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) {
		Maria_over = newImage("images/Maria_over.gif");
		Maria_here = newImage("images/Maria_here.gif");
		News_over = newImage("images/News_over.gif");
		News_here = newImage("images/News_here.gif");
		Schedule_over = newImage("images/Schedule_over.gif");
		Schedule_here = newImage("images/Schedule_here.gif");
		Recordings_over = newImage("images/Recordings_over.gif");
		Recordings_here = newImage("images/Recordings_here.gif");
		Photos_over = newImage("images/Photos_over.gif");
		Photos_here = newImage("images/Photos_here.gif");
		Multimedia_over = newImage("images/Multimedia_over.gif");
		Multimedia_here = newImage("images/Multimedia_here.gif");
		Press_over = newImage("images/Press_over.gif");
		Press_here = newImage("images/Press_here.gif");
		More_over = newImage("images/More_over.gif");
		More_here = newImage("images/More_here.gif");
		Contact_over = newImage("images/Contact_over.gif");
		Contact_here = newImage("images/Contact_here.gif");
		preloadFlag = true;
	}
}