function getIEVersion()
// Returns the version of Internet Explorer or a -1
// (indicating the use of another browser).
{
    var rv =  - 1;// Return value assumes failure.
    if (navigator.appName == 'Microsoft Internet Explorer') {
        var ua = navigator.userAgent;       
        var re = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
        if (re.exec(ua) != null)
            rv = parseFloat(RegExp.$1);         
    }
    return rv;
}

function displayBrowserWarning(msg, dispCompId) {
    document.getElementById(dispCompId).innerHTML = msg;
}

function checkBrowserVersion(dispCompId) {
    var msg = "";
    var ver = getIEVersion();

    if (ver >= 9.0) {
        msg = "We notice that you are using Internet Explorer 9. Your browser is not supported for CELT. See <a href=\"http://portal-trn.cesa.catholic.edu.au/help/\" target=\"_blank\">Help</a> for more information.";
        //  alert(msg);
        displayBrowserWarning(msg, dispCompId);
    }
}

function test() {
    alert("This is a test");
}