function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
function changeImagesArray(array) {
	if (preloadFlag == true) {
		var d = document; var img;
		for (var i=0; i<array.length; i+=2) {
			img = null; var n = array[i];
			if (d.images) {img = d.images[n];}
			if (!img && d.getElementById) {img = d.getElementById(n);}
			if (img) {img.src = array[i+1];}
		}
	}
}
function changeImages() {
	changeImagesArray(changeImages.arguments);
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		bttn_top_search_over = newImage("images/bttn-top-search-over.gif");
		bttn_top_newlisting_over = newImage("images/bttn-top-newlisting-over.gif");
		bttn_top_top5_over = newImage("images/bttn-top-top5-over.gif");
		bttn_top_vacation_over = newImage("images/bttn-top-vacation-over.gif");
		bttn_home_over = newImage("images/bttn-home-over.gif");
		bttn_realestate_over = newImage("images/bttn-realestate-over.gif");
		bttn_rentals_over = newImage("images/bttn-rentals-over.gif");
		bttn_buyers_over = newImage("images/bttn-buyers-over.gif");
		bttn_sellers_over = newImage("images/bttn-sellers-over.gif");
		bttn_about_over = newImage("images/bttn-about-over.gif");
		bttn_contact_over = newImage("images/bttn-contact-over.gif");
		pre_go_over = newImage('images/go_over.gif');
		pre_go_white_over = newImage('images/go_white_over.gif');
		preloadFlag = true;
	}
}