/**
 * jQuery Default Value Plugin v1.0
 * Progressive enhancement technique for inital input field values
 *
 * The MIT License
 * 
 * Copyright (c) 2007 Paul Campbell (pauljamescampbell.co.uk)
 * 
 * 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.
 *
 * @param		String
 * @return		Array
 */
(function ($) {
	$.fn.defaultValue = function () {
		// Scope
		var elements = this;
		var args = arguments;
		var c = 0;
		var autoSelect = (args.length > 0 && args[0].autoSelect);

		return (
			elements.each(function () {
				// Default values within scope
				var el = $(this);
				var def = el.attr('_defaultValue');

				if (def != null) {
					el.focus(function () {
						if (el.val() == def)
							el.val('').css({ color: '' });
						else if (autoSelect)
							el.select();

						el.blur(function () {
							if (el.val().trim().length == 0)
								el.val(def).css({ color: 'gray' });
						});
					});

					if (el.val().length == 0)
						el.val(def).css({ color: 'gray' });
				}
			})
		);
	}
})(jQuery);