$(document).ready(function () {	
	$('#nav li').hover(
		function () {
			//show its submenu
			$('ul', this).slideDown(100);

		}, 
		function () {
			//hide its submenu
			$('ul', this).slideUp(100);
		}
	);
	
	if ($.browser.msie) {
		$("div.banner ul").append('<li><img src="images/banner_1.jpg" alt="pic1" /></li>');
		$('div.banner ul li').show();
		$('div.banner ul li img').show();
	} else {
		$("div.banner ul").append("<li><img src=\"images/banner_1.jpg\" alt=\"pic1\" /></li><li><img src=\"images/banner_4.jpg\" alt=\"pic2\" /></li><li><img src=\"images/banner_2.jpg\" alt=\"pic3\" /></li><li><img src=\"images/banner_3.jpg\" alt=\"pic4\" /></li>");
		theRotator();
		$('div.banner').fadeIn(1000);
	}
	
	/*
	//Load the slideshow
	theRotator();
	$('div.banner').fadeIn(1000);
	$('div.banner ul li').fadeIn(1000); // tweek for IE
	*/
});

function theRotator() {
	//Set the opacity of all images to 0
	$('div.banner ul li').css({opacity: 0.0});
	
	//Get the first image and display it (gets set to full opacity)
	$('div.banner ul li:first').css({opacity: 1.0});
		
	//Call the rotator function to run the slideshow, 6000 = change to next image after 6 seconds
	
	setInterval('rotate()',6000);
	
}

function rotate() {	
	//Get the first image
	var current = ($('div.banner ul li.show')?  $('div.banner ul li.show') : $('div.banner ul li:first'));

    if ( current.length == 0 ) current = $('div.banner ul li:first');

	//Get next image, when it reaches the end, rotate it back to the first image
	var next = ((current.next().length) ? ((current.next().hasClass('show')) ? $('div.banner ul li:first') :current.next()) : $('div.banner ul li:first'));
	
	//Un-comment the 3 lines below to get the images in random order
	
	//var sibs = current.siblings();
        //var rndNum = Math.floor(Math.random() * sibs.length );
        //var next = $( sibs[ rndNum ] );
			

	//Set the fade in effect for the next image, the show class has higher z-index
	next.css({opacity: 0.0})
	.addClass('show')
	.animate({opacity: 1.0}, 1000);

	//Hide the current image
	current.animate({opacity: 0.0}, 1000)
	.removeClass('show');
	
};