var xmlHttp; function showRSS(str) {
    xmlHttp = GetXmlHttpObject();
    if (xmlHttp == null) {
        //alert("Browser does not support HTTP Request");
        return "Sorry, our article library is curerntly closed."
    }
    var url = "getrss.php";
    url = url + "?q=" + str;
    url = url + "&sid=" + Math.random();
    xmlHttp.onreadystatechange = stateChanged;
    xmlHttp.open("GET", url, true);
    xmlHttp.send(null);
}

function stateChanged() {
    if (xmlHttp.readyState == 4 || xmlHttp.readyState == "complete") {
        document.getElementById("rssOutput")
  .innerHTML = xmlHttp.responseText;
    }
} function GetXmlHttpObject() {
    var xmlHttp = null;
    try {
        // Firefox, Opera 8.0+, Safari
        xmlHttp = new XMLHttpRequest();
    }
    catch (e) {
        // Internet Explorer
        try {
            xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
        }
        catch (e) {
            xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
        }
    }
    return xmlHttp;
}