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) {
		
		top_nav_02_over = newImage("images/top_nav_02-over.gif");
		top_nav_03_over = newImage("images/top_nav_03-over.gif");
		top_nav_04_over = newImage("images/top_nav_04-over.gif");
		top_nav_05_over = newImage("images/top_nav_05-over.gif");
		top_nav_06_over = newImage("images/top_nav_06-over.gif");
		
		atlanta_over = newImage("images/atlanta-over.gif");
		boston_over = newImage("images/boston-over.gif");
		chicago_over = newImage("images/chicago-over.gif");
		dallas_over = newImage("images/dallas-over.gif");
		dania_beach_over = newImage("images/dania_beach-over.gif");
		denver_over = newImage("images/denver-over.gif");
		houston_over = newImage("images/houston-over.gif");
		los_angeles_over = newImage("images/los_angeles-over.gif");
		minneapolis_over = newImage("images/minneapolis-over.gif");
		new_york_over = newImage("images/new_york-over.gif");
		san_francisco_over = newImage("images/san_francisco-over.gif");
		washington_dc_over = newImage("images/washington_dc-over.gif");
		
		preloadFlag = true;
	}
}

function emailTearsheet(){
	window.open('','EmailTearsheet','height=480,width=600,status=no,toolbar=no,menubar=no,location=no,scrollbars=yes');
}