function ClearForm(form) {
	if (form.value == form.defaultValue)
	form.value = "";
}

function OpenWindow(url, breite, hoehe, scrollbar) {
	if (scrollbar != 'yes' && scrollbar != 'no' && scrollbar != 'auto') scrollbar = 'auto';
	window.open(url, "Image", "width=" + breite + ", height=" + hoehe + ", status=no, menubar=no, resizable=no, scrollbars=" + scrollbar + ", toolbar=no");
}