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) {
		no_map_415_01_uptown_over = newImage("images/no_map_415_01-uptown_over.jpg");
		no_map_415_01_broadmoor_over = newImage("images/no_map_415_01-broadmoor_ove.jpg");
		no_map_415_01_carrollton_over = newImage("images/no_map_415_01-carrollton_ov.jpg");
		no_map_415_01_metairie_over = newImage("images/no_map_415_01-metairie_over.jpg");
		no_map_415_01_midcity_over = newImage("images/no_map_415_01-midcity_over.jpg");
		no_map_415_01_frenchQ_over = newImage("images/no_map_415_01-frenchQ_over.jpg");
		no_map_415_01_algiers_over = newImage("images/no_map_415_01-algiers_over.jpg");
		no_map_415_01_bywater_over = newImage("images/no_map_415_01-bywater_over.jpg");
		no_map_415_01_ninth_ward_over = newImage("images/no_map_415_01-ninth-ward_ov.jpg");
		no_map_415_01_easternno_over = newImage("images/no_map_415_01-easternno_ove.jpg");
		no_map_415_01_gentilly_over = newImage("images/no_map_415_01-gentilly_over.jpg");
		no_map_415_01_lakeview_over = newImage("images/no_map_415_01-lakeview_over.jpg");
		preloadFlag = true;
	}
}