(function($) {
	$(document).ready(function() {
		function changeImage()
		{
			$('.sys_homeIntro').fadeTo(rotator.first ? 1 : rotator.speed, 0.01, function() {			
				$(this).css({ 'background-image':'url(' + rotator.folder + rotator.images[rotator.index] + rotator.extension + ')'}).fadeTo(rotator.speed, 1);
			});
			rotator.index++;
			rotator.first = false;
			if (rotator.index >= rotator.images.length)
				rotator.index = 0;
		}
	
		function intervalTrigger() {
      			setInterval( changeImage, 10000);
   		}; 

		var rotator = {
			extension: '.jpg',
			first: true,
			folder: '/SiteElements/Images/FrontPics/',
			index: 1,
			images: [
				'college-frontage',
				'graduation',
				'chefs',
				'nails',
				'prize-group1',
				'reservoir',
				'NewFront6',
				'NewFront2',
				'rugby',
				'NewFront15',
				'NewFront1',
				'SBM',
				'NewFront10',
				'skyline',
				'NewFront7'
			],
			speed: 1500
		};
	
		$.preload(rotator.images, {
			base: rotator.folder,
			ext: rotator.extension
		});
		rotator.index = Math.floor(Math.random() * rotator.images.length);
		changeImage();
		intervalTrigger();
	});
})(jQuery);