/**
 * Copyright (c) 2009-2010 Nikita Vasilyev

 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * @see http://github.com/NV/placeholder.js
 */
jQuery.fn.textPlaceholder = function () {

	return this.each(function(){

		var that = this;

		if (that.placeholder && 'placeholder' in document.createElement(that.tagName)) return;

		var placeholder = that.getAttribute('placeholder');
		var input = jQuery(that);

		if (that.value === '' || that.value == placeholder) {
			input.addClass('text-placeholder');
			that.value = placeholder;
		}

		input.focus(function(){
			if (input.hasClass('text-placeholder')) {
				this.value = '';
				input.removeClass('text-placeholder')
			}
		});

		input.blur(function(){
			if (this.value === '') {
				input.addClass('text-placeholder');
				this.value = placeholder;
			} else {
				input.removeClass('text-placeholder');
			}
		});

		that.form && jQuery(that.form).submit(function(){
			if (input.hasClass('text-placeholder')) {
				that.value = '';
			}
		});

	});

};