/*Plugin: jQuery ParallaxVersion 1.1.3Author: Ian LunnTwitter: @IanLunnAuthor URL: http://www.ianlunn.co.uk/Plugin URL: http://www.ianlunn.co.uk/plugins/jquery-parallax/
Dual licensed under the MIT and GPL licenses:http://www.opensource.org/licenses/mit-license.phphttp://www.gnu.org/licenses/gpl.html*/
(function( $ ){	var $window = $(window);	var windowHeight = $window.height();
	$window.resize(function () {		windowHeight = $window.height();	});
	$.fn.parallax = function(xpos, speedFactor, outerHeight) {		var $this = $(this);		var getHeight;		var firstTop;		var paddingTop = 0;				//get the starting position of each element to have parallax applied to it				$this.each(function(){		    firstTop = $this.offset().top;		});
		if (outerHeight) {			getHeight = function(jqo) {				return jqo.outerHeight(true);			};		} else {			getHeight = function(jqo) {				return jqo.height();			};		}					// setup defaults if arguments aren't specified		if (arguments.length < 1 || xpos === null) xpos = "50%";		if (arguments.length < 2 || speedFactor === null) speedFactor = 0.1;		if (arguments.length < 3 || outerHeight === null) outerHeight = true;				// function to be called whenever the window is scrolled or resized		function update(){			var pos = $window.scrollTop();				
			$this.each(function(){				var $element = $(this);				var top = $element.offset().top;				var height = getHeight($element);
				// Check if totally above or totally below viewport				if (top + height < pos || top > pos + windowHeight) {					return;				}
				$this.css('backgroundPosition', xpos + " " + Math.round((firstTop - pos) * speedFactor) + "px");			});		}		
		$window.bind('scroll', update).resize(update);		update();	};})(jQuery);