var auto_play = true;
var slide_delay = 5000;
var active_index = 0;
var si;

$(document).ready(function() {	

//Show Banner
$(".main_image .desc").show(); //Show Banner
$(".main_image .block").animate({ opacity: 0.85 }, 1 ); //Set Opacity

//Click and Hover events for thumbnail list
$(".image_thumb ul li:first").addClass('active'); 
$(".image_thumb ul li").click(function(){ 
	//Set Variables
	var imgAlt = $(this).find('img').attr("alt"); //Get Alt Tag of Image
	var imgTitle = $(this).find('a').attr("href"); //Get Main Image URL
	var imgDesc = $(this).find('.block').html(); 	//Get HTML of block
	var imgDescHeight = $(".main_image").find('.block').height();	//Calculate height of block	
	
	active_index = $(".image_thumb ul li").index(this)
	
	if ($(this).is(".active")) {  //If it's already active, then...
		return false; // Don't click through
	} else {
		//Animate the Teaser				
		$(".main_image .block").animate({ opacity: 0, marginBottom: -imgDescHeight }, 250 , function() {
			$(".main_image .block").html(imgDesc).animate({ opacity: 0.85,	marginBottom: "0" }, 250 );
			$(".main_image img").attr({ src: imgTitle , alt: imgAlt});
		});
	}
	
	$(".image_thumb ul li").removeClass('active'); //Remove class of 'active' on all lists
	$(this).addClass('active');  //add class of 'active' on this list only
	resetTimer()
	return false;
	
}) .hover(function(){
	$(this).addClass('hover');
	}, function() {
		$(this).removeClass('hover');
	});
	
	resetTimer();
	
});//Close Function

function resetTimer()
{
	if(typeof si != "undefined") window.clearInterval(si);
	if(auto_play) si = window.setInterval(nextThumb, slide_delay);
}

function nextThumb() 
{
	active_index++;
	if(active_index == $(".image_thumb ul li").length) {
		active_index = 0;
	}
	$(".image_thumb ul li:eq("+active_index+")").click();
}
