function getXmlHttp()
{
        var xmlhttp=false;
        /*@cc_on @*/
        /*@if (@_jscript_version >= 5)
        // JScript gives us Conditional compilation, we can cope with old IE versions.
        // and security blocked creation of the objects.
        try
        {
            xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
        }
        catch (e) {
            try
            {
                xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
            }
            catch (E)
            {
                xmlhttp = false;
            }
        }
        @end @*/
        if (!xmlhttp && typeof XMLHttpRequest!='undefined')
        {
            xmlhttp = new XMLHttpRequest();
        }

        return xmlhttp;
}