function core(){
	var btns=eltUtil.getElementsByClassName("btnImg",$("Lct")),
	sPanel=$("sPanel"),sPanelDes=$("sPanelDes"),linx=-1;
	return {
		bevt:function(){
			for(var i=0,len=btns.length;i<len;i++){
				btns[i].index=i;
				btns[i].onclick=function(){
					switch(linx){
						case this.index:
							sPanel.style.display="none";
							linx=-1;
							return false;
						default:
							linx=this.index;
							break;
					}
					var res=["<table class='ftqy'>"];
					for(var i=0,len=sbj.doc[this.index].relic.length;i<len;i++){
						res.push("<tr><td><a class='ftqy' href='"+sbj.doc[this.index].relic[i].url+"' target='_blank'>"+sbj.doc[this.index].relic[i].title+"</a></td></tr>");
					}
					res.push("</table>");
					sPanelDes.innerHTML=res.join("");
					sPanel.style.left=eltUtil.getX(this);
					if(this.index>=4){
						if(sPanel.style.display="none"){
							sPanel.style.visibility="hidden";
							sPanel.style.display="";
							sPanel.style.top=eltUtil.getY(this)-sPanel.offsetHeight;
							sPanel.style.visibility="";
						}else{
							sPanel.style.visibility="";
						}
					}else{
						sPanel.style.top=eltUtil.getY(this)+23;
					}
					sPanel.style.display="";
				}
			}	
		},
		init:function(){
			this.bevt();
		}
	};
}