<!--/*Rollover and preloadsswaps images for a rollover effect, and loads the images used into the browser's cache.Source: Doc JavaScript(http://www.docjavascript.com)Edited: 08.22.00:: josh@mahoney.com*/	// preloader.	if (document.images) {		var cat = new Image();		cat.src = "images/ho_nav/cat.gif";		var cat_on = new Image();		cat_on.src = "images/ho_nav/cat_over.gif";				var est = new Image();		est.src = "images/ho_nav/est.gif";		var est_on = new Image();		est_on.src = "images/ho_nav/est_over.gif";				var best = new Image();		best.src = "images/ho_nav/best.gif";		var best_on = new Image();		best_on.src = "images/ho_nav/best_over.gif";				var down = new Image();		down.src = "images/ho_nav/down.gif";		var down_on = new Image();		down_on.src = "images/ho_nav/down_over.gif";				var aut = new Image();		aut.src = "images/ho_nav/aut.gif";		var aut_on = new Image();		aut_on.src = "images/ho_nav/aut_over.gif";				var about = new Image();		about.src = "images/ho_nav/about.gif";		var about_on = new Image();		about_on.src = "images/ho_nav/about_over.gif";			    var home = new Image();		home.src = "images/ho_nav/home.gif";		var home_on = new Image();		home_on.src = "images/ho_nav/home_over.gif";				var news = new Image();		news.src = "images/ho_nav/news.gif";		var news_on = new Image();		news_on.src = "images/ho_nav/news_over.gif";				var adv = new Image();		adv.src = "images/ho_nav/adv.gif";		var adv_on = new Image();		adv_on.src = "images/ho_nav/adv_over.gif";				var cart = new Image();		cart.src = "images/ho_nav/cart.gif";		var cart_on = new Image();		cart_on.src = "images/ho_nav/cart_over.gif";			}	// swap out inactive image for the active one.	function on(imgName) {		if (document.images) {			document[imgName].src = eval(imgName + "_on.src");		}	}		// swap out active image for the inactive one.	function off(imgName) {		if (document.images) {			document[imgName].src = eval(imgName + ".src");		}	}// -->
