// SET THIS VARIABLE FOR DELAY, 1000 = 1 SECOND
var delayLength = 7500;
var currentSlide = 0;
var sliderIntervalID = null;

function doMove(panelWidth, tooFar) {
	currentSlide++;
	updateIndicator();
	var leftValue = $("#mover").css("left");
	
	// Fix for IE
	if (leftValue == "auto") { leftValue = 0; };
	
	var movement = parseFloat(leftValue, 10) - panelWidth;
	
	if (movement == tooFar) {
		$(".slide img").animate({
			"top": 5
		}, function() {
			$("#mover").animate({
				"left": 0
			}, function() {
				$(".slide img").animate({
					"top": 5
				});
			});
		});
	}
	else {
		$(".slide img").animate({
			"top": 5
		}, function() {
			$("#mover").animate({
				"left": movement
			}, function() {
				$(".slide img").animate({
					"top": 5
				});
			});
		});
	}
	var leftValue = $("#mover").css("left");

}
function updateIndicator() {
	if(currentSlide >= ($(".slide").length)) currentSlide = 0;
	$('.indicator').each(function(i,o) {
			o.src = o.src.replace(/\orange/, 'grey');
		});
	var ind = $(".indicator")[currentSlide];
	ind.src = ind.src.replace(/\grey/, 'orange');
}
function moveHere(newLeft) {
	clearInterval(sliderIntervalID);
	$("#slider-stopper").text("Play");
	currentSlide = newLeft;
	updateIndicator();

    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;

	panelWidth = -(panelWidth * newLeft);
		$(".slide img").animate({
			"top": 5
		}, function() {
			$("#mover").animate({
				"left": panelWidth
			}, function() {
				$(".slide img").animate({
					"top": 5
				});
			});
		});

}
$(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);

	$("#slider").append('<a id="slider-stopper">Pause</a>');

	sliderIntervalID = setInterval(function(){
		doMove(panelWidth, tooFar);
	}, delayLength);
	$("#slider-stopper").click(function(){
		if ($(this).text() == "Pause") {
			clearInterval(sliderIntervalID);
		 	$(this).text("Play");
		}
		else {
			sliderIntervalID = setInterval(function(){
				doMove(panelWidth, tooFar);
			}, delayLength);
		 	$(this).text("Pause");
		}
		 
	});

});