if (document.images) {
	var b = new Image();
	b.src = "swap/b.gif";
	var a = new Image();
	a.src = "swap/a.gif";

	var cleaningserv_b = new Image();
	cleaningserv_b.src = "grafx/nav_cleaningserv_on.gif";
	var cleaningserv_a = new Image();
	cleaningserv_a.src = "grafx/nav_cleaningserv_off.gif";
	
	var cleaningtips_b = new Image();
	cleaningtips_b.src = "grafx/nav_cleaningtips_on.gif";
	var cleaningtips_a = new Image();
	cleaningtips_a.src = "grafx/nav_cleaningtips_off.gif";
	
	var customerserv_b = new Image();
	customerserv_b.src = "grafx/nav_customerserv_on.gif";
	var customerserv_a = new Image();
	customerserv_a.src = "grafx/nav_customerserv_off.gif";

	var delivery_b = new Image();
	delivery_b.src = "grafx/nav_delivery_on.gif";
	var delivery_a = new Image();
	delivery_a.src = "grafx/nav_delivery_off.gif";
	
	var discounts_b = new Image();
	discounts_b.src = "grafx/nav_discounts_on.gif";
	var discounts_a = new Image();
	discounts_a.src = "grafx/nav_discounts_off.gif";
	
	var news_b = new Image();
	news_b.src = "grafx/nav_news_on.gif";
	var news_a = new Image();
	news_a.src = "grafx/nav_news_off.gif";
	
	var storeloc_b = new Image();
	storeloc_b.src = "grafx/nav_storeloc_on.gif";
	var storeloc_a = new Image();
	storeloc_a.src = "grafx/nav_storeloc_off.gif";
	
	var corpserv_b = new Image();
	corpserv_b.src = "grafx/nav_corpserv_on.gif";
	var corpserv_a = new Image();
	corpserv_a.src = "grafx/nav_corpserv_off.gif";
}


function swap(imgName) {
		if (document.images) 
			document[imgName].src = eval(imgName + "_b.src");
	}

	function noswap(imgName) {
 		if (document.images)
			document[imgName].src = eval(imgName + "_a.src");
	}