// 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_btn_over = newImage("images/home_btn-over.gif");
		health_btn_over = newImage("images/health_btn-over.gif");
		history_btn_over = newImage("images/history_btn-over.gif");
		location_btn_over = newImage("images/location_btn-over.gif");
		contact_btn_over = newImage("images/contact_btn-over.gif");
		gallery1_btn_over = newImage("images/foodshow/IMG_3466_default_over.jpg");
		gallery2_btn_over = newImage("images/production/IMG_3733_default_over.jpg");
		gallery3_btn_over = newImage("images/sampling/IMG_001_default_over.jpg");
		gallery4_btn_over = newImage("images/AidsRochester/IMG_0463_default_over.jpg");
		next_over = newImage("images/next-over.jpg");
		send_over = newImage("send-over.gif");
		presentation_over = newImage("images/presenation-over.gif");
		preloadFlag = true;
	}
}