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_01_over = newImage("navigation/images/home_01-over.gif");
		projekt_01_over = newImage("navigation/images/projekt_01-over.gif");
		links_01_over = newImage("navigation/images/links_01-over.gif");
		intro_01_over = newImage("navigation/images/intro_01-over.gif");
		preloadFlag = true;
	}
}
function makewindow1(url)
{
         thewindow=window.open(url,"image","width=650,height=600,resizable=yes,scrollbars=no,menu=no,toolbar=no")
}