/* Set values for gallery auto-rotation */
var iCurrent=1; // Sets the first gallery image
var timer;  // Variable for timer
var iSeconds = 5; // Number of seconds between rotations
var iMax; // Creates variable for the number of gallery images

/* Set inital promo and nav icon on page load */
var currentSlide = "div#slide"+iCurrent;
var newSlide = "div#slide"+getNextID();

$(document).ready(function(){
	iMax = $("#slideshow-wrapper > .slide").size();
	
	/* Start timer */
	timer = setInterval("ChangeSlide()", (iSeconds*1000));
	
});
		
/* Function to switch promos and restart timer */
function ChangeSlide() {

	// Fade photos to switch
	$(currentSlide).fadeOut('slow');

	$(newSlide).fadeIn('slow');
	
	// Update current and new slide
	currentSlide = "div#slide"+iCurrent;
	newSlide = "div#slide"+getNextID();
	
	clearInterval(timer);
	timer = setInterval("ChangeSlide()", (iSeconds*1000));

};

/* Gets ID of next promo for auto-rotate */
function getNextID() {
	iCurrent==iMax ? iCurrent=1 : iCurrent++;
	return iCurrent;
}