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() {
	var s;
	if (document.images) {
		s = newImage("/images/navlev1_solutions_on.gif");
		s = newImage("/images/navlev1_buy_on.gif");
		s = newImage("/images/navlev1_support_on.gif");
		s = newImage("/images/navlev1_partners_on.gif");
		s = newImage("/images/navlev1_aboutus_on.gif");
		preloadFlag = true;
	}
}