function newwin(bildurl, b ,h)
{
var eigenschaft,sbreite,shoehe,fenster,b,h;

// stellt die Bildschirmabmessungen fest
// find window size
var ns6 = (!document.all && document.getElementById);
var ie4 = (document.all);
var ns4 = (document.layers);

if(ns6||ns4) {
sbreite = innerWidth;
shoehe = innerHeight;
}
else if(ie4) {
sbreite = document.body.clientWidth;
shoehe = document.body.clientHeight;
}


x = (sbreite-b)/2;
y = (shoehe-h)/2;



eigenschaften="left="+x+",top="+y+",screenX="+x+",screenY="+y+",width="+b+",height="+h+",menubar=no,toolbar=no,resizable=no,scrollbars=no";

fenster=window.open("","",eigenschaften);
fenster.focus();
fenster.document.open();
with (fenster) {
  document.write('<html><head>');
  document.write('<title>Image</title></head>');
  // bei Focusverlust schliessen, close if window looses focus
  document.write('<body onblur="window.close()" ');
  document.write('marginwidth="0" marginheight="0" leftmargin="0" topmargin="0">');
  document.write('<center>');
  document.write('<A HREF="#" onClick="window.close();return false">'); 	
  document.write('<img src="'+ bildurl +'"border="0" alt="close window">');
  document.write('</A>'); 	
  document.write('<center>');
  document.write('</body></html>');
  fenster.document.close();
}


}


function newhtml(datei,w2,h2)
{
 F1=window.open(datei,"Html","width=" + w2 + ", height=" + h2 +", resizable=yes,scrollbars=yes");

 F1.focus()

}
