for(i=1;i<=8;i++)
{
	eval("serve"+i+"On= new Image()");
	eval("serve"+i+"On.src= '../images/serviceNav" + i + "_on.gif'");
	eval("serve"+i+"Off= new Image()");
	eval("serve"+i+"Off.src= '../images/serviceNav" + i + ".gif'");
}

function serveRoll(num,state)
{
	eval("document.images['serviceNav" + num + "'].src = serve" + num + state + ".src");
}