/*
	iframe高度自适应的通用代码
*/
var getFFVersion=navigator.userAgent.substring(navigator.userAgent.indexOf("Firefox")).split("/")[1]
　　//extra height in px to add to iframe in FireFox 1.0+ browsers
var FFextraHeight=getFFVersion>=0.1? 16 : 0 
　　function IframeHeight(iframename) {
　　 var pTar = null;
　　 if (document.getElementById){
　　 pTar = document.getElementById(iframename);
　　 }
　　 else{
　　 eval('pTar = ' + iframename + ';');
　　 }
　　 if (pTar && !window.opera){
　　 //begin resizing iframe
　　 pTar.style.display="block"
　　 
　　 if (pTar.contentDocument && pTar.contentDocument.body.offsetHeight){
　　 //ns6 syntax
　　 pTar.height = pTar.contentDocument.body.offsetHeight+FFextraHeight + 3;//针对ie7 8 firefox来计算iframe的高度，因为ie计算高度的时候没有算border的高度，所以，应该+上border的高度
　　 }
　　 else if (pTar.Document && pTar.Document.body.scrollHeight){
　　 //ie5+ syntax
pTar.onchange
　　 pTar.height = pTar.Document.body.scrollHeight;
　　 }
　　 }
　　}

/*控制菜单高亮的代码*/
function change_option(number,index){
 for (var i = 1; i <= number; i++) {
      document.getElementById('current' + i).className = '';
 }
  document.getElementById('current' + index).className = 'current';
}



/*tab鼠标经过变色控制代码*/
function suckerfish(type, tag, parentId) {
	if (window.attachEvent) {
		window.attachEvent("onload", function() {
			var sfEls = (parentId==null)?document.getElementsByTagName(tag):document.getElementById(parentId).getElementsByTagName(tag);
			type(sfEls);
		});
	}
}
sfHover = function(sfEls) {
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" selectItme";
			//this.style.height = 100;
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" selectItme\\b"), "");
			//this.style.height = 30;
		}
	}
}
sfActive = function(sfEls) {
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmousedown=function() {
			this.className+=" selectItme";
			//this.style.height = 100;
		}
		sfEls[i].onmouseup=function() {
			this.className=this.className.replace(new RegExp(" selectItme\\b"), "");
		}
	}
}
suckerfish(sfHover, "table");


/*鼠标经过一条班级信息时，弹出tips，显示详细信息
  
   
 if(!document.attachEvent)  
 {  
     document.attachEvent = function(){document.addEventListener(arguments[0].substr(2),arguments[1],arguments[2])}  
 }  
   
 document.attachEvent("onmouseover",function(e)  
 {  
     var tip = "";  
   
     if(typeof(event)=="undefined"){  
         tip = e.target.getAttribute("tips")  
     }else{  
         e    = event;  
         tip = e.srcElement.tips;  
     }  
   
       
     if(typeof(tip)!="undefined"&&tip.length>0)  
     {  
         var _tips = document.getElementById("myTip");  
           
         if(typeof(_tips)=="undefined"||_tips == null)  
         {  
             _tips        = document.createElement("div");  
             _tips.id    = "myTip";  
             _tips.style.position        = "absolute";  
             _tips.style.width            = "200px";  
             _tips.style.borderWidth        = "1px";  
             _tips.style.borderStyle        = "solid";  
             _tips.style.borderColor        = "#a2c0ea";  
             _tips.style.fontSize        = "9pt";  
             _tips.style.backgroundColor    = "ffffff";  
             _tips.style.color            = "#0b3b68"; 
			 _tips.style.textAlign = "left";
			 _tips.style.lineHeight = "2";
             _tips.style.filter            = "progid:DXImageTransform.Microsoft.Shadow(color=999999,direction=135,strength=3)";  
             _tips.style.padding            = "5px 8px 3px 8px";  
               
   
             document.body.appendChild(_tips);              
             _tips.style.display            = "none";  
         }  
   
             _tips.style.display    = "";  
               
             _tips.innerHTML        = tip;  
             _tips.style.left = document.body.scrollLeft+e.clientX-188;   
             _tips.style.top = document.body.scrollTop+e.clientY+10;   
     }  
 }  
 );  
   
 document.attachEvent('onmouseout',function(e)  
 {     
     var _tips = document.getElementById("myTip");  
     if(_tips!=null)  
     {  
         _tips.style.display="none";  
     }  
 }  
 )
 */
 /*详细页面的tab*/
 function change_optionPage(number,index){

	for (var i = 1; i <= number; i++) {
		
			document.getElementById('overTab' + i).className = '';
			
			document.getElementById('tabContent' + i).style.display = 'none';
		
		}
		
			document.getElementById('overTab' + index).className = 'overTab';
			
			document.getElementById('tabContent' + index).style.display = 'block';
		
	}
	
 function change_optionPage1(number,index){

	for (var i = 1; i <= number; i++) {
		
			document.getElementById('overTab1' + i).className = '';
			
			document.getElementById('tabContent1' + i).style.display = 'none';
		
		}
		
			document.getElementById('overTab1' + index).className = 'overTab';
			
			document.getElementById('tabContent1' + index).style.display = 'block';
		
	}
	
	 function change_optionPageClass(number,index){

	for (var i = 0; i <= number; i++) {
		
			document.getElementById('overTab' + i).className = '';
			document.getElementById('tabContent' + i).style.display = 'none';
			if(i == 7)
			{
				document.getElementById('overTab' + i).className = 'termTabE';
			}
			if(i == 8||i == 9||i == 10)
			{
				document.getElementById('overTab' + i).className = 'termTabC';
			}
		}
			document.getElementById('overTab' + index).className = 'overTab';
			document.getElementById('tabContent' + index).style.display = 'block';			
	}