<!--       
function winopen(desturl,wname,w,h){
  var x0, y0;
  neuesfenster=open(desturl,wname,'toolbar=0,status=0,scrollbars="auto",left=0,top=0,screenX='+x0+',screenY='+y0+',width='+w+',height='+h+',resizeable=1,dependent=0');
  if (navigator.appVersion.charAt(0)>=3) {
  x0=(screen.availWidth-w)/2;
  y0=(screen.availHeight-h)/2;
  neuesfenster.moveTo(x0,y0);
  }    
}
//-->