var xmlHttp;

var months = new Array();
months[0] = "January";
months[1] = "February";
months[2] = "March";
months[3] = "April";
months[4] = "May";
months[5] = "June";
months[6] = "July";
months[7] = "August";
months[8] = "September";
months[9] = "October";
months[10] = "November";
months[11] = "December";

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;

} // end function GetXmlHttpObject

function ShowPast() {

    document.getElementById("tblUpcoming").style.display = "none";
    document.getElementById("tblPast").style.display = "";
    document.getElementById("lnkPast").className = "selected";
    document.getElementById("lnkUpcoming").className = "";
}

function ShowUpcoming() {

    document.getElementById("tblUpcoming").style.display = "";
    document.getElementById("tblPast").style.display = "none";
    document.getElementById("lnkPast").className = "";
    document.getElementById("lnkUpcoming").className = "selected";
}