// Preload menu images
		var menu1_off = new Image();
		menu1_off.src = "images/menu_ourservices.gif";
		var menu1_on = new Image();
		menu1_on.src = "images/menu_ourservices-on.gif";

		var menu2_off = new Image();
		menu2_off.src = "images/menu_tireservice.gif";
		var menu2_on = new Image();
		menu2_on.src = "images/menu_tireservice-on.gif";
	
		var menu3_off = new Image();
		menu3_off.src = "images/menu_tips.gif";
		var menu3_on = new Image();
		menu3_on.src = "images/menu_tips-on.gif";
	
		var menu4_off = new Image();
		menu4_off.src = "images/menu_testimonials.gif";
		var menu4_on = new Image();
		menu4_on.src = "images/menu_testimonials-on.gif";

		var menu5_off = new Image();
		menu5_off.src = "images/menu_affiliates.gif";
		var menu5_on = new Image();
		menu5_on.src = "images/menu_affiliates-on.gif";
		
		var menu6_off = new Image();
		menu6_off.src = "images/menu_awards.gif";
		var menu6_on = new Image();
		menu6_on.src = "images/menu_awards-on.gif";
		
		var menu7_off = new Image();
		menu7_off.src = "images/menu_contact.gif";
		var menu7_on = new Image();
		menu7_on.src = "images/menu_contact-on.gif";
		
		var menu8_off = new Image();
		menu8_off.src = "images/menu_green.gif";
		var menu8_on = new Image();
		menu8_on.src = "images/menu_green-on.gif";

		function activate(imgName) {
			if ( eval(imgName + "_on.complete") ) {
				document.images[imgName].src = eval(imgName + "_on.src");
			}
		}

		function deactivate(imgName) {
			if ( eval(imgName + "_off.complete") ) {
				document.images[imgName].src = eval(imgName + "_off.src");
			}
		}