function bild640 (a1,a2)
{
url= 'b_ilder.php?seite='+ a1 + '&send='+ a2 ;
Fenster1 = window.open(url, "", "toolbar=0,left=0,top=0,width=640,height=480,directories=no,status=no,scrollbars=no,resize=no,menubar=no,location=0");
  Fenster1.location.href = url;
  Fenster1.focus();
}
function bild800 (a1,a2)
{
url= 'b_ilder.php?seite='+ a1 + '&send='+ a2 ;
Fenster1 = window.open(url, "", "toolbar=0,left=0,top=0,width=800,height=600,directories=no,status=no,scrollbars=no,resize=no,menubar=no,location=0");
  Fenster1.location.href = url;
  Fenster1.focus();
}
function bild450 (a1,a2)
{
url= 'b_ilder.php?seite='+ a1 + '&send='+ a2 ;
Fenster1 = window.open(url, "", "toolbar=0,left=0,top=0,width=450,height=600,directories=no,status=no,scrollbars=no,resize=no,menubar=no,location=0");
  Fenster1.location.href = url;
  Fenster1.focus();
}