function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

var preloadFlag = false;
function preloadImages() {
pl_1 = newImage('_contact.png');pl_2 = newImage('_home.png');pl_3 = newImage('_before_after.png');pl_4 = newImage('_services.png');pl_5 = newImage('_testimonials.png');
}