function popup(url, name, width, height) {
	if (name === undefined) {
		name = "popup";
	}
	if (width === undefined) {
		width = 600;
	}
	if (height === undefined) {
		height = 400;
	}

	fenster = window.open(url, name, "width=" + width + ",height=" + height + ",status=yes,scrollbars=yes,resizable=yes");
	fenster.focus();
}

/**
 * Function to limit textarea input
 */
function ismaxlength(obj){
	var mlength=obj.getAttribute? parseInt(obj.getAttribute("maxlength")) : ""
	if (obj.getAttribute && obj.value.length>mlength)
		obj.value=obj.value.substring(0,mlength)
}

function confirmSubmit(msg) {
	if(msg == '')
		msg = "Sind Sie sicher?";
	return confirm(msg);
}