/*!
 * jQuery Placeholder Plugin
 *
 * Copyright (c) 2011 Dmitriy Kubyshkin (http://kubyshkin.ru)
 * Licensed under the MIT license
 */
if(jQuery) // Check if jQuery is loaded
{
  (function($) { // Making $ accessible even in noConflict
    jQuery.fn.placeholder = function(options){
      var options = jQuery.extend({
        className: "placeholded"
      },options);

      return this.each(function(){
        var hold = $(this);
        var text = this.defaultValue;
        var form = hold.closest('form');

        // If there's no default value then there's nothing to do here
        if(!text) return;

        // Function to clear input value
        var clearValue = function(){
          if(hold.hasClass(options.className))
          {
            hold.val("");
            hold.removeClass(options.className);
          }
        };

        // Function to restore default value if field is empty
        var restoreValue = function(){
          if(hold.val() == "")
          {
            hold.val(text);
            hold.addClass(options.className);
          }
        };

        // Adding placeholded class name
        hold.addClass(options.className);

        // We need to remove default values before we submit
        form.submit(function(){
          clearValue();
          // But if submitting failed for example if other event
          // handler prevented default submit behavior then we need
          // to put placeholders back into the form
          setTimeout(restoreValue); 
        });

        // On focus we clear placeholded value
        hold.focus(clearValue);

        // On blur we put it back if field is empty
        hold.blur(restoreValue);
      });
    };
  })(jQuery);
}