animateHoverMenu = function(){
	$('#main_menu a img').each(function(){
		var tmpEl = this;
		var cloneEl = $(tmpEl).clone().addClass('altImg');
		var startSrc = $(cloneEl).attr('src');
		startSrc = startSrc.replace(/alt.png/, '.png');
		startSrc = startSrc.replace(/.png/, 'alt.png');
		$(cloneEl).attr({src: startSrc});
		$(cloneEl).css({opacity: '0'}).hover(function(){
			$(this).animate({opacity: '1'}, { duration: 300, queue: false });
		}, function(){
			$(this).animate({opacity: '0'}, { duration: 300, queue: false });
		});
		$(cloneEl).appendTo(tmpEl.parentNode);
	});
	$('#smallHeaderMenu a img').each(function(){
		var tmpEl = this;
		var cloneEl = $(tmpEl).clone().addClass('altImg');
		var startSrc = $(cloneEl).attr('src');
		startSrc = startSrc.replace(/alt.png/, '.png');
		startSrc = startSrc.replace(/.png/, 'alt.png');
		$(cloneEl).attr({src: startSrc});
		$(cloneEl).css({opacity: '0'}).hover(function(){
			$(this).animate({opacity: '1'}, { duration: 300, queue: false });
		}, function(){
			$(this).animate({opacity: '0'}, { duration: 300, queue: false });
		});
		$(cloneEl).appendTo(tmpEl.parentNode);
	});
}
$(document).ready(function(){
	animateHoverMenu();
});