// SET THIS VARIABLE FOR DELAY, 1000 = 1 SECOND
var delayLength = 15000;
	
function moveLeft(panelWidth, tooFar) {
	var leftValue = $("#mover").css("left");
	// for IE
	if (leftValue == "auto") { leftValue = 0; };
	var movement = parseFloat(leftValue, 10) - panelWidth;
	if (movement <= tooFar) movement = 0;
	$("#mover").animate({
		"left": movement
	});
}
function moveRight(panelWidth, tooFar) {
	var leftValue = $("#mover").css("left");
	// for IE
	if (leftValue == "auto") { leftValue = 0; };
	var movement = parseFloat(leftValue, 10) + panelWidth;
	if (movement > 0) movement = 0;
	$("#mover").animate({
		"left": movement
	});
}

$(function(){
  var $slide1 = $(".banner:first");

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

	intervalID = setInterval(function(){
		moveLeft(panelWidth, tooFar);
	}, delayLength);

	$("#banners-next").click(function(){
		moveLeft(panelWidth, tooFar);
	});
	$("#banners-prev").click(function(){
		moveRight(panelWidth, tooFar);
	});

});