function login_check( )
      {

        //Ensure that all required fields have data.
        var message_null_fields = "";
        
        if (document.login.login_name.value.length == 0)
          {
            message_null_fields = message_null_fields + "Phone Number\n";
          }
        if (document.login.password.value.length == 0)
          {
            message_null_fields = message_null_fields + "PIN\n";
          }
          
        //if the messages have information display the error.

        if ( message_null_fields.length > 0 )
          {
            alert( "Please fill in the following field(s):\n\n" + message_null_fields + "\nPlease try again.\n" );
            return false;
          }

        return true;
      }
      
    function no_pw_check( )
      {

        //Ensure that all required fields have data.
        var message_null_fields = "";
        
        if (document.login.login_name.value.length == 0)
          {
            message_null_fields = message_null_fields + "Phone Number\n";
          }
          
        //if the messages have information display the error.

        if ( message_null_fields.length > 0 )
          {
            alert( "Please fill in the following field(s):\n\n" + message_null_fields + "\nPlease try again.\n" );
            return false;
          }

        return true;
      }
      
    function js_check( )
      {
      		return true;
      }