function bild(xsize,ysize,picture)
    {
        var xp = (screen.width-xsize) / 2;
        var yp = (screen.availHeight-ysize) / 2 - 30;
        var site = "bild.htm?bild="+picture;
        var winstr = "directories=0,location=0,menubar=0,resizable=0,scrollbars=0,status=0,toolbar=0,width="+xsize+",height="+ysize+",left="+xp+",top="+yp;
        WinBild = window.open(site, "", winstr);    
     }

    function winPreisinfo(sitetype)
    {
        var xsize = 635;
        var ysize = 420;
        var xp = (screen.width-xsize) / 2;
        var yp = (screen.availHeight-ysize) / 2 - 30;
        var site = "detail-preisinfo-"+sitetype+".htm";
        var winstr = "directories=0,location=0,menubar=0,resizable=1,scrollbars=1,status=0,toolbar=0,width="+xsize+",height="+ysize+",left="+xp+",top="+yp;
        WinPreisInfo = window.open(site, "WinPreisInfo", winstr);
        WinPreisInfo.focus();
     }