollLeft;
        this.originalScrollTop = this.options.scroll.scrollTop;
      }
    }

    Draggables.notify('onStart', this, event);

    if(this.options.starteffect) this.options.starteffect(this.element);
  },

  updateDrag: function(event, pointer) {
    if(!this.dragging) this.startDrag(event);

    if(!this.options.quiet){
      Position.prepare();
      Droppables.show(pointer, this.element);
    }

    Draggables.notify('onDrag', this, event);

    this.draw(pointer);
    if(this.options.change) this.options.change(this);

    if(this.options.scroll) {
      this.stopScrolling();

      var p;
      if (this.options.scroll == window) {
        with(this._getWindowScroll(this.options.scroll)) { p = [ left, top, left+width, top+height ]; }
      } else {
        p = Position.page(this.options.scroll);
        p[0] += this.options.scroll.scrollLeft + Position.deltaX;
        p[1] += this.options.scroll.scrollTop + Position.deltaY;
        p.push(p[0]+this.options.scroll.offsetWidth);
        p.push(p[1]+this.options.scroll.offsetHeight);
      }
      var speed = [0,0];
      if(pointer[0] < (p[0]+this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[0]+this.options.scrollSensitivity);
      if(pointer[1] < (p[1]+this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[1]+this.options.scrollSensitivity);
      if(pointer[0] > (p[2]-this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[2]-this.options.scrollSensitivity);
      if(pointer[1] > (p[3]-this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[3]-this.options.scrollSensitivity);
      this.startScrolling(speed);
    }

    // fix AppleWebKit rendering
    if(Prototype.Browser.WebKit) window.scrollBy(0,0);

    Event.stop(event);
  },

  finishDrag: function(event, success) {
    this.dragging = false;

    if(this.options.quiet){
      Position.prepare();
      var pointer = [Event.pointerX(event), Event.pointerY(event)];
      Droppables.show(pointer, this.element);
    }

    if(this.options.ghosting) {
      if (!this._originallyAbsolute)
        Position.relativize(this.element);
      delete this._originallyAbsolute;
      Element.remove(this._clone);
      this._clone = null;
    }

    var dropped = false;
    if(success) {
      dropped = Droppables.fire(event, this.element);
      if (!dropped) dropped = false;
    }
    if(dropped && this.options.onDropped) this.options.onDropped(this.element);
    Draggables.notify('onEnd', this, event);

    var revert = this.options.revert;
    if(revert && Object.isFunction(revert)) revert = revert(this.element);

    var d = this.currentDelta();
    if(revert && this.options.reverteffect) {
      if (dropped == 0 || revert != 'failure')
        this.options.reverteffect(this.element,
          d[1]-this.delta[1], d[0]-this.delta[0]);
    } else {
      this.delta = d;
    }

    if(this.options.zindex)
      this.element.style.zIndex = this.originalZ;

    if(this.options.endeffect)
      this.options.endeffect(this.element);

    Draggables.deactivate(this);
    Droppables.reset();
  },

  keyPress: function(event) {
    if(event.keyCode!=Event.KEY_ESC) return;
    this.finishDrag(event, false);
    Event.stop(event);
  },

  endDrag: function(event) {
    if(!this.dragging) return;
    this.stopScrolling();
    this.finishDrag(event, true);
    Event.stop(event);
  },

  draw: function(point) {
    var pos = Position.cumulativeOffset(this.element);
    if(this.options.ghosting) {
      var r   = Position.realOffset(this.element);
      pos[0] += r[0] - Position.deltaX; pos[1] += r[1] - Position.deltaY;
    }

    var d = this.currentDelta();
    pos[0] -= d[0]; pos[1] -= d[1];

    if(this.options.scroll && (this.options.scroll != window && this._isScrollChild)) {
      pos[0] -= this.options.scroll.scrollLeft-this.originalScrollLeft;
      pos[1] -= this.options.scroll.scrollTop-this.originalScrollTop;
    }

    var p = [0,1].map(function(i){
      return (point[i]-pos[i]-this.offset[i])
    }.bind(this));

    if(this.options.snap) {
      if(Object.isFunction(this.options.snap)) {
        p = this.options.snap(p[0],p[1],this);
      } else {
      if(Object.isArray(this.options.snap)) {
        p = p.map( function(v, i) {
          return (v/this.options.snap[i]).round()*this.options.snap[i] }.bind(this));
      } else {
        p = p.map( function(v) {
          return (v/this.options.snap).round()*this.options.snap }.bind(this));
      }
    }}

    var style = this.element.style;
    if((!this.options.constraint) || (this.options.constraint=='horizontal'))
      style.left = p[0] + "px";
    if((!this.options.constraint) || (this.options.constraint=='vertical'))
      style.top  = p[1] + "px";

    if(style.visibility=="hidden") style.visibility = ""; // fix gecko rendering
  },

  stopScrolling: function() {
    if(this.scrollInterval) {
      clearInterval(this.scrollInterval);
      this.scrollInterval = null;
      Draggables._lastScrollPointer = null;
    }
  },

  startScrolling: function(speed) {
    if(!(speed[0] || speed[1])) return;
    this.scrollSpeed = [speed[0]*this.options.scrollSpeed,speed[1]*this.options.scrollSpeed];
    this.lastScrolled = new Date();
    this.scrollInterval = setInterval(this.scroll.bind(this), 10);
  },

  scroll: function() {
    var current = new Date();
    var delta = current - this.lastScrolled;
    this.lastScrolled = current;
    if(this.options.scroll == window) {
      with (this._getWindowScroll(this.options.scroll)) {
        if (this.scrollSpeed[0] || this.scrollSpeed[1]) {
          var d = delta / 1000;
          this.options.scroll.scrollTo( left + d*this.scrollSpeed[0], top + d*this.scrollSpeed[1] );
        }
      }
    } else {
      this.options.scroll.scrollLeft += this.scrollSpeed[0] * delta / 1000;
      this.options.scroll.scrollTop  += this.scrollSpeed[1] * delta / 1000;
    }

    Position.prepare();
    Droppables.show(Draggables._lastPointer, this.element);
    Draggables.notify('onDrag', this);
    if (this._isScrollChild) {
      Draggables._lastScrollPointer = Draggables._lastScrollPointer || $A(Draggables._lastPointer);
      Draggables._lastScrollPointer[0] += this.scrollSpeed[0] * delta / 1000;
      Draggables._lastScrollPointer[1] += this.scrollSpeed[1] * delta / 1000;
      if (Draggables._lastScrollPointer[0] < 0)
        Draggables._lastScrollPointer[0] = 0;
      if (Draggables._lastScrollPointer[1] < 0)
        Draggables._lastScrollPointer[1] = 0;
      this.draw(Draggables._lastScrollPointer);
    }

    if(this.options.change) this.options.change(this);
  },

  _getWindowScroll: function(w) {
    var T, L, W, H;
    with (w.document) {
      if (w.document.documentElement && documentElement.scrollTop) {
        T = documentElement.scrollTop;
        L = documentElement.scrollLeft;
      } else if (w.document.body) {
        T = body.scrollTop;
        L = body.scrollLeft;
      }
      if (w.innerWidth) {
        W = w.innerWidth;
        H = w.innerHeight;
      } else if (w.document.documentElement && documentElement.clientWidth) {
        W = documentElement.clientWidth;
        H = documentElement.clientHeight;
      } else {
        W = body.offsetWidth;
        H = body.offsetHeight;
      }
    }
    return { top: T, left: L, width: W, height: H };
  }
});

Draggable._dragging = { };

/*--------------------------------------------------------------------------*/

var SortableObserver = Class.create({
  initialize: function(element, observer) {
    this.element   = $(element);
    this.observer  = observer;
    this.lastValue = Sortable.serialize(this.element);
  },

  onStart: function() {
    this.lastValue = Sortable.serialize(this.element);
  },

  onEnd: function() {
    Sortable.unmark();
    if(this.lastValue != Sortable.serialize(this.element))
      this.observer(this.element)
  }
});

var Sortable = {
  SERIALIZE_RULE: /^[^_\-](?:[A-Za-z0-9\-\_]*)[_](.*)$/,

  sortables: { },

  _findRootElement: function(element) {
    while (element.tagName.toUpperCase() != "BODY") {
      if(element.id && Sortable.sortables[element.id]) return element;
      element = element.parentNode;
    }
  },

  options: function(element) {
    element = Sortable._findRootElement($(element));
    if(!element) return;
    return Sortable.sortables[element.id];
  },

  destroy: function(element){
    element = $(element);
    var s = Sortable.sortables[element.id];

    if(s) {
      Draggables.removeObserver(s.element);
      s.droppables.each(function(d){ Droppables.remove(d) });
      s.draggables.invoke('destroy');

      delete Sortable.sortables[s.element.id];
    }
  },

  create: function(element) {
    element = $(element);
    var options = Object.extend({
      element:     element,
      tag:         'li',       // assumes li children, override with tag: 'tagname'
      dropOnEmpty: false,
      tree:        false,
      treeTag:     'ul',
      overlap:     'vertical', // one of 'vertical', 'horizontal'
      constraint:  'vertical', // one of 'vertical', 'horizontal', false
      containment: element,    // also takes array of elements (or id's); or false
      handle:      false,      // or a CSS class
      only:        false,
      delay:       0,
      hoverclass:  null,
      ghosting:    false,
      quiet:       false,
      scroll:      false,
      scrollSensitivity: 20,
      scrollSpeed: 15,
      format:      this.SERIALIZE_RULE,

      // these take arrays of elements or ids and can be
      // used for better initialization performance
      elements:    false,
      handles:     false,

      onChange:    Prototype.emptyFunction,
      onUpdate:    Prototype.emptyFunction
    }, arguments[1] || { });

    // clear any old sortable with same element
    this.destroy(element);

    // build options for the draggables
    var options_for_draggable = {
      revert:      true,
      quiet:       options.quiet,
      scroll:      options.scroll,
      scrollSpeed: options.scrollSpeed,
      scrollSensitivity: options.scrollSensitivity,
      delay:       options.delay,
      ghosting:    options.ghosting,
      constraint:  options.constraint,
      handle:      options.handle };

    if(options.starteffect)
      options_for_draggable.starteffect = options.starteffect;

    if(options.reverteffect)
      options_for_draggable.reverteffect = options.reverteffect;
    else
      if(options.ghosting) options_for_draggable.reverteffect = function(element) {
        element.style.top  = 0;
        element.style.left = 0;
      };

    if(options.endeffect)
      options_for_draggable.endeffect = options.endeffect;

    if(options.zindex)
      options_for_draggable.zindex = options.zindex;

    // build options for the droppables
    var options_for_droppable = {
      overlap:     options.overlap,
      containment: options.containment,
      tree:        options.tree,
      hoverclass:  options.hoverclass,
      onHover:     Sortable.onHover
    };

    var options_for_tree = {
      onHover:      Sortable.onEmptyHover,
      overlap:      options.overlap,
      containment:  options.containment,
      hoverclass:   options.hoverclass
    };

    // fix for gecko engine
    Element.cleanWhitespace(element);

    options.draggables = [];
    options.droppables = [];

    // drop on empty handling
    if(options.dropOnEmpty || options.tree) {
      Droppables.add(element, options_for_tree);
      options.droppables.push(element);
    }

    (options.elements || this.findElements(element, options) || []).each( function(e,i) {
      var handle = options.handles ? $(options.handles[i]) :
        (options.handle ? $(e).select('.' + options.handle)[0] : e);
      options.draggables.push(
        new Draggable(e, Object.extend(options_for_draggable, { handle: handle })));
      Droppables.add(e, options_for_droppable);
      if(options.tree) e.treeNode = element;
      options.droppables.push(e);
    });

    if(options.tree) {
      (Sortable.findTreeElements(element, options) || []).each( function(e) {
        Droppables.add(e, options_for_tree);
        e.treeNode = element;
        options.droppables.push(e);
      });
    }

    // keep reference
    this.sortables[element.id] = options;

    // for onupdate
    Draggables.addObserver(new SortableObserver(element, options.onUpdate));

  },

  // return all suitable-for-sortable elements in a guaranteed order
  findElements: function(element, options) {
    return Element.findChildren(
      element, options.only, options.tree ? true : false, options.tag);
  },

  findTreeElements: function(element, options) {
    return Element.findChildren(
      element, options.only, options.tree ? true : false, options.treeTag);
  },

  onHover: function(element, dropon, overlap) {
    if(Element.isParent(dropon, element)) return;

    if(overlap > .33 && overlap < .66 && Sortable.options(dropon).tree) {
      return;
    } else if(overlap>0.5) {
      Sortable.mark(dropon, 'before');
      if(dropon.previousSibling != element) {
        var oldParentNode = element.parentNode;
        element.style.visibility = "hidden"; // fix gecko rendering
        dropon.parentNode.insertBefore(element, dropon);
        if(dropon.parentNode!=oldParentNode)
          Sortable.options(oldParentNode).onChange(element);
        Sortable.options(dropon.parentNode).onChange(element);
      }
    } else {
      Sortable.mark(dropon, 'after');
      var nextElement = dropon.nextSibling || null;
      if(nextElement != element) {
        var oldParentNode = element.parentNode;
        element.style.visibility = "hidden"; // fix gecko rendering
        dropon.parentNode.insertBefore(element, nextElement);
        if(dropon.parentNode!=oldParentNode)
          Sortable.options(oldParentNode).onChange(element);
        Sortable.options(dropon.parentNode).onChange(element);
      }
    }
  },

  onEmptyHover: function(element, dropon, overlap) {
    var oldParentNode = element.parentNode;
    var droponOptions = Sortable.options(dropon);

    if(!Element.isParent(dropon, element)) {
      var index;

      var children = Sortable.findElements(dropon, {tag: droponOptions.tag, only: droponOptions.only});
      var child = null;

      if(children) {
        var offset = Element.offsetSize(dropon, droponOptions.overlap) * (1.0 - overlap);

        for (index = 0; index < children.length; index += 1) {
          if (offset - Element.offsetSize (children[index], droponOptions.overlap) >= 0) {
            offset -= Element.offsetSize (children[index], droponOptions.overlap);
          } else if (offset - (Element.offsetSize (children[index], droponOptions.overlap) / 2) >= 0) {
            child = index + 1 < children.length ? children[index + 1] : null;
            break;
          } else {
            child = children[index];
            break;
          }
        }
      }

      dropon.insertBefore(element, child);

      Sortable.options(oldParentNode).onChange(element);
      droponOptions.onChange(element);
    }
  },

  unmark: function() {
    if(Sortable._marker) Sortable._marker.hide();
  },

  mark: function(dropon, position) {
    // mark on ghosting only
    var sortable = Sortable.options(dropon.parentNode);
    if(sortable && !sortable.ghosting) return;

    if(!Sortable._marker) {
      Sortable._marker =
        ($('dropmarker') || Element.extend(document.createElement('DIV'))).
          hide().addClassName('dropmarker').setStyle({position:'absolute'});
      document.getElementsByTagName("body").item(0).appendChild(Sortable._marker);
    }
    var offsets = Position.cumulativeOffset(dropon);
    Sortable._marker.setStyle({left: offsets[0]+'px', top: offsets[1] + 'px'});

    if(position=='after')
      if(sortable.overlap == 'horizontal')
        Sortable._marker.setStyle({left: (offsets[0]+dropon.clientWidth) + 'px'});
      else
        Sortable._marker.setStyle({top: (offsets[1]+dropon.clientHeight) + 'px'});

    Sortable._marker.show();
  },

  _tree: function(element, options, parent) {
    var children = Sortable.findElements(element, options) || [];

    for (var i = 0; i < children.length; ++i) {
      var match = children[i].id.match(options.format);

      if (!match) continue;

      var child = {
        id: encodeURIComponent(match ? match[1] : null),
        element: element,
        parent: parent,
        children: [],
        position: parent.children.length,
        container: $(children[i]).down(options.treeTag)
      };

      /* Get the element containing the children and recurse over it */
      if (child.container)
        this._tree(child.container, options, child);

      parent.children.push (child);
    }

    return parent;
  },

  tree: function(element) {
    element = $(element);
    var sortableOptions = this.options(element);
    var options = Object.extend({
      tag: sortableOptions.tag,
      treeTag: sortableOptions.treeTag,
      only: sortableOptions.only,
      name: element.id,
      format: sortableOptions.format
    }, arguments[1] || { });

    var root = {
      id: null,
      parent: null,
      children: [],
      container: element,
      position: 0
    };

    return Sortable._tree(element, options, root);
  },

  /* Construct a [i] index for a particular node */
  _constructIndex: function(node) {
    var index = '';
    do {
      if (node.id) index = '[' + node.position + ']' + index;
    } while ((node = node.parent) != null);
    return index;
  },

  sequence: function(element) {
    element = $(element);
    var options = Object.extend(this.options(element), arguments[1] || { });

    return $(this.findElements(element, options) || []).map( function(item) {
      return item.id.match(options.format) ? item.id.match(options.format)[1] : '';
    });
  },

  setSequence: function(element, new_sequence) {
    element = $(element);
    var options = Object.extend(this.options(element), arguments[2] || { });

    var nodeMap = { };
    this.findElements(element, options).each( function(n) {
        if (n.id.match(options.format))
            nodeMap[n.id.match(options.format)[1]] = [n, n.parentNode];
        n.parentNode.removeChild(n);
    });

    new_sequence.each(function(ident) {
      var n = nodeMap[ident];
      if (n) {
        n[1].appendChild(n[0]);
        delete nodeMap[ident];
      }
    });
  },

  serialize: function(element) {
    element = $(element);
    var options = Object.extend(Sortable.options(element), arguments[1] || { });
    var name = encodeURIComponent(
      (arguments[1] && arguments[1].name) ? arguments[1].name : element.id);

    if (options.tree) {
      return Sortable.tree(element, arguments[1]).children.map( function (item) {
        return [name + Sortable._constructIndex(item) + "[id]=" +
                encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));
      }).flatten().join('&');
    } else {
      return Sortable.sequence(element, arguments[1]).map( function(item) {
        return name + "[]=" + encodeURIComponent(item);
      }).join('&');
    }
  }
};

// Returns true if child is contained within element
Element.isParent = function(child, element) {
  if (!child.parentNode || child == element) return false;
  if (child.parentNode == element) return true;
  return Element.isParent(child.parentNode, element);
};

Element.findChildren = function(element, only, recursive, tagName) {
  if(!element.hasChildNodes()) return null;
  tagName = tagName.toUpperCase();
  if(only) only = [only].flatten();
  var elements = [];
  $A(element.childNodes).each( function(e) {
    if(e.tagName && e.tagName.toUpperCase()==tagName &&
      (!only || (Element.classNames(e).detect(function(v) { return only.include(v) }))))
        elements.push(e);
    if(recursive) {
      var grandchildren = Element.findChildren(e, only, recursive, tagName);
      if(grandchildren) elements.push(grandchildren);
    }
  });

  return (elements.length>0 ? elements.flatten() : []);
};

Element.offsetSize = function (element, type) {
  return element['offset' + ((type=='vertical' || type=='height') ? 'Height' : 'Width')];
};
		
	var divs = $$('td.stg');
	var spans = $$('span.box1');


	for (var j = 0; j < divs.length; ++j){
		new Draggable(divs[j], {revert:true, starteffect:myStartEffect});
	}
		
	for (var ja = 0; ja < spans.length; ++ja){				
		Droppables.add(spans[ja], {accept:'stg',
								   hoverclass:'box2',
								   onDrop:function(element, dropon, event){dropon.firstChild.nodeValue = element.firstChild.nodeValue}});

	}	
	
}

function handl(){
hantei_yes();
      var span_k = $$('span.kait');
      var span_a = $$('span.box1');
 
          var ans1 = [];
          var ans2 = [];
          var ans1_s = [];
          var maru = 0;
          var bat = 0;

	  for (var n = 0; n < span_a.length; n++)      
          {
        
         ans1[n] = span_a[n].firstChild.nodeValue ;                    
         ans2[n] = span_k[n].firstChild.nodeValue ;
                    
         ans1_s[n] = ans1[n].match( /[^\s.-]+/   ) ;

        if(ans1_s[n] == ans2[n]){
        maru = maru + 1;

         }
        else{
			   var myStartEffect12 = function(element) {
			   new Effect.Pulsate(element, {duration:2.0, transition: Effect.Transitions.linear});
			   }        	
        span_a[n].firstChild.nodeValue ='×' +ans1_s[n] ;
        myStartEffect12(span_a[n]);        

        $('seikai').innerHTML = "<div style='color:red;font-size:16px;'>間違いがあります</div>";
        $('coment').innerHTML = "（>_<）";
        myStartEffect3('seikai');
        shakeing('coment');
        bat++;
$("dai_basyo").style.backgroundColor = "#ffe";
$("ranp").style.backgroundColor = "#ffe";        	
$("bbb").style.backgroundColor = "#666";
$("mytable").style.backgroundColor = "#666";
$("seikai").style.backgroundColor = "#ffe";

         } 
      
         }

		       if( maru == ans1_s.length ){
		       $('seikai').innerHTML = "<div style='color:#ff1493;font-size:16px;'>全問正解です</div>";
		       $('coment').innerHTML = "<div style='color:#ff1493;font-size:16px;'>おめでとうございます　m(^▽^)ノ</div>";
		       myStartEffect3('seikai');
		       myStartEffect4('coment');
$("dai_basyo").style.backgroundColor = "#ffe";
$("ranp").style.backgroundColor = "#ffe";
$("bbb").style.backgroundColor = "yellow";
$("mytable").style.backgroundColor = "yellow";
			       if(bat == 0){
			       		if(typeof pt_get_kaku =='undefined'){
			       		pt_get_kaku = 1;
			       					   point_hyuzi();
			   $('seikai').innerHTML = "<div style='color:#ff0000;font-size:16px;'>全問正解です　一発正解ポイントは"+seikaisuu+"ptです</div>";
		       $('coment').innerHTML = "<div style='color:#ff1493;font-size:16px;'>おめでとうございます　m(^▽^)ノ</div>";
		       myStartEffect3('seikai');
		       myStartEffect4('coment');
$("bbb").style.backgroundColor = "yellow";
$("mytable").style.backgroundColor = "yellow";	
			       		}else{
			       		pt_get_kaku++;
			       		}
//			       	alert("pt_get_kaku="+pt_get_kaku);           	

			    }

		  }
      
      }

		       	function point_hyuzi(){
//kigen = new Date();
//kigen.setTime(kigen.getTime()+(7*1000*60*60*24));
//kigen2 = kigen.toGMTString();
	hensu = document.cookie;
	ck_hazime = hensu.indexOf("ck",0);
//	alert("ck_hazime ="+ck_hazime);
		       				if(ck_hazime == -1){
		       				seikaisuu = 1;
							document.cookie = "ck =1";
							$('point_sp').innerHTML = 1;
							}
							else{
							dokomadeka = hensu.indexOf(";",ck_hazime);
								if(dokomadeka == -1){
								seikaisuu = hensu.slice(ck_hazime+3,hensu.length);
								}else{
								seikaisuu = hensu.slice(ck_hazime+3,dokomadeka);
							 	}
							seikaisuu++;	
							document.cookie = "ck ="+seikaisuu;	
							$('point_sp').innerHTML = seikaisuu;	  	
					//		alert("seikaisuu ="+seikaisuu);     
						}     
//	alert(document.cookie);
					}

	function cookie_cnt_ireru(ele){
	
	hensu = document.cookie;
	xx_hazime = hensu.indexOf("xx",0);
//	alert(hensu);
		if(xx_hazime == -1){
			 	if(ele != 1){
				cnt = 1; 	
		 	 	}else{
		 	 	cnt = 2;
		 	 	}
		document.cookie = "xx="+cnt;
		}

		else{
			dokomadeka = hensu.indexOf(";",xx_hazime);
				
			if(dokomadeka == -1){
//			cnt = hensu.slice(xx_hazime+3,hensu.length);
			cnt = hensu.slice(xx_hazime+3,hensu.length);				
			}else{
			cnt = hensu.slice(xx_hazime+3,dokomadeka);
	 		}
	 	if(ele == 1){
				cnt++; 	
	 	}	
			document.cookie = "xx="+cnt;
		}
//alert(cnt);
}

function cooke_toridasi(ele){
	hensu = document.cookie;
	hazime = hensu.indexOf(ele,0);

	if(hazime == -1){
				chal_cnt = 1; 	
		 	 	}else{

			dokomadeka = hensu.indexOf(";",hazime);
				
			if(dokomadeka == -1){
//			chal_cnt = hensu.slice(hazime+3,hensu.length);
			chal_cnt = hensu.slice(hazime+3,hensu.length);				
			}else{
			chal_cnt = hensu.slice(hazime+3,dokomadeka);
	 		}
		}
//		alert(chal_cnt);
}


function hantei_yes(){

$("hantei_f").innerHTML = 1;
}

function shuffle(arr){
var N = new Array;
    for (i=0; i < arr.length; i++)
      N[i] = new Array(Math.floor(Math.random() * arr.length*100),arr[i]);
N.sort();
    for (i = 0; i < N.length; i++) 
      arr[i]=N[i][1];
}


timerID = 0;
var mystr = "";
var mystart = 0;
moji = ["穴埋め道場","音楽道場","絵画道場","駆け込み道場","語呂合わせ道場"];
mojimoji = ["abcdefghijklmn","oopqrstuvwxyz","abcdefghijklmn","oopqrstuvwxyz"];
function tipe(mojino){

//$("syasin_place").innerHTML = '<img src="mitoubashi.JPG" alt="奥多摩　三頭橋" width="320" height="170" />';
	mystr = mojino.substr(0,1+mystart);
	switch(mystr){
			case "": clearInterval(timerID);
			default: document.getElementById("daimei_box").innerHTML = mystr;
				}
	mystart++;
				}

				
function goro(){
mojimoji = ["しょうきょくきょいく","す","るぞー"];	
	for (i = 0; i < mojimoji.length; i++){
		if(i%2==0){
$("g"+i).innerHTML = mojimoji[i];
myStartEffect9("g"+i);		
		}else{
$("g"+i).innerHTML = mojimoji[i];
myStartEffect3("g"+i);
			
		}		
	
	
	}
				}
				
var myStartEffect9 = function(element) {				
new Effect.Grow(element);
   }

var cha_write = function() {
param = location.search;
param =	unescape(param);
awase2 = param.substr(1,(param.length - 1));
hantei_flg = awase2.substr(awase2.length-1,1);
//alert("hantei_flg="+hantei_flg);
		if(hantei_flg == 1){
		chal_cnt();	
		}	
}

var cnt_parm_get = function() {
param = location.search;
param =	unescape(param);
awase2 = param.substr(1,(param.length - 1));
chall_cnt = awase2.substr(awase2.length-1,1);
//alert("chall_cnt ="+chall_cnt);
}

function cookie_jouhou_get(elem){
	if(document.cookie != ""){       		
	hensu = document.cookie;
	hazime = hensu.indexOf(elem,0);
		       				if(hazime == -1){
		       				cnt = 0;
							}
							else{
							dokomadeka = hensu.indexOf(";",hazime);
								if(dokomadeka == -1){
								cnt = hensu.slice(hazime+3,hensu.length);
								}else{
								cnt = hensu.slice(hazime+3,dokomadeka);
							 	}
    
						  }     
	}else{
	cnt = 0;
	}	
//		  	alert(elem+"+cnt ="+cnt);
}