var sNav=document.getElementById("main_nav").getElementsByTagName("img");
var strlen=sNav.length;
var sNav2=document.getElementById("subnav").getElementsByTagName("ol");
var strlen2=5;
var IE6bug = "";
for(var i=0;i<strlen;i++)
{	sNav[i].index=i+1;
	sNav[i].onmouseover=function(){showDiv(this);};
	sNav[i].onmouseout=function(){closeDiv(this);}
}
for(var i=0;i<strlen;i++)
{	sNav2[i].index=i+1;
	sNav2[i].onmouseover=function(){showDiv(this);};
	sNav2[i].onmouseout=function(){closeDiv(this);}
}

function showDiv_1(i){

	for(var j=1;j<=5;j++){
		document.getElementById("subnav"+j).style.display="none";
		document.getElementById("navimg"+j).src= siteUrl + "/images/imgcontent/navimg"+j+".jpg";
		document.getElementById("navimg"+j).style.top="0px";
	}
	document.getElementById("subnav"+i.index).style.display="block";
	document.getElementById("navimg"+i.index).src= siteUrl + "/images/imgcontent/navimg"+i.index+"_on.png";
	document.getElementById("navimg"+i.index).style.top="-15px";
}

function showDiv(i){
	showDiv_1(i);
	clearInterval(IE6bug);
}

function closeDiv_1(i)
{	
	document.getElementById("navimg"+i.index).src= siteUrl + "/images/imgcontent/navimg"+i.index+".jpg";
	document.getElementById("navimg"+i.index).style.top="0";
	document.getElementById("subnav"+i.index).style.display="none";
}

function closeDiv(i)
{ 
	IE6bug = setInterval(function(){closeDiv_1(i)} ,500);
}