if (document.images)
	{
		HomeOn=new Image();
		HomeOn.src="images/head/home_on.gif";

		HomeOff=new Image();
		HomeOff.src="images/head/home_off.gif";

		AboutOn=new Image();
		AboutOn.src="images/head/about_on.gif";

		AboutOff=new Image();
		AboutOff.src="images/head/about_off.gif";

		ServicesOn=new Image();
		ServicesOn.src="images/head/services_on.gif";

		ServicesOff=new Image();
		ServicesOff.src="images/head/services_off.gif";

		ContactOn=new Image();
		ContactOn.src="images/head/contact_on.gif";

		ContactOff=new Image();
		ContactOff.src="images/head/contact_off.gif";
		
		RFQOn=new Image();
		RFQOn.src="images/head/rfq_on.gif";
		
		RFQOff=new Image();
		RFQOff.src="images/head/rfq_off.gif";		
	}
	
	
	function on(pic) {
		if (document.images) {
			document.images[pic].src=eval(pic + "On.src");
			}
		}	

	function off(pic) {
		if (document.images) {
			document.images[pic].src=eval(pic + "Off.src");
			}
		}