// SET THIS VARIABLE FOR DELAY, 1000 = 1 SECOND
var delayLength = 9000;
var allowMove = true;
	
function doMove(panelWidth, tooFar) {
  if(allowMove) {
    allowMove = false;
	$("#slider-forward").css('display', 'none');
	setTimeout(function() { allowMove = true; $("#slider-forward").css('display', 'block'); }, 3100);
	var leftValue = $("#mover").css("left");
	var heightValue = $(".slide img").css("height");
	
	// Fix for IE
	if (leftValue == "auto") { leftValue = 0; };
	
	var movement = parseFloat(leftValue, 10) - panelWidth;
	var movement2 = parseFloat(heightValue, 10) * -1;
	
	if (movement == tooFar) {
		$(".slide img").animate({
			"top": movement2
		}, function() {
			$("#mover").animate({
				"left": 0
			}, function() {
				$(".slide img").animate({
					"top": 0
				});
			});
		});
	}
	else {
		$(".slide img").animate({
			"top": movement2
		}, function() {
			$("#mover").animate({
				"left": movement
			}, function() {
				$(".slide img").animate({
					"top": 0
				});
			});
		});
	}
  }
}

$(function(){
	
    var $slide1 = $("#slide-1");

	var panelWidth = $slide1.css("width");
	var panelPaddingLeft = $slide1.css("paddingLeft");
	var panelPaddingRight = $slide1.css("paddingRight");

	panelWidth = parseFloat(panelWidth, 10);
	panelPaddingLeft = parseFloat(panelPaddingLeft, 10);
	panelPaddingRight = parseFloat(panelPaddingRight, 10);

	panelWidth = panelWidth + panelPaddingLeft + panelPaddingRight;
	
	var numPanels = $(".slide").length;
	var tooFar = -(panelWidth * numPanels);
	var totalMoverwidth = numPanels * panelWidth; 
	$("#mover").css("width", totalMoverwidth);

	sliderIntervalID = setInterval(function(){
		doMove(panelWidth, tooFar);
	}, delayLength);
	
	$("#slider-stopper").click(function(){
		if ($(this).attr('src').indexOf("tl_files/system/images/slider_stop.jpg") != -1) {
			clearInterval(sliderIntervalID);
		 	$(this).attr('src', 'tl_files/system/images/slider_start.jpg');
		}
		else {
			sliderIntervalID = setInterval(function(){
				doMove(panelWidth, tooFar);
			}, delayLength);
		 	$(this).attr('src', "tl_files/system/images/slider_stop.jpg");
		}
		 
	});

	$("#slider-forward").click(function(){
		doMove(panelWidth, tooFar);
		clearInterval(sliderIntervalID);
		$("#slider-stopper").attr("src","tl_files/system/images/slider_start.jpg");
	});
	
		$("#mover").animate({
				"top": 1
			});
	
});