// 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) {
		nav_home_over = newImage("images/mainnav/home-over.gif");
		nav_mimadv_over = newImage("images/mainnav/advantage-over.gif");
		nav_services_over = newImage("images/mainnav/services-over.gif");
		nav_safety_over = newImage("images/mainnav/safety-over.gif");
		nav_employment_over = newImage("images/mainnav/employment-over.gif");
		nav_contact_over = newImage("images/mainnav/contact-over.gif");
		nav_downloads_over = newImage("images/mainnav/downloads-over.gif");
		preloadFlag = true;
	}
}