// this == dom element

onFadeEnd = function () {

  $(this).remove() ;

} ;

_enqueueMsg = function(msg, cls, remainVisibleTime) {

  var m = $('<span>' + msg + '</span>').addClass("f-msg-cls").addClass(cls).appendTo("#t-msg-wrapper") ;

  if (remainVisibleTime)

    m.parent().animate({'opacity':.95}, remainVisibleTime).fadeOut(2000, onFadeEnd) ;

  return m ;

}

enqueueMsg = function(msg) {

  var cls = "f-msg" ;

  var remainVisibleTime = 2000 ;

  _enqueueMsg(msg, cls, remainVisibleTime) ;  

}

enqueueErrorMsg = function(msg) {

  var cls = "f-msg-e" ;

  var remainVisibleTime = 4000 ;

  _enqueueMsg(msg, cls, remainVisibleTime) ;  

}

setCookie = function(name, value) {

  var cookieExpire = new Date();

  cookieExpire.setFullYear(2100, 0, 1);

  $.cookie(name, value, {

    'expires' :cookieExpire,

    'path': '/'

  });

}

/* utility function to remember form field value into cookie */

rememberFormField = function(form_id, field_id, cookie_name) {

  /* value gets fetched from cookie if possible */  

  $(document).ready(function(){

    var cookie_val = $.cookie(cookie_name); 

    if (cookie_val) {

      $('#' + form_id + ' #' + field_id)[0].value = cookie_val; 

    }

  })

  /* value gets saved on submit */

  $(document).ready(function(){

    $('#' + form_id + ' input[type=submit]').click(function() {

      var val = $('#' + form_id + ' #' + field_id)[0].value;

      if (val) {

        setCookie(cookie_name, val);

      }

      });

  })  

}