var xmlHttp;
    var is_ie = (navigator.userAgent.indexOf('MSIE') >= 0) ? 1 : 0;
    var is_ie5 = (navigator.appVersion.indexOf("MSIE 5.5")!=-1) ? 1 : 0;
    var is_opera = ((navigator.userAgent.indexOf("Opera6")!=-1)||(navigator.userAgent.indexOf("Opera/6")!=-1)) ? 1 : 0;
    //netscape, safari, mozilla behave the same???
    var is_netscape = (navigator.userAgent.indexOf('Netscape') >= 0) ? 1 : 0;

    function InitSize( url )
    {
//      alert(url);

      //Create the xmlHttp object to use in the request
      //stateChangeHandler will fire when the state has changed, i.e. data is received back
      // This is non-blocking (asynchronous)
      xmlHttp = GetXmlHttpObject(stateChangeHandler);

      //Send the xmlHttp get to the specified url
      xmlHttp_Get(xmlHttp, url);
    }

    //stateChangeHandler will fire when the state has changed, i.e. data is received back
    // This is non-blocking (asynchronous)
    function stateChangeHandler()
    {
        //readyState of 4 or 'complete' represents that data has been returned
        if (xmlHttp.readyState == 4 || xmlHttp.readyState == 'complete'){
            //Gather the results from the callback
            var str = xmlHttp.responseText;

            //Populate the innerHTML of the div with the results
            if (str.length > 0)
            {
              document.getElementById('referralid').innerHTML = str;
            }
        }
    }

    // XMLHttp send GET request
    function xmlHttp_Get(xmlhttp, url) {
        xmlhttp.open('GET', url, true);
        xmlhttp.send(null);
    }

    function GetXmlHttpObject(handler) {
        var objXmlHttp = null;    //Holds the local xmlHTTP object instance

        //Depending on the browser, try to create the xmlHttp object
        if (is_ie){
            //The object to create depends on version of IE
            //If it isn't ie5, then default to the Msxml2.XMLHTTP object
            var strObjName = (is_ie5) ? 'Microsoft.XMLHTTP' : 'Msxml2.XMLHTTP.6.0';

            //Attempt to create the object
            try{
                objXmlHttp = new ActiveXObject(strObjName);
                objXmlHttp.onreadystatechange = handler;
            }
            catch(e){
            //Object creation errored
                alert('IE detected, but object could not be created. Verify that active scripting and activeX controls are enabled');
                return;
            }
        }
        else if (is_opera){
            //Opera has some issues with xmlHttp object functionality
            alert('Opera detected. The page may not behave as expected.');
            return;
        }
        else{
            // Mozilla | Netscape | Safari
            objXmlHttp = new XMLHttpRequest();
            objXmlHttp.onload = handler;
            objXmlHttp.onerror = handler;
        }

        //Return the instantiated object
        return objXmlHttp;
    }


    function toggleDiv(txt, image){
             var content = document.getElementById(txt);
             var pic = document.getElementById(image);
             if(content.className == 'divHide'){
                content.className = 'divShow';
                pic.src ='/images/layout/minus.jpg';
                pic.alt ='neg';
                }
             else{
                content.className = 'divHide';
                pic.src ='/images/layout/plus.jpg';
                pic.alt='pos';
                }
             return false;
             };

    function getCookie(c_name)
    {
    if (document.cookie.length>0)
      {
      c_start=document.cookie.indexOf(c_name + "=");
      if (c_start!=-1)
        {
        c_start=c_start + c_name.length+1;
        c_end=document.cookie.indexOf(";",c_start);
        if (c_end==-1) c_end=document.cookie.length;
        return unescape(document.cookie.substring(c_start,c_end));
        }
      }
    return "";
    }