// stellt die Bildschirmabmessungen fest
function dimension() {
var ns6 = (!document.all && document.getElementById);
var ie4 = (document.all);
var ns4 = (document.layers);
if(ns6||ns4) {
breite = innerWidth;
hoehe = innerHeight;
}
else if(ie4) {
breite = document.body.clientWidth;
hoehe = document.body.clientHeight;
}
return
}



// uebergabe url , breite , hoehe , scroll ja/nein , groesse aendern ja/nein
// aufruf: <a href="javascript: popwin1('dateiname.htm','700','450',1,1)">link</a>


function popwin1(url,w,h,s,r)
{
x=screen.width/2;
x=x-w/2;
y=screen.height/2;
y=y-h/2;
popUp1=window.open(url,'win1','width='+ w +',height='+ h +',left=' + x +',top='+ y +',directories=0,status=0,scrollbars='+s +',resizable='+ r + ',menubar=0,locationbar=0')
}