function mainmenue(url) {
        var w = 530;
        var h = 800;
        zoom=window.open('http://www.gigman.de/gigmanwebdata/screenshots/'+url,"window",'width='+w+',height='+h+',scrollbars=yes,menubar=no');
        var x = (screen.width-w)/2;
        zoom.moveTo(x,150);
        zoom.focus();
}

function 650x780(url) {
        var w = 650;
        var h = 780;
        zoom=window.open('http://www.gigman.de/gigmanwebdata/screenshots/'+url,"window",'width='+w+',height='+h+',scrollbars=yes,menubar=no');
        var x = (screen.width-w)/2;
        zoom.moveTo(x,150);
        zoom.focus();
}



function terminblocken(url) {
        var w = 530;
        var h = 180;
        zoom=window.open('http://www.gigman.de/gigmanwebdata/screenshots/'+url,"window",'width='+w+',height='+h+',scrollbars=yes,menubar=no');
        var x = (screen.width-w)/2;
        zoom.moveTo(x,150);
        zoom.focus();
}