$(function() {
	 jQuery('#primary-nav li.primary-nav-section .primary-nav-dropdown, #primary-nav li.primary-nav-section .primary-nav-dropdown-inner').each(function(){
		//$.preloadImages($(this).css("background-image").replace(/url\(([^\)]*)\)/g,"$1"));
	 });
	
	/* highlight menu item on hover */
	$('li.primary-nav-section a.primary-nav-top-link').hover(function() {
		$(this).addClass('primary-nav-top-link-hover');
	}, function() {
		$(this).removeClass('primary-nav-top-link-hover');
	})
	
	/* activate dropdown on hoverIntent */
	$('li.primary-nav-section').hoverIntent(function() {
		$(this).addClass('primary-nav-section-active');
		}, function() {
		$(this).removeClass('primary-nav-section-active');
	})
	
	$('#footer.collapsible').each(function() {
		$('#footer-top-container').hide();
		var expandLink = $('<a id="footer-expand-button" href="javascript:void(0)">Expand</a>');
		expandLink.toggle(function() {
			$(this).text('Collapse');
			$('#footer-top-container').slideDown();
			$(this).blur();
		}, function() {
			$(this).text('Expand');
			$('#footer-top-container').slideUp();
			$(this).blur();
		});
		$(this).prepend(expandLink);
	});
})

jQuery.preloadImages = function(){
	for(var i = 0; i<arguments.length; i++) {
		jQuery("<img>").attr("src", arguments[i]);
	}
}