/*! Copyright (c) 2008 Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
* Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
* and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
*/
 
/**
* Gets the width of the OS scrollbar
*/
(function($) {
	var scrollbarWidth = 0;
	$.getScrollbarWidth = function() {
		if ( !scrollbarWidth ) {
			if ( $.browser.msie ) {
				var $textarea1 = $('<textarea cols="10" rows="2"></textarea>')
				.css({ position: 'absolute', top: -1000, left: -1000 }).appendTo('body'),
				$textarea2 = $('<textarea cols="10" rows="2" style="overflow: hidden;"></textarea>')
				.css({ position: 'absolute', top: -1000, left: -1000 }).appendTo('body');
				scrollbarWidth = $textarea1.width() - $textarea2.width();
				$textarea1.add($textarea2).remove();
			} else {
				var $div = $('<div />')
				.css({ width: 100, height: 100, overflow: 'auto', position: 'absolute', top: -1000, left: -1000 })
				.prependTo('body').append('<div />').find('div')
				.css({ width: '100%', height: 200 });
				scrollbarWidth = 100 - $div.width();
				$div.parent().remove();
			}
		}
		return scrollbarWidth;
	};
})(jQuery);