preloadImages();

function preloadImages() {
	if (document.images) {
		
		news = newimg("/pics/news.gif");
		students = newimg("/pics/mystudents.gif");
		portes = newimg("/pics/portesouvertes.gif");
		month = newimg("/pics/imageofmonth.gif");
		blank = newimg("/pics/blank.gif");
		
		preloadFlag = true;
	}
}

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

function chimg(bildname,bildObj) {
	window.document.images[bildname].src = bildObj.src;
}