var xmlHttp

function showEventAreasSelect(str)
{   //First unhide the areas div
    document.getElementById("EventAreasDiv").style.visibility = "visible";

    xmlHttp=GetXmlHttpObject();
    if (xmlHttp==null)
    {   alert ("Your browser does not support AJAX!");
        return;
    } 
    var url="../Includes/ajaxGetEventAreasByLocId.asp";
    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)
    {   document.getElementById("EventAreasDiv").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;
}