if(document.images){
	
		var imgabo_on = new Image();
		var imgabo_off = new Image();
		
		var imgitem_on = new Image();
		var imgitem_off = new Image();
		
		var imgshop_on = new Image();
		var imgshop_off = new Image();
		
		var imghow_on = new Image();
		var imghow_off = new Image();
		
		var imgform_on = new Image();
		var imgform_off = new Image();
		
		var imgcont_on = new Image();
		var imgcont_off = new Image();
		
		var imglink_on = new Image();
		var imglink_off = new Image();
	}

	function preLoad()
	{
		imgabo_on.src="images/about_on.jpg";
		imgabo_off.src="images/about_off.jpg";
		imgitem_on.src="images/items_on.jpg";
		imgitem_off.src="images/items_off.jpg";
		imgshop_on.src="images/shopping_on.jpg";
		imgshop_off.src="images/shopping_off.jpg";
		imghow_on.src="images/how_on.jpg";
		imghow_off.src="images/how_off.jpg";
		imgform_on.src="images/orderform_on.jpg";
		imgform_off.src="images/orderform_off.jpg";
		imgcont_on.src="images/contact_on.jpg";
		imgcont_off.src="images/contact_off.jpg";
		imglink_on.src="images/links_on.jpg";
		imglink_off.src="images/links_off.jpg";

	}


	function rollon(img)
	{
		imgon = eval(img + "_on.src");

		if((document.images)&&(imgon))
		{
			document.images[img].src=eval(img+"_on.src");

		}

	}
	function rolloff(img)
	{
		imgoff=eval(img+"_off.src");
		if((document.images)&&(imgoff))
		{
			document.images[img].src=eval(img+"_off.src");

		}
	}