// Button Rollover
// Author: David Weermeijer (www.Triumph-Design.com)
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		_menu_home_over = newImage("images/_menu_home-over.gif");
		_menu_websites_over = newImage("images/_menu_websites-over.gif");
		_menu_portfolio_over = newImage("images/_menu_portfolio-over.gif");
		_menu_hosting_over = newImage("images/_menu_hosting-over.gif");
		_menu_contact_over = newImage("images/_menu_contact-over.gif");
		preloadFlag = true;
	}
}