function tS(){ x=new Date(); x.setTime(x.getTime()); return x; } 
function lZ(x){ return (x>9)?x:'0'+x; } 
function dT(){ if(fr==0){ fr=1; document.write('<span id="tP">'+eval(oT)+'</span>'); } tP.innerText=eval(oT); setTimeout('dT()',1000); } 
var fr=0,oT="lZ(tS().getHours())+':'+lZ(tS().getMinutes())+':'+lZ(tS().getSeconds())+' '";
 

function fensterauf(url, breite, hoehe) {
// Errechnet Koordinaten, um das Popup zentriert zu plazieren
links = (screen.width/2)-(breite/2);
oben = (screen.height/2)-(hoehe/2);
window.open(url,"popup","height="+hoehe+",width="+breite+",status = no,toolbar = no,menubar = no,location = no,resizable = yes,titlebar = no,scrollbars = no,fullscreen = no,top ="+oben+",left ="+links);
}