function popup (url) {

	var fenster = window.open(url, 'Popup', 'width=700,height=650,left=25,top=25,scrollbars=1');

	fenster.focus();
}

function bestaetigen () {
	
	return confirm('Sind Sie sich sicher?');
}

function js_trim (str) {
	
	return str.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
}

function check_mail (email) {

	var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;

	if (filter.test(email)) {
		return true;
	}

	return false;
}

function check_zahlart (e) {

	var anzahl = document.getElementById(e).getElementsByTagName('input').length;

	for (var i = 0; i < anzahl; i++) {

		var r = document.getElementById(e).getElementsByTagName('input')[i];

		if (r.type == 'radio' && r.checked) {
			return true;
		}
	}

	return false;
}

function markieren (id) {
	
	var e = document.getElementById(id);
	
	for (var i = 0; i < e.getElementsByTagName('input').length; i++) {
		
		if (e.getElementsByTagName('input')[i].type == 'checkbox') {
			
			e.getElementsByTagName('input')[i].click();
		}
	}
	
	return false;
}

function showhide (id) {

	var e = document.getElementById(id);

	e.style.display = e.style.display == 'none' || e.style.display == '' ? 'block' : 'none';
}

if (typeof jQuery != 'undefined') {  
	
	$(document).ready (function () {
		$('#addfavoriten').jFav();
	});
}