function openWindow(documentName) 
	{
	   window.open(documentName, "popup", "width=500,height=500,center,toolbar=no,location=no,directories=0,status=no,menubar=no,scrollbars=yes,resizable=yes");
	}

	function rolloverON(obj)
	{
		document.getElementById("roll_"+obj).src=rollovers[obj]["srcON"].src;
	}
	
	function rolloverOFF(obj)
	{
		document.getElementById("roll_"+obj).src=rollovers[obj]["srcOFF"].src;
	}
	
	function switchNavON(num)
	{
		document.getElementById("nav_"+num).src=navs[num]["srcON"].src;
	}
	
	function switchNavOFF(num)
	{
		document.getElementById("nav_"+num).src=navs[num]["srcOFF"].src;
	}
	
	function openWindow(theURL,winName,features) 
	{ 
		window.open(theURL,winName,features);
	}