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) {
		queue_over = newImage("/images/records-management-storage-o.gif");
		crawled_over = newImage("/images/vehicle-storage-storage-o.gif");
		explore_over = newImage("/images/public-storage-storage-o.gif");
		add_crawl_over = newImage("/images/certified-public-scales-storage-o.gif");
		preloadFlag = true;
	}
}