function popup(uri) {
    var dx = 800;
    var dy = 600;

    if (screen.availWidth) {
        dx = screen.availWidth  - 10;
        dy = screen.availHeight - 30;
    }

   var w  = window.open(uri, 'x', 'width=800 ,height=600 ,screenX=0,screenY=0,top=0,left=0,resizeable=no,scrollbars=no');
    w.focus();
}


function popup02(uri) {
    var dx = 700;
    var dy = 600;

    if (screen.availWidth) {
        dx = screen.availWidth  - 10;
        dy = screen.availHeight - 30;
    }

   var w  = window.open(uri, 'x', 'width=680 ,height=600 ,screenX=0,screenY=0,top=0,left=0,resizeable=no,scrollbars=yes');
    w.focus();
}

function popup03(uri) {
    var dx = 800;
    var dy = 600;

    if (screen.availWidth) {
        dx = screen.availWidth  - 10;
        dy = screen.availHeight - 30;
    }

   var w  = window.open(uri, 'x', 'width=800 ,height=600 ,screenX=0,screenY=0,top=0,left=0,resizeable=no,scrollbars=yes');
    w.focus();
}

function popup04(uri) {
    var dx = 1000;
    var dy = 700;

    if (screen.availWidth) {
        dx = screen.availWidth  - 10;
        dy = screen.availHeight - 30;
    }

   var w  = window.open(uri, 'x', 'width=1000 ,height=700 ,screenX=0,screenY=0,top=0,left=0,resizeable=no,scrollbars=yes');
    w.focus();
}


function popupbild(uri) {
    var dx = 700;
    var dy = 600;

    if (screen.availWidth) {
        dx = screen.availWidth  - 10;
        dy = screen.availHeight - 30;
    }

   var w  = window.open(uri, 'x', 'width=680 ,height=600 ,screenX=0,screenY=0,top=0,left=0,resizeable=no,scrollbars=yes');
    //self.location.href='anmeldung9a.php'
    w.focus();
}