var centerDivId="";
function closeCenterDiv(id1,id2,id3){
	$(id1).style.display="none";
	$(id2).style.display="none";
	$(id3).innerHTML="正在提取帮助信息";
}	
function showCenterDiv(id1,id2,id3,w,h,t){
  
	var centerObjDiv=$(id1);
	var backDivH=document.documentElement.scrollHeight>document.documentElement.clientHeight? document.documentElement.scrollHeight:document.documentElement.clientHeight;
	var backDivW=document.documentElement.scrollWidth>document.documentElement.clientWidth? document.documentElement.scrollWidth:document.documentElement.clientWidth;	
	var backDiv  = $(id2); 
	h=parseInt(h)+31;//31是title层的高度
	/*废弃代码*/
	var centerDivL=(document.documentElement.clientWidth-w)/2+document.documentElement.scrollLeft;
	var centerDivT=(document.documentElement.clientHeight-h)/2+document.documentElement.scrollTop;
	/*废弃代码结束*/
	$(id3).innerHTML=t;	
	centerObjDiv.style.display="block";
	centerObjDiv.style.left = "50%";
	centerObjDiv.style.top = "50%";
	centerObjDiv.style.marginLeft = -w/2+document.documentElement.scrollLeft+"px" ;
	centerObjDiv.style.marginTop = -h/2+document.documentElement.scrollTop+"px";
	/*
	centerObjDiv.style.top =centerDivT+"px";
	centerObjDiv.style.left = centerDivL+"px";
	*/
	
	
	centerObjDiv.style.width =w+"px";
	centerObjDiv.style.height =h+"px";	
	backDiv.style.display="block";	
	backDiv.style.top ="0px";
	backDiv.style.left = "0px";
	backDiv.style.width =backDivW+"px";	
	backDiv.style.height =backDivH+"px";
	
	this.setOpacity = function(obj,opacity){
		if(opacity>=1)
			opacity=opacity/100;
		try{ obj.style.opacity=opacity; }
		catch(e){}
		try{ 
			if(obj.filters.length>0&&obj.filters("alpha")){
				obj.filters("alpha").opacity=opacity*100;
			}
			else{
				obj.style.filter="alpha(opacity=\""+(opacity*100)+"\")";
			}
		}
		catch(e){}
	}	
	var c = 50;  
	this.doAlpha = function(){
		if (c > 50){		
			clearInterval(ad);
			return 0;
		}
		setOpacity(backDiv,c);
		c=c+2;
	}
	setOpacity(backDiv,1);
	var ad = setInterval("doAlpha()",1);
}

function regCentenTip(){
	var cTipArr=document.getElementsByClassName("c_tip")
	for(var i = 0; i < cTipArr.length; i++) { 
		cTipArr[i].onclick=function(){
			centerDivId=this.getAttribute("id");			
			var aHref=this.getAttribute("href");				
			var aAddress=aHref.substring(0,aHref.indexOf("?"));			
			var aH=100;
			var aW=100;
			var aT="";
			aH=aHref.substring(aHref.indexOf("h=")+2,aHref.indexOf("&"));
			aW=aHref.substring(aHref.indexOf("&w=")+3,aHref.indexOf("&",aHref.indexOf("&")+1));
			aT=aHref.substring(aHref.indexOf("&t=")+3,aHref.length);
			
			showCenterDiv("centerdiv","backdiv","centerdiv_title",aW,aH,aT);		
			setCenterDivCon("centerdiv_content",aHref);
			return false;
		};	       
	} 

}	

 function setCenterDivCon(id,aherf){
 	
 	var myAjax = new Ajax.Request(
	aherf,
	{
	method: 'get',
	onSuccess: function(o){
		
		$(id).innerHTML=o.responseText;	
		document.getElementById('uploadfileid').value=uploadFileId;
		
	},
	onFailure: function(){alert("服务器错误，请稍候再试")}
	
	});
 }
regCentenTip();