offimg=new Array(navelem);
onimg= new Array(navelem);

function overs(nav){
document.getElementById(nav).parentNode.onmouseover= function(){ document.getElementById(nav).src=onimg[nav.replace("nav","")];}
document.getElementById(nav).parentNode.onmouseout= function() {document.getElementById(nav).src=offimg[nav.replace("nav","")];}
}

for(i=1;i<=navelem;i++)
{
var nav="nav"+i;

offimg[i]=document.getElementById(nav).src;
var off= offimg[i];
onimg[i]=off.replace("_off.gif","_on.gif");

if(document.getElementById(nav).parentNode.id==theme)
{
	document.getElementById(nav).src=onimg[i];
}
else
{
overs(nav);
}
}


function mouseover(imgId) {
	img=document.getElementById(imgId);
	imgSrc=img.src;
	
	if(imgSrc.match(/_off.gif/))
	{
		img.src=imgSrc.replace(/_off.gif/,"_on.gif");
	}
	else
	{
		img.src=imgSrc.replace(/_on.gif/,"_off.gif");
	}
	
}