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) {
		patients_over = newImage("assets/templates/ahc_sec/images/patients-over.jpg");
		healthcare_over = newImage("assets/templates/ahc_sec/images/healthcare-over.jpg");
		about_ahc_over = newImage("assets/templates/ahc_sec/images/about_ahc-over.jpg");
		bottom_bar_about_ahc_over = newImage("assets/templates/ahc_sec/images/bottom_bar-about_ahc_over.jpg");
		bottom_bar_healthcare_over = newImage("assets/templates/ahc_sec/images/bottom_bar-healthcare_over.jpg");
		bottom_bar_patients_over = newImage("assets/templates/ahc_sec/images/bottom_bar-patients_over.jpg");
		preloadFlag = true;
	}
}