function IFrameResize(){

 //alert(this.document.body.scrollHeight); //弹出当前页面的高度
 var obj = parent.document.getElementById("childFrame");  //取得父页面IFrame对象
 //alert(obj.height); //弹出父页面中IFrame中设置的高度
 obj.height = this.document.body.scrollHeight;  //调整父页面中IFrame的高度为此页面的高度

}

//通过对象ID获得对象引用
function getById(id)
{
	itm = null;
	if (document.getElementById)
	{
		itm = document.getElementById(id);
	}
	else if (document.all)
	{
		itm = document.all[id];
	}
	else if (document.layers)
	{
		itm = document.layers[id];
	}
	
	return itm;
}

////网上酒吧街左边导航栏底色变
var currentid = "";
function changbg(id){
    if(id != "" && id != currentid){
		if(getById("td"+id) != null ){
			getById("td"+id).className = "currntbg";
			if(getById("td"+currentid) != null ){
				getById("td"+currentid).className = "";
			}
			currentid = id;
		}
	}
}
 
////社区首面中间导航栏底色变
//var currentidindex = "";
//function changbgindex(id){
   // if(id != "" && id != currentidindex){
		//if(getById("td"+id) != null ){
			///getById("td"+id).className = "currntbgindex";
			///if(getById("td"+currentidindex) != null ){
				///getById("td"+currentidindex).className = "";
			///}
			///currentidindex = id;
		///}
	///}
///}

///首面中间网上酒吧街用DIV实现,鼠标经过底色变.
var i="";
var currentidindex = "";
function setFocus1(i)
{
 if (i!="")
 {
 selectLayer1(i);
 if(i != "" && i != currentidindex){
		if(getById("td"+i) != null ){
			getById("td"+i).className = "currntbgindex";
			if(getById("td"+currentidindex) != null ){
				getById("td"+currentidindex).className = "";
			}
			currentidindex = i;
		}
	}
 }
 if (i=="")
 {
  selectLayer(); 
  }
}
function selectLayer()
{
 document.getElementById("div").style.display="block";
 document.getElementById("div1").style.display="none";
 document.getElementById("div2").style.display="none";
 document.getElementById("div3").style.display="none";
 document.getElementById("div4").style.display="none";
 document.getElementById("div5").style.display="none";
 document.getElementById("div6").style.display="none";
 document.getElementById("div7").style.display="none";
 document.getElementById("div8").style.display="none";
 document.getElementById("div9").style.display="none";
 }
 
function selectLayer1(i)
{
 switch(i)
 {
 case 1:
 document.getElementById("div").style.display="none";
 document.getElementById("div1").style.display="block";
 document.getElementById("div2").style.display="none";
 document.getElementById("div3").style.display="none";
 document.getElementById("div4").style.display="none";
 document.getElementById("div5").style.display="none";
 document.getElementById("div6").style.display="none";
 document.getElementById("div7").style.display="none";
 document.getElementById("div8").style.display="none";
 document.getElementById("div9").style.display="none";
 break;
 case 2:
 document.getElementById("div").style.display="none";
 document.getElementById("div1").style.display="none";
 document.getElementById("div2").style.display="block";
 document.getElementById("div3").style.display="none";
 document.getElementById("div4").style.display="none";
 document.getElementById("div5").style.display="none";
 document.getElementById("div6").style.display="none";
 document.getElementById("div7").style.display="none";
 document.getElementById("div8").style.display="none";
 document.getElementById("div9").style.display="none";
 break;
 case 3:
 document.getElementById("div").style.display="none";
 document.getElementById("div1").style.display="none";
 document.getElementById("div2").style.display="none";
 document.getElementById("div3").style.display="block";
 document.getElementById("div4").style.display="none";
 document.getElementById("div5").style.display="none";
 document.getElementById("div6").style.display="none";
 document.getElementById("div7").style.display="none";
 document.getElementById("div8").style.display="none";
 document.getElementById("div9").style.display="none";
 break;
 case 4:
 document.getElementById("div").style.display="none";
 document.getElementById("div1").style.display="none";
 document.getElementById("div2").style.display="none";
 document.getElementById("div3").style.display="none";
 document.getElementById("div4").style.display="block";
 document.getElementById("div5").style.display="none";
 document.getElementById("div6").style.display="none";
 document.getElementById("div7").style.display="none";
 document.getElementById("div8").style.display="none";
 document.getElementById("div9").style.display="none";
 break;
 case 5:
 document.getElementById("div").style.display="none";
 document.getElementById("div1").style.display="none";
 document.getElementById("div2").style.display="none";
 document.getElementById("div3").style.display="none";
 document.getElementById("div4").style.display="none";
 document.getElementById("div5").style.display="block";
 document.getElementById("div6").style.display="none";
 document.getElementById("div7").style.display="none";
 document.getElementById("div8").style.display="none";
 document.getElementById("div9").style.display="none";
 break;
 case 6:
 document.getElementById("div").style.display="none";
 document.getElementById("div1").style.display="none";
 document.getElementById("div2").style.display="none";
 document.getElementById("div3").style.display="none";
 document.getElementById("div4").style.display="none";
 document.getElementById("div5").style.display="none";
 document.getElementById("div6").style.display="block";
 document.getElementById("div7").style.display="none";
 document.getElementById("div8").style.display="none";
 document.getElementById("div9").style.display="none";
 break;
 case 7:
 document.getElementById("div").style.display="none";
 document.getElementById("div1").style.display="none";
 document.getElementById("div2").style.display="none";
 document.getElementById("div3").style.display="none";
 document.getElementById("div4").style.display="none";
 document.getElementById("div5").style.display="none";
 document.getElementById("div6").style.display="none";
 document.getElementById("div7").style.display="block";
 document.getElementById("div8").style.display="none";
 document.getElementById("div9").style.display="none";
 break;
 case 8:
 document.getElementById("div").style.display="none";
 document.getElementById("div1").style.display="none";
 document.getElementById("div2").style.display="none";
 document.getElementById("div3").style.display="none";
 document.getElementById("div4").style.display="none";
 document.getElementById("div5").style.display="none";
 document.getElementById("div6").style.display="none";
 document.getElementById("div7").style.display="none";
 document.getElementById("div8").style.display="block";
 document.getElementById("div9").style.display="none";
 break;
 case 9:
 document.getElementById("div").style.display="none";
 document.getElementById("div1").style.display="none";
 document.getElementById("div2").style.display="none";
 document.getElementById("div3").style.display="none";
 document.getElementById("div4").style.display="none";
 document.getElementById("div5").style.display="none";
 document.getElementById("div6").style.display="none";
 document.getElementById("div7").style.display="none";
 document.getElementById("div8").style.display="none";
 document.getElementById("div9").style.display="block";
 break;
 }
}

//树型菜单
function showLay(divId,imgobj){
var objDiv = document.getElementById(divId);
var objImg = imgobj;
if (objDiv.style.display=="none"){
objImg.src='images/jiang.gif';
objDiv.style.display="";
}else{
objImg.src='images/jia.gif';
objDiv.style.display="none";
}
}