jQuery(
	function() {
		if (Liferay.Browser.isIe() && Liferay.Browser.getMajorVersion() < 7) {
			jQuery('#navigation > ul > li').hover(
				function(event) {
					jQuery(this).addClass('hover');
				},
				function(event) {
					jQuery(this).removeClass('hover');
				}
			);
		}
	}
);

bannerNav = {};

(function () {
 var item = 0,
 busy = false,
 paused = true,
 interval = null,
 animationSpeed = 0.6,
 animationInterval = 12,
 menuOpacityOff = 0.75,
 menuOpacityOn = 1,
 jQuery_banner,
 jQuery_banner_each,
 jQuery_banner_menu,
 jQuery_banner_item,
 jQuery_banner_play,
 jQuery_banner_img = new Image();
 
 jQuery(document).ready(
						function () {
						jQuery_banner = jQuery('#banner-nav');
						
						if (!jQuery_banner.length) {
						return;
						}
						
						jQuery_banner_each = jQuery_banner.children('.banner');
						jQuery_banner_menu = jQuery_banner.children('.menu');
						jQuery_banner_item = jQuery_banner_menu.children('.item');
						jQuery_banner_play = jQuery_banner_menu.children('.playpause');
						
						item = Math.round(Math.random() * jQuery_banner_each.length) - 1;
						
						bannerNav.toBanner = function (to, animationTime) {
						if (busy || item === to) {
						return;
						} else {
						busy = true;
						}
						
						jQuery_banner_item.eq(item).removeClass('selected');
						jQuery_banner_item.eq(to).addClass('selected').css('opacity', 0).css('opacity', 1).blur();
						
						jQuery_banner_each.eq(to).css('zIndex', 3).animate(
																		   {
																		   opacity: 1
																		   },
																		   animationTime,
																		   function () {
																		   jQuery_banner_each.eq(item).css(
																										   {
																										   opacity: 0,
																										   zIndex: 1
																										   }
																										   );
																		   
																		   jQuery_banner_each.eq(to).css('zIndex', 2);
																		   
																		   item = to;
																		   busy = false;
																		   }
																		   );
						};
						
						bannerNav.setInterval = function () {
						jQuery_banner_play.removeClass('paused');
						
						paused = false;
						
						interval = setInterval(
											   function () {
											   bannerNav.toBanner(item + 1 > jQuery_banner_each.length - 1 ? 0 : item + 1, animationSpeed * 1000);
											   },
											   animationInterval * 1000
											   );
						};
						
						bannerNav.clearInterval = function () {
						jQuery_banner_play.addClass('paused');
						
						paused = true;
						
						clearInterval(interval);
						};
						
						bannerNav.playpause = function () {
						if (paused) {
						setTimeout(
								   function () {
								   bannerNav.next(animationSpeed * 1000);
								   },
								   250
								   );					
						} else {
						bannerNav.clearInterval();
						}
						};
						
						bannerNav.prev = function (animationTime) {
						bannerNav.clearInterval();
						bannerNav.toBanner(item - 1 < 0 ? jQuery_banner_each.length - 1 : item - 1, animationTime || 1);
						bannerNav.setInterval();
						};
						
						bannerNav.next = function (animationTime) {
						bannerNav.clearInterval();
						bannerNav.toBanner(item + 1 > jQuery_banner_each.length - 1 ? 0 : item + 1, animationTime || 1);
						bannerNav.setInterval();
						};
						
						jQuery_banner_item.eq(item).addClass('selected');
						
						jQuery_banner_menu.css('opacity', menuOpacityOff);
						
						jQuery_banner_img.onload = function () {
						jQuery_banner.bind(
										   'mouseenter',
										   function () {
										   jQuery_banner_menu.animate(
																	  {
																	  opacity: menuOpacityOn
																	  },
																	  150
																	  )
										   }
										   ).bind(
												  'mouseleave',
												  function () {
												  jQuery_banner_menu.animate(
																			 {
																			 opacity: menuOpacityOff
																			 },
																			 300
																			 );
												  }
												  );
						
						jQuery_banner_each.eq(item).css(
														{
														opacity: 1,
														zIndex: 2
														}
														);
						
						bannerNav.setInterval();
						};
						
						if (item < 0) {
						item = 0;
						}
						
						jQuery_banner_img.src = jQuery_banner_each.eq(item).css('background-image').replace(/^.*url\("{0,}|"{0,}\).*$/g, '');
						}
						);
 }());