function httpCmd(st) {
    var xmlhttp;
    var n = 0;
    
    if (st != '') {
        if (window.XMLHttpRequest) {
            // code for IE7+, Firefox, Chrome, Opera, Safari
            xmlhttp = new window.XMLHttpRequest();
        }
        else if (window.ActiveXObject) {
            // code for IE6, IE5
            xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
        }
        else {
            alert("Your browser does not support XMLHTTP!");
            return false;
        }

        var szURL = "zonexml/azr_county_" + st + ".xml";
        var szHttpMethod = "GET";
        xmlhttp.open(szHttpMethod, szURL, false);
        xmlhttp.send(null);
        var rws = xmlhttp.responseXML.documentElement.getElementsByTagName("row");
        
        xmlhttp = null;
        n = rws.length;
    }
    var txt = '';
    var dis = ' disabled="disabled"';
    var lnk = document.getElementById('lnkBrochure');
    var ddl = document.getElementById('optCounty');
    //alert(ddl.value);

    lnk.className = "brochure-btn-off";

    if (n == 0)
    {
      
    }
    else
    {
        dis = '';
        //lnk.className = "brochure-btn-on";
    }
    //alert(lnk.className);
    txt += '<select class="ddl" id="optCounty" onchange="return getCounty(this.value);"'+ dis + '>';
    txt += '<option value="">(Select County)</option>';

    for (i = 0; i < n; i++) {
        txt += '<option value="' + rws[i].getAttribute("azr_2009")  + '">' + rws[i].getAttribute("county") + '</option>';
    }
    txt += '</select>'

    document.getElementById('divCounty').innerHTML = txt;
    return false;

}

function getCounty(v)
{
    var ctl = document.getElementById('lnkBrochure');
    if (v == "")
    {
        ctl.className = "brochure-btn-off";
    }
    else
    {
        ctl.className = "brochure-btn-on";
    }
    return true;
}

function getBrochure(lnk) {

    var ctl = document.getElementById('optCounty');
    var v = ctl.value;
    if (v == "")
    {
        return false;
    }
    var nm = "docs/MONUSC_2010_RRewards_Zone";
    var hr = "";
    v = v.substr(v.length - 1);
    switch (v) {
        case '1':
            hr = nm + '1_2'
            break;
        case '2':
            hr = nm + '1_2'
            break;
        case '3':
            hr = nm + '3_4'
            break;
        case '4':
            hr = nm + '3_4'
            break;
        case '5':
            hr = nm + '5_6_7'
            break;
        case '6':
            hr = nm + '5_6_7'
            break;
        case '7':
            hr = nm + '5_6_7'
            break;
    }
    hr += ".pdf";
    lnk.href = hr;
    return true;
}