/*ESEdRevolution*/
/*image preloader for top navigantion buttons*/

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_over = newImage("images/banner/home_over.gif");
		acknowledge_over = newImage("images/banner/acknowledge_over.gif");
		summary_over = newImage("images/banner/summary_over.gif");
		setting_over = newImage("images/banner/setting_over.gif");
		recommend_over = newImage("images/banner/recommend_over.gif");
		exemplars_over = newImage("images/banner/exemplars_over.gif");
		calltoaction_over = newImage("images/banner/calltoaction_over.gif");
		appendix_over = newImage("images/banner/appendix_over.gif");
		preloadFlag = true;
	}
}