Array.prototype.remove=function(dx)
  {

    if(isNaN(dx)){return false;}
    for(var i=0,n=0;i<this.length;i++)
    {
        if(this[i]!=dx)
        {
            this[n++]=this[i]
        }
    }
    this.length-=1
  }

 var have_select_test_value =new Array();  
function set_test_state(but,value)
{
   
   if(but.value=='[+]试题篮')
   {
    
      if(have_select_test_value.length >=40)
      {
          alert("试题篮最多40道试题。你可以生成试卷后，继续添加试题到试题篮。");
          return;
      } 
     
      but.value='[-]试题篮';
      have_select_test_value.push(value);
       but.style.color ='red'; 
      but.parentNode.parentNode.parentNode.style.background="#D8DFEA";
     
   }
   else
   {
       
       but.value='[+]试题篮';
       have_select_test_value.remove(value);  
       but.style.color ='black';
       but.parentNode.parentNode.parentNode.style.background="white";
        
   };
  

 retObj.save();
}    
    

function DelHtml(Word){

a = Word.indexOf("<");
b = Word.indexOf(">");
len = Word.length;
c = Word.substring(0, a);
if(b == -1)
   b = a;
d = Word.substring((b + 1), len);
Word = c + d;
tagCheck = Word.indexOf("<");
if(tagCheck != -1)
  Word = DelHtml(Word);

Word = Word.replace(/[ ]/g,"");
Word = Word.replace(/(^s*)|(s*$)/g, "");
Word=Word.replace(/^\s+|\s+$/g,"");
return Word;
} 

function get_daan(but,id)
{
  var daan = $(id);
  pos = id.indexOf("-");
  detailid= id.substring(pos+1, id.length);


  if(daan.style.display=="none")
  {
     

      daanvalue = DelHtml(daan.innerHTML);


     if(daanvalue=='' || daanvalue.length==0 || daanvalue == "网络繁忙" )
     {
        
         var successdaan = function(t)
        { 
          
            html = t.responseText; 
            pos = html.indexOf("1、");
            
            if(pos)
            {
               html= html.substring(0, pos) +html.substring(pos+2, html.length);
   
               
            }
    
            daan.innerHTML= html;
   
        }
        var failuredaan = function(t)
       {
            daan.innerHTML="网络繁忙";
        }
        
        var url  = "/answerdetail/"+detailid+"/";
	       
    
	      var myAjax = new Ajax.Request(url, {method:'post', postBody:"", onSuccess:successdaan, onFailure:failuredaan});
    }
    
     daan.style.display="";
     but.value = "答案 <<"

      
  }
  else
  {
    daan.style.display="none";
     but.value = "答案 >>";
  }

 return false;

  
};

function make_paper()
{    
    
	window.scrollTo(0,0);
    cry();
	window.setTimeout( "make_paperajax();", 100);
  
	
}

function make_paperajax()
{

	var successpaper = function(t)
   { 
    html = t.responseText; 
     if(html=="1")
    {
       alert("为保证其他用户组卷速度，一天只能下载8张试卷，欢迎你明天再来。cooco。因你而专业!!!");
       return 
    }
    
    if(html=="0")
    {
       alert("生成文件失败，请联系管理员");
       return;
    }
    
    else
    {
     $('showtiptext').innerHTML= pp = "<a href='"+html+"'style='color:red;font-size:16px;' title='提示' target='_blank'>点击下载生成的试卷</a>";;
    };
     $('showtip').style.display=""; 
    }
    var failurepaper = function(t)
    {
       alert("网络繁忙请稍候再试!!");
       $('showtip').style.display="";
    }
	var url  = '/updownpaper/'+paper_id+"/";
	
	var myAjax = new Ajax.Request(url, {method:'post', postBody:"", onSuccess:successpaper, onFailure:failurepaper});

}


var showpage =1;
var currentlessonid = 0;
var currentdifficult = 0;
var currenttype = 0;
var currentorderby = 1;
function getpage(page)
{    
    showpage = page;

	window.scrollTo(0,0);

    $(document.body).startWaiting('bigBlackWaiting');
    getajaxpage();
	
  
	
}

function getajaxpage()
{

    var msg = $('testlist');
	
	var success = function(t){  window.setTimeout( document.body.stopWaiting.bind(document.body), 10);  msg.innerHTML = t.responseText;  page_load();  msg.scrollIntoView(); initialize(); }
    var failure = function(t){ window.setTimeout(document.body.stopWaiting.bind( document.body), 10);}
	
	var url  = '/testpage/'+showpage+'/';
    
	var params = 'lessonid=' + encodeURIComponent(currentlessonid)+ '&difficult=' + encodeURIComponent(currentdifficult)+ '&type=' + encodeURIComponent(currenttype)+ '&orderby=' + encodeURIComponent(currentorderby);
	var myAjax = new Ajax.Request(url, {method:'post', postBody:params, onSuccess:success, onFailure:failure});



}


function getpaperpage(page)
{    
    showpage = page;

	window.scrollTo(0,0);

    $(document.body).startWaiting('bigBlackWaiting');
	window.setTimeout( "getpaperajaxpage();", 1000);
  
	
}

function getpaperajaxpage()
{

    var msg = $('testlist');
	
	var success = function(t){  window.setTimeout( document.body.stopWaiting.bind(document.body), 10);  msg.innerHTML = t.responseText;  page_load();  msg.scrollIntoView(); }
    var failure = function(t){ window.setTimeout(document.body.stopWaiting.bind( document.body), 10);}
	
	var url  = '/paperpage/'+paper_id+'/'+showpage+'/';

	var params = 'lessonid=' + encodeURIComponent(currentlessonid)+ '&difficult=' + encodeURIComponent(currentdifficult)+ '&type=' + encodeURIComponent(currenttype);
	var myAjax = new Ajax.Request(url, {method:'post', postBody:params, onSuccess:success, onFailure:failure});



}






function setCookie(name,value,expires){ 
    var x=name+"="+escape(value); 
    if(expires){ 
      var d=new Date(); 
      d.setTime(d.getTime()+expires*24*3600*10*10); 
      x+="; Expires="+d.toGMTString(); 
      } 
       x+="; path="+escape("/"); 
    document.cookie=x;
    } 
    
    
  function getCookie(name){ 
    var a=document.cookie.split("; "); 
    name+="="; 
    for(var i=0;i<a.length;i++) 
      if(a[i].indexOf(name)==0) 
        return unescape(a[i].substr(name.length)); 
    return ""; 
    };
 
var retObj={
         save:function(){
        setCookie(lesson_type_testname+"test",
        "",7*24*10);
 
      setCookie(lesson_type_testname+"test",
        have_select_test_value.join(','),1);
      },
    
    load:function()
    {
      var a=getCookie(lesson_type_testname+"test");
      
      retObj.setup(a?a.split(','):null);
    },
    
    setup:function(a){
      have_select_test_value =new Array();  
    if(!a) return;
    for(var i=0;i<a.length;i++)
    {
        buttonfind = "test-"+a[i];
        if($(buttonfind))
        {

           $(buttonfind).value='[-]试题篮';
           $(buttonfind).style.color ='red';
           $(buttonfind).parentNode.parentNode.parentNode.style.background="#D8DFEA";
           
        }
        have_select_test_value.push(a[i]);
      }
     
    }
};


function page_load()
{
   retObj.load();
  
}

YAHOO.util.Event.onDOMReady(page_load);


if(!document.all){
				window.constructor.prototype.__defineGetter__("event",function(){
					var func = arguments.callee.caller;
					while(func != null){
						var arg0 = func.arguments[0];
						if(arg0 && (arg0.constructor==Event || arg0.constructor ==MouseEvent)){
							return arg0;
						}
						func = func.caller;
					}
					return null;
				});
			} 

		
			function cry(){
				test("正在生成word试卷请稍候...");
				listen();
			}
			var obj ="";
			var listen =function(){
				document.getElementById("tips").onmousedown = function()
				{
					obj = document.getElementById("tips");
					oMove(obj.parentNode.parentNode);
				}
			}
	


		  var	test = function(txt)
			{
				var shield = document.createElement("DIV");
				shield.id = "shield";
				shield.style.position = "absolute";
				shield.style.left = "0px";
				shield.style.top = "0px";
				shield.style.width = "100%";
				shield.style.height = "3500px";
			
				shield.style.background = "#000";
				shield.style.textAlign = "center";
				shield.style.zIndex = "10000";
				shield.style.filter = "alpha(opacity=0)";
				var alertFram = document.createElement("DIV");
				alertFram.id="alertFram";
				alertFram.style.position = "absolute";
				
				alertFram.style.right = "50%";
				alertFram.style.bottom = "50%";
				alertFram.style.marginRight = "-125px";
				alertFram.style.marginBottom = "-75px";

				alertFram.style.width = "250px";
				alertFram.style.height = "150px";
				alertFram.style.background = "#000";
				alertFram.style.textAlign = "center";
				alertFram.style.lineHeight = "150px";
				alertFram.style.zIndex = "10002";
				strHtml = "<ul style=\" list-style:none;margin:0px;padding:0px;width:100%\">\n";
					strHtml += "<li id='tips' title=\"移動\" style=\"cursor:move;background:#002F9C;text-align:left;padding-left:5px;font-size:12px;color: red;height:25px;line-height:25px;border-left:1px solid #FFFFFF;border-top:1px solid #FFFFFF;border-right:1px solid #FFFFFF;\">请稍等大约需要20秒左右时间</li>\n";
					strHtml += "<li style=\"background:#5A7EDC;text-align:center;font-size:12px;color: #FFFFFF;height:120px;line-height:120px;border-left:1px solid #FFFFFF;border-right:1px solid #FFFFFF;\"><div id=\"showtiptext\">"+txt+"</div></li>\n";
					strHtml += "<li style=\"background:#002F9C;text-align:center;font-weight:bold;height:25px;line-height:25px; border-left:1px solid #FFFFFF;border-bottom:1px solid #FFFFFF;border-right:1px solid #FFFFFF;\"><input id = \"showtip\" type=button value=' 关闭 'style=\"display:none\" onclick=\"removealertform();\"></li>\n";
					strHtml += "</ul>\n";
				alertFram.innerHTML = strHtml;
				document.body.appendChild(alertFram);
				document.body.appendChild(shield);

				var c = 0;
				this.doAlpha = function(){
				if (c++ > 50){clearInterval(ad);return 0;}
				shield.style.filter = "alpha(opacity="+c+");";
				}
				this.removealertform=function(){
				alertFram.innerHTML="";
				shield.style.filter = "";
				shield.id = "";
				shield.style.position = "";
				shield.style.left = "";
				shield.style.top = "";
				shield.style.width = "";
				shield.style.height ="";
				shield.style.background = "";
				shield.style.textAlign = "";
				shield.style.zIndex = "";
				shield.style.filter = "";
				alertFram.id="";
				alertFram.style.position = "";
				alertFram.style.left = "";
				alertFram.style.top = "";
				alertFram.style.marginLeft = "";
				alertFram.style.marginTop = "";
				alertFram.style.width = "";
				alertFram.style.height = "";
				alertFram.style.background = "";
				alertFram.style.textAlign = "";
				alertFram.style.lineHeight = "";
				alertFram.style.zIndex = "";
				}
				var ad = setInterval("doAlpha()",10);
				alertFram.focus();
				document.body.onselectstart = function(){return false;};
				}


				function oMove(obj){
				var otop,oleft;
				var mX,mY;
				mX = event.x ? event.x : event.pageX;
				mY = event.y ? event.y : event.pageY;
				if(!event.x){	
				otop = event.pageY - obj.offsetTop;
				oleft = event.pageX - obj.offsetLeft;
				}
				else{
				otop = event.y - obj.offsetTop;
				oleft = event.x- obj.offsetLeft;

				}
				var move = function()
				{
				if(!event.y)
				{
				obj.style.left = event.pageX - oleft;
				obj.style.top = event.pageY - otop;
				}
				else{
				obj.style.left = event.x - oleft;
				obj.style.top = event.y- otop;
				}
				}
				var up= function()
				{
				obj.onmousedown= null;
				obj.onmousemove = null;
				obj.style.filter = null;
				if(!obj.addEventListener)
				{
			
				obj.detachEvent("onmousemove",move);
				obj.detachEvent("onmouseup",up);
				}
				else{
				obj.removeEventListener('mousemove',move,false);	
				obj.removeEventListener('mouseup',up,false);	
				}
				}
				if(obj.addEventListener){ 
				obj.addEventListener("mousemove",move,false);
				obj.addEventListener("mouseup",up,false);
				} else {  
				obj.attachEvent("onmousemove",move);
				obj.attachEvent("onmouseup",up);
				}

				}