var dir="anfragemodul/";
var breite=540;
var hoehe=500;

var img=new Image();
img.src = dir+"back.jpg";

function anfrage()
{
w=img.width+breite;
F1 = open(dir+'index.php?h='+hoehe+'&w='+img.width,"F1","width="+w+", height="+img.height+", left=10, top=10, resizable=no, location=no, menubar=no, toolbar=no");
F1.focus();
}