function genCode()
{
    var username = "your_username";
    var autojoin = (document.getElementById('IAUTOCONN').selectedIndex == 0 ? "false" : "true");
    var dark = (document.getElementById('IDARK').selectedIndex == 0 ? "false" : "true");
    if (document.getElementById('IRAND').selectedIndex == 0)
    {
        username = escape(document.getElementById('IRNDFORMAT').value);
    }
    var url = "http://www.wsirc.com/?username=" + username + "&server=" + document.getElementById('ISERVER').value + "%3A" + document.getElementById('IPORT').value + "&channel=" + escape(document.getElementById('ICHANNEL').value) + "&autojoin=" + autojoin + "&color=" + escape(document.getElementById('ICOLOR').value) + "&dark=" + dark;
    var res = "";
    if (document.getElementById('IEMBED').selectedIndex == 0)
        res = "<IFRAME SRC=" + url + " STYLE='width: " + document.getElementById('IWIDTH').value + "; height: " + document.getElementById('IHEIGHT').value + ";' WIDTH=" + document.getElementById('IWIDTH').value + " HEIGHT=" + document.getElementById('IHEIGHT').value + " FRAMEBORDER=0 BORDER=0 SCROLLING=NO SCROLLBAR=NO></IFRAME>";
    else
        res = url;

    document.getElementById('ICODE').value = res;

    document.getElementById('ISHOWCASE').src = "/examplePage.aspx?base=" + escape(document.getElementById('ICOLOR').value) + "&dark=" + dark;
}

genCode();