// JavaScript Document
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) {
		home_over = newImage("images/home-over.gif");
		about_over = newImage("images/about-over.gif");
		login_over = newImage("images/login-over.gif");
		search_over = newImage("images/search-over.gif");
		help_over = newImage("images/help-over.gif");
		casa_over = newImage("images/casa-over.gif");
		myaccount_over = newImage("images/myaccount-over.gif");
		mymaps_over = newImage("images/mymaps-over.gif");
		addnew_over = newImage("images/addnew-over.gif");
		preloadFlag = true;
	}
}