function Inhalt(titel) {
    MeinFenster =
    window.open(titel,"_blank","width=500,height=450,left=200,top=100,scrollbars=yes,resizable=yes,location=no,toolbar=no,menubar=no");
    MeinFenster.focus();
}

function Inhalt2(titel) {
    MeinFenster =
    window.open(titel,"_blank","width=700,height=580,left=200,top=100,scrollbars=yes,resizable=yes,location=no,toolbar=no,menubar=no");
    MeinFenster.focus();
}

function Inhalt3(titel) {
    MeinFenster =
    window.open(titel,"_blank","width=580,height=580,left=200,top=100,scrollbars=yes,resizable=yes,location=no,toolbar=no,menubar=no");
    MeinFenster.focus();
}


function CheckOpen() {
 if(InfoWin.closed == true) alert("Fenster wurde geschlossen");
 else alert("Fenster noch offen");
}