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) {
		ui_nav_about_10 = newImage("image/ui-nav-about_10.gif");
		ui_nav_methodologies_11 = newImage("image/ui-nav-methodologies_11.gif");
		ui_nav_services_12 = newImage("image/ui-nav-services_12.gif");
		ui_nav_support_13 = newImage("image/ui-nav-support_13.gif");
		ui_nav_partnerships_14 = newImage("image/ui-nav-partnerships_14.gif");
		ui_nav_blog_15 = newImage("image/ui-nav-blog_15.gif");
		ui_nav_careers_16 = newImage("image/ui-nav-careers_16.gif");
		ui_nav_home2_2 = newImage("image/ui-nav-home2_2.gif");
		ui_nav_careers_17 = newImage("image/ui-nav-careers_17.gif");
		ui_nav_contact_18 = newImage("image/ui-nav-contact_18.gif");
		ui_nav_homereg_2 = newImage("image/ui-nav-homereg_2.gif");
		headercon_facebook_01_2 = newImage("image/headercon-facebook_01_2.png");
		headercon_linkedin_01_2 = newImage("image/headercon-linkedin_01_2.png");
		headercon_twitter_2 = newImage("image/headercon-twitter_2.png");
		preloadFlag = true;
	}
}