function ShowSMS()
{
    document.getElementById("SMS").style.display = '';
    $("#txtCellNr").focus();
}

function CloseSMS()
{
    document.getElementById("SMS").style.display = 'none';
}
function SendSMS()
{
    var url
    xmlHttp=GetXmlHttpObject()
    if (xmlHttp==null)
    {
        alert ("Your browser does not support AJAX!");
        return;
    } 
    url  = "http://maps.afrigis.co.za/mobigateway/AjaxSendSMS.aspx?Number=" + document.getElementById("txtCellNr").value + "&num="+Math.random();
    xmlHttp.onreadystatechange=SendSMSAjax;
    xmlHttp.open("GET",url,true);
    xmlHttp.send(null);
    
}
function SendSMSAjax()
{
    CloseSMS();
    if (xmlHttp.readyState==4)
    {
       Result =xmlHttp.responseText;
       document.getElementById("txtCellNr").value = "";
       ShowAlert();
    }
}

function ShowAlert()
{
    document.getElementById("Alert").style.display = '';
}

function CloseAlert()
{
    document.getElementById("Alert").style.display = 'none';
}

function CheckKeyPressed(e)
{
    var unicode = e.keyCode? e.keyCode : e.charCode;

    if (unicode == 13)
    {
        SendSMS();
        return false;  
    }                
}