var interval = 10000;
imageArray = new Array();
var imageNum = 0;

imageArray[0] = new imageItem("<a href='#section_movies'><img src='/graphics/movie_preview_stepbrothers.jpg' border='0'></a>");
imageArray[1] = new imageItem("<a href='#section_movies'><img src='/graphics/movie_preview_sandlot.jpg' border='0'></a>");
imageArray[2] = new imageItem("<a href='#section_movies'><img src='/graphics/movie_preview_hangover.jpg' border='0'></a>");
imageArray[3] = new imageItem("<a href='#section_movies'><img src='/graphics/movie_preview_supertroopers.jpg' border='0'></a>");
imageArray[4] = new imageItem("<a href='#section_movies'><img src='/graphics/movie_preview_blow.jpg' border='0'></a>");
imageArray[5] = new imageItem("<a href='#section_movies'><img src='/graphics/movie_preview_fightclub.jpg' border='0'></a>");

var totalImages = imageArray.length; 

function imageItem(image_location) {
	this.image_item = new Array();
	this.image_item.src = image_location;
}

function get_ImageItemLocation(imageObj) {
	return(imageObj.image_item.src)
}

function randNum(x, y) {
	var range = y - x + 1;
	return Math.floor(Math.random() * range) + x;
}

function getNextImage() {
	imageNum = (imageNum+1) % totalImages;	
	var new_image = get_ImageItemLocation(imageArray[imageNum]);
	return(new_image);
}

function getPrevImage() {
	imageNum = (imageNum-1) % totalImages;
	if (imageNum < 0) {imageNum = 5}
	var new_image = get_ImageItemLocation(imageArray[imageNum]);
	return(new_image);
}

function prevImage(place) {
	var new_image = getPrevImage();
	document.getElementById("slideImg").innerHTML = new_image;
}

function switchImage(place) {
	var new_image = getNextImage();
	document.getElementById("slideImg").innerHTML = new_image;
	var recur_call = "switchImage('"+place+"')";
	timerID = setTimeout(recur_call, interval);
}