function parseQueryString (str) {
  str = str ? str : location.search;
  var query = str.charAt(0) == '?' ? str.substring(1) : str;
  var args = new Object();
  if (query) {
    var fields = query.split('&');
    for (var f = 0; f < fields.length; f++) {
      var field = fields[f].split('=');
      args[unescape(field[0].replace(/\+/g, ' '))] = unescape(field[1].replace(/\+/g, ' '));
    }
  }
  return args;
}
function getVars(){
    var redirectContents = new Object();
    redirectContents["code"] = "";
    redirectContents["page"] = "";
    redirectContents["lang"] = "";
    redirectContents["menu"] = "";

    if (parent.bottomFrame.document.getElementById("oldSourceFlag")!=null &&
        parent.bottomFrame.document.getElementById("oldSourceFlag").value==""){

            var strVariables = parent.location.search;
            if (strVariables != ""){
                var args = parseQueryString (strVariables);
                indexValue = args['i'];
                idCode = "";
                idPage = "";
                if (indexValue > 20) idLang = "en";
                else idLang = "fr";
                if (indexValue <= 10 || (indexValue>20 && indexValue<=30))
                    idMenu = "top";
                else idMenu = "left"; 
                    
                switch (indexValue){
                    // Menu horizontal fr ----------------
                    case '1':  
                        idCode = "opx2"; idPage = "opx2.html";
                        break;
                    case '2':
                        idCode = "2"; idPage = "ref.html";
                        break;
                    case '3':
                        idCode = "14"; idPage = "competences.html";
                        break;
                    // Menu vertical fr -----------------
                    case '11':   
                        idCode = "7"; idPage = "offres_emplois.html";
                        break;
                    case '12':   
                        idCode = "1"; idPage = "messages_des_dg.html";
                        break;                    
                     // Menu horizontal en ----------------      
                    case '21':
                        idCode = "2"; idPage = "ref.html";
                        break;
                    default:
                        break;
                }
                
                redirectContents["code"] = idCode;
                redirectContents["page"] = idPage;
                redirectContents["lang"] = idLang;
                redirectContents["menu"] = idMenu;
            }
    }
    return redirectContents;
}