// Background Image Fader Script by James Brocklehurst 2010 // Licensed under the MIT License: // http://www.opensource.org/licenses/mit-license.php // For full instructions visit http://www.mightymeta.co.uk/blog/ // Version 0.0.1
var selector = "#menu li a.button";
var hoverOverSpeed = "2500";
var hoverOutSpeed = "5000";

$(document).ready(function() {  
// Background Opacity Plugin by Nick Obrien (http://www.nickobrien.nl)
(function($){
	jQuery.fn.backOpacity = function(settings){
		// Default and argument settings
		settings = jQuery.extend({background: '#000000', opacity: 0}, settings);
		// Loop through each element given and add an opacity element
		jQuery(this).each(function(intIndex){
			// For fixing background element's positions/sizes these variables are needed
			var pt = parseInt($(this).css('paddingTop'));
			var pb = parseInt($(this).css('paddingBottom'));
			var pl = parseInt($(this).css('paddingLeft'));
			var pr = parseInt($(this).css('paddingRight'));
			var fixedleft = parseInt($(this).css('marginLeft'));
			var fixedright = parseInt($(this).css('marginRight'));
			// Element offset width
			var parentow = $(this).width();
			// Fixed variables
			var fixedwidth, fixedheight, fixedleft, fixedright = 0;
			// Calculate fixing positions/sizes
			fixedwidth = parentow + pl + pr;
			fixedheight = $(this).height() + pt + pb;
			// Add background element
			$(document.createElement('div')).width(fixedwidth).height(fixedheight).css({backgroundColor:settings.background, opacity:settings.opacity, position:'relative', marginLeft:fixedleft+'px', marginRight:fixedright+'px', left:0, top:0, bottom:0, zIndex:((10)+intIndex*10)}).insertAfter($(this));
			// Set positions for the content element
			$(this).css({width: parentow, position:'absolute', zIndex:((20)+intIndex*20)});
		});
		// Return
		return jQuery;
	};
})(jQuery);
// Animate Fade Effects
	$(selector).css({background:'none'}); //removes default CSS :hover effect
	$(selector).backOpacity({background: '#000000', opacity: '1'}); // Initiate default background opacity
	$(selector).hover(function(){
	$(this).siblings('div').stop().animate({'opacity':0},hoverOverSpeed); //fade out on hover
	},function(){
	$(this).siblings('div').stop().animate({'opacity':1}, hoverOutSpeed); //fade in on mouseout
	});
});