function userLogin(frm)
   {
      if(secure == "true")
      {
         frm.action= protocol + "://" + server + "/list/ui/userAuthentication.htm";
      }
      else
      {
         frm.action="/list/ui/userAuthentication.htm";
      }

      var submitFlag = true;
      var userName = document.getElementById("userName").value;
      var userpassword = document.getElementById("password").value;
      userName = Trim(userName);
      userpassword = Trim(userpassword);
      document.getElementById("userName").value = userName;
      document.getElementById("password").value = userpassword;
      if (userName.length <= 0)
      {
         alert("Please enter user name");
         frm.userName.focus();
         submitFlag = false;
         return false;
      }
      else if (userpassword.length <= 0)
      {
         alert("Please enter your password");
         frm.password.focus();
         submitFlag = false;
         return false;
      }
      else
      {
         return true;
      }

   }

   function submitenter(frm,e)
   {
      var keycode;
      if (window.event) keycode = window.event.keyCode;
      else if (e) keycode = e.which;
      else return true;

      if (keycode == 13)
      {
          if(frm.name == "frmMain")
          {
            return userLogin(frm);
           }
      }
      else
      {
         return true;
       }
   }


   function Trim(s)
   {
      // Remove leading spaces and carriage returns
      while ((s.substring(0, 1) == ' ') || (s.substring(0, 1) == '\n') || (s.substring(0, 1) == '\r'))
      {
         s = s.substring(1, s.length);
      }

      // Remove trailing spaces and carriage returns
      while ((s.substring(s.length - 1, s.length) == ' ') || (s.substring(s.length - 1, s.length) == '\n') || (s.substring(s.length - 1, s.length) == '\r'))
      {
         s = s.substring(0, s.length - 1);
      }
      return s;
   }

   function putFocus()
   {
      try
      {
         if (document.frmMain != null && document.frmMain.userName != undefined)
            document.frmMain.userName.focus();
      }
      catch(err)
      {

      }
   }