function scaler(){
var F_breite=document.all.anzBreite.offsetWidth;
document.HG_bild.width=F_breite;
document.HG_bild.height=(F_breite/4)*3;
//alert((document.HG_bild.width/4)*3+"-höhe");
window.onresize=scaler;
}
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}