﻿function theRotator() {
    //Set the opacity of all images to 0
    jQuery('div#sponsor-container ul li').css({ opacity: 0.0 });

    //Get the first image and display it (gets set to full opacity)
    jQuery('div#sponsor-container ul li:first').css({ opacity: 1.0 });

    //Call the rotator function to run the slideshow, 5000 = change to next image after 5 seconds

    setInterval('rotate()', 3000);

}

function rotate() {
    //Get the first image
    var current = (jQuery('div#sponsor-container ul li.show') ? jQuery('div#sponsor-container ul li.show') : jQuery('div#sponsor-container ul li:first'));

    if (current.length == 0) current = jQuery('div#sponsor-container 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')) ? jQuery('div#sponsor-container ul li:first') : current.next()) : jQuery('div#sponsor-container 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 = jQuery( 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');

};



jQuery(document).ready(function() {
    //Load the slideshow
    theRotator();
    jQuery('div#sponsor-container').fadeIn(1000);
    jQuery('div#sponsor-container ul li').fadeIn(1000); // tweek for IE
});
