function ShowSingleTag(tagName,nodeID,showObjId,obj)
{
	var objs = document.getElementById(nodeID).getElementsByTagName(tagName);
	for(var i=0,size=objs.length;i<size;i++)
	{
		objs[i].style.display="none";
	}
	document.getElementById(showObjId).style.display="block";
	
	ChangeNodeClassName("selBar","item");
	obj.className="selItem";
	
	//改变a标记的链接
	var a_obj=document.getElementById("a_binGo");
	a_obj.href=obj.innerText=="出租房源"?"/house/LetHouseList.aspx":"/house/SellHouseList.aspx";
}

function ChangeNodeClassName(nodeID,className)
{
	var objs=document.getElementById(nodeID);
	for(var i=0,size=objs.children.length;i<size;i++)
	{
		objs.children[i].className=className;
	}
}