var browser="ie6";
	var browserVer = navigator.appVersion;
	var i = browserVer.indexOf("MSIE");
	var j = browserVer.indexOf(";", i);
	if(i>=0){
	    if(browserVer.substring(i+5, j-2)=="7"){
	        // IE 7
	        browser="ie7";
	    }
	    else{		
	        //IE 6 and below	
	        browser="ie6";
	    }
	}
	else{    
	    // Opera, Safari, Firefox
	    browser="Opera,Safari,Firefox";
	}
	
	function zid(){ };
	function subid(){ };
	zid["3"]="SubTabA01";
	zid["4"]="SubTabA02";
	zid["5"]="SubTabA03";
	zid["6"]="SubTabB01";
	zid["7"]="SubTabB02";
	zid["8"]="SubTabB03";
	zid["9"]="SubTabB04";
	zid["10"]="SubTabC01";
	zid["11"]="SubTabC02";
	zid["2"]="SubTabC03";
	zid["12"]="SubTabC04";
	var subno="1";
	var zno="3";
	function getParentNode(obj,str)
	{
		if(obj )
		{
			if(obj.id)
			{
				var re = new RegExp(str,"g");
				if(obj.id.match(re))
				{
					return obj;
				}else{
					return getParentNode(obj.parentNode,str);
				}
			}else{
				return getParentNode(obj.parentNode,str);
			}
		}else{
			return null;
		}
	}
	function runmouseout(e)
	{
		e = (e) ? e : event;
		var tag;
		//var tag=getParentNode(e.target,"^SubTab");
		if(browser.match(/^ie/g))
		{
			 tag=getParentNode(e.target,"^SubTab");
		}else{
			 tag=getParentNode(e.target,"^Nav_Tab");
		}
		var obj=document.getElementById(zid[zno]);
		if(obj){
			if(tag == null)
			{
					showhide(obj,"show");
			}else{
				//if(browser.match(/^ie/g))
				if(zid[zno])
				{
					if(zid[zno] != obj.id)
					{
						showhide(obj,"hide");
					}
				}else
				{
					showhide(obj,"hide");
				}
			}
		}else{
			changeShowHide(preobj,"hide");
			preobj=null;
		}
	}
	//var check=true;
	var preobj;
	function showhide(obj,status)
	{
		if(typeof(obj) == "string")
		{
			obj=document.getElementById(obj);
		}
		if(status == "show")
		{
			if(browser.match(/^ie/g))
			{
				if(preobj)
				{
					if(preobj.id == obj.id)
					{
						return false;
					}

					changeShowHide(preobj,"hide");
				}
			}
			changeShowHide(obj,"show");
			preobj = obj;
		}else{
			if(!browser.match(/^ie/g))
			{
				changeShowHide(obj,"hide");
			}else{
					runmouseout(event);
			}
		}
	}
	function changeShowHide(obj,status)
	{
		if(obj){

			if(status== "show")
			{
				obj.className="nav_over";
			}else{
				obj.className="nav_out";

			}
		}
	}