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) {
		aboutus_over = newImage("images/menu/aboutus-over.gif");
		whyus_over = newImage("images/menu/whyus-over.gif");
		questions_over = newImage("images/menu/questions-over.gif");
		support_over = newImage("images/menu/support-over.gif");
		franchise_over = newImage("images/menu/franchise-over.gif");
		contact_over = newImage("images/menu/contact-over.gif");
		preloadFlag = true;
	}
}

function openLiveChat()
{
	var url = 'http://livechat.boldchat.com/aid/7824104652188122540/bc.chat?cwdid=5774518948585914609&amp;url=' + escape(document.location.href);


	var xsize = 640;
	var ysize = 580;
	var x = (screen.width - xsize) / 2;
	var y = (screen.height - ysize) / 2;

	var chat_window = window.open(url,'chatwindow','left='+x+',top='+y+',width='+xsize+',height='+ysize+',toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1');
	chat_window.focus();
}