if (self != top) top.location = self.location
function oeffneFenster(url) {
  	Fenster = window.open(url, "Sitecheck");
  	Fenster.focus();
	}

function berechne(cobj,max,zaehler){
	if (zaehler == 'url')
		cobj.form.restURL.value=max-cobj.value.length;
	if (zaehler == 'titel')
		cobj.form.restTitel.value=max-cobj.value.length;
	if (zaehler == 'beschreibung1')
		cobj.form.restBeschreibung1.value=max-cobj.value.length;
	if (zaehler == 'beschreibung2')
		cobj.form.restBeschreibung2.value=max-cobj.value.length;


	if(cobj.value.length>max){
		cobj.value=cobj.value.substr(0,max);
		}
	}