function showJpg(name,w,h)
 {
   var parsePara=eval("'width='+w+',height='+h+'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizeable=0,top=0,left=0'");
   Bilder = window.open(name,"Bild",parsePara);
   Bilder.focus();
 }