// placeHolder jQuery plugin by [Max Wheeler](max@makenosound.com)
// Modifications and improvements by Dario De Bastiani / manweb
// 
// Copyright (c) 2010 Max Wheeler. Licensed under the [WTFPL](http://sam.zoy.org/wtfpl/)
// Dependencies: jQuery
//
// Changelog:
// * v1.0.0 (2010-04-21) Initial Version
// * v1.0.1 (2010-04-29) Minified using YUI compressor instead ofo JSMin
// * v1.0.2 (2010-05-10) Removed default text from form submission; moved placeholder support check outside for() loop
// * v1.0.3 (2010-05-14) Added check for "placheld" class before clearing default text on form submission
// * v1.0.4 (2010-07-01) Added password fields support - NEED TO TEST

(function($){
  $.placeholder = function(el, options){
    var base = this;
    base.$el = $(el);
    base.el = el;
		base.isPass = base.$el.attr("type") == "password" ? true : false;
    base.$el.data("placeholder", base);
    base.placeholderText = base.$el.attr("placeholder");
    
    base.init = function(){
      base.options = $.extend({},$.placeholder.defaultOptions, options);
      base.$el.bind('blur', base.holdPlace)
							.bind('focus', base.releasePlace)
							.trigger('blur');
      base.$el.parents('form').submit(base.clearPlace);
    };
    // Hold with the default value attribute
    base.holdPlace = function() {
      var value = base.$el.val();
      if (!value)
			{ 
				base.$el.val(base.placeholderText).addClass(base.options.className);
				if ( base.isPass ) { base.$el.attr("type", "text"); }
			}
    };
    // Refill with the default value attribute - used ONFOCUS
    base.releasePlace = function() {
      var value = base.$el.val();
      if (value == base.placeholderText) base.$el.val('').removeClass(base.options.className);
			if ( base.isPass ) { base.$el.attr("type", "password"); }
    };
    // Refill with the default value attribute - used ONSUBMIT
    base.clearPlace = function() {
      var value = base.$el.val();
      if (value == base.placeholderText && base.$el.hasClass(base.options.className))
			{ base.$el.val('').removeClass(base.options.className); }
    };
    base.init();
  };
  
  $.placeholder.defaultOptions = { className: "placeHolder" };
  
  $.fn.placeholder = function(options) {

	// Check for placeholder attribute support
	if (!!("placeholder" in $('<input>')[0])) return;
	
    return this.each(function() {
      (new $.placeholder(this, options));
    });
  };
})(jQuery);