function initMenu() {
	$('ul#mainNavigation ul').hide();
	$('ul#mainNavigation ul.first').show();
	$('ul#mainNavigation li a').hover(
		function() {
			var checkElement = $(this).next();
			if((checkElement.is('ul')) && (checkElement.is(':visible'))) {
			return false;
		}
		if((checkElement.is('ul')) && (!checkElement.is(':visible'))) {
			$('ul#mainNavigation ul:visible').slideUp('normal');
			checkElement.slideDown('normal');
			return false;
		}
	});
}


$(document).ready(function(){

	// Randomize hero image
	var randomImage = Math.floor(Math.random()*5);
	while (randomImage < 1) {
		randomImage = Math.floor(Math.random()*5)
	}
	jQuery('#blockWelcomeImage').attr({ src: "images/illo_blockWelcome_" + randomImage + ".jpg" })

	// Initialize accordion menu
	initMenu();

	// Initialize tabs
	jQuery(".tabs").tabs();

});