function openWin(house_id) {
	portWin=window.open("tour2/index.php3?house_id=" + house_id,"","resizable=0,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,copyhistory=0,width=640,height=450,left=50,top=50")
	portWin.creator=self
}

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) {
		listings_link_sub_over = newImage("images/listings_link_sub-over.gif");
		what_link_sub_over = newImage("images/what_link_sub-over.gif");
		demo_link_sub_over = newImage("images/demo_link_sub-over.gif");
		contact_link_sub_over = newImage("images/contact_link_sub-over.gif");
		preloadFlag = true;
	}
}