function popup(url, target)
{
    w = screen.width*(3/4);
    h = screen.height*(3/4);
    l = (screen.width-w)/2;
    t = (screen.height-h)/2;
    

    widthHeight = "width="+w+",height="+h+",left="+l+",top="+t+",menubar=no,resizable=yes,scrollbars=no,status=no,toolbar=no,location=no";
    window.open(url,target,widthHeight);
    return true
}

function openchat(oForm)
{
    if (oForm.nick.value.length == 0)
    {
        alert ('You have to fill in a nickname');
    }
    else
    {
        s = oForm.style.value + '?nick=' + oForm.nick.value;
      //http://boosh.fm/pjirc/NormalApplet.php?nick=BooshListnr

        //popup("http://boosh.fm/pjirc/NormalApplet.php?nick="+oForm.nick.value,'chatroom');
       window.open("http://boosh.fm/pjirc/NormalApplet.php?nick="+oForm.nick.value,'chatroom',"menubar=no,resizable=yes,scrollbars=no,status=no,toolbar=no,location=no");
    }
    return false;
}