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) {
		Button1_over = newImage("<?= $ImgsFolder ?>Button1-over.gif");
		Button2_over = newImage("<?= $ImgsFolder ?>Button2-over.gif");
		Button4_over = newImage("<?= $ImgsFolder ?>Button4-over.gif");
		Button3_over = newImage("<?= $ImgsFolder ?>Button3-over.gif");
		preloadFlag = true;
	}
}

function JsNavigate( Url )
{
	window.location = Url;
}