$(document).ready(function() {
	$("img.thumbnail").click(function(){
		imgSrc=$(this).parent().attr('href');
		$("div.unit_image > img").attr('src', imgSrc);
		return false;
	});

    $("div.sub").parent().addClass('parent');
    
	function megaHoverOver(){
		$(this).find(".sub").stop().fadeTo(100, 1).show();
	}
	function megaHoverOut(){ 
	  $(this).find(".sub").stop().fadeTo(100, 0, function() {
		  $(this).hide(); 
	  });
	}

	var config = {    
		 sensitivity: 2, // number = sensitivity threshold (must be 1 or higher)    
		 interval: 100, // number = milliseconds for onMouseOver polling interval    
		 over: megaHoverOver, // function = onMouseOver callback (REQUIRED)    
		 timeout: 200, // number = milliseconds delay before onMouseOut    
		 out: megaHoverOut // function = onMouseOut callback (REQUIRED)    
	};

	$("ul#navigation li .sub").css({'opacity':'0'});
	$("ul#navigation li").hoverIntent(config);
});