// SET THIS VARIABLE FOR DELAY, 1000 = 1 SECOND
var delayLength = 7000;

// expects nested divs as follows
//
// <div id="slider">
//   <div id="mover">
//      <div class="slide" id="slide-1">
//         <h1>...</h1>
//         <p>...</p>
//         <img.../>
//      </div>
//      <div class="slide"> ..... </div>
//      <div class="slide"> ..... </div>
//      <div class="slide"> ..... </div>
//      :
//   </div>
// </div>

function doMove(panelWidth, tooFar) {
	var leftValue = $("#mover").css("left");
	
	// Fix for IE
	if (leftValue == "auto") { leftValue = 0; };
	var movement = parseFloat(leftValue, 10) - panelWidth;
	
	if (movement == tooFar) {
		$(".slide img").stop().animate({
			"top": -200
		}, function() {
			$('.slide img').hide(), 
			$("#mover").stop().animate({
				"left": 0
			}, function() {
				$('.slide img').show(),
				$(".slide img").stop().animate({
					"top": 10
				});
			});
		});
	}
	else {
		$(".slide img").stop().animate({
			"top": -200
		}, function() {
			$('.slide img').fadeTo(200, 1.0).hide(), 
			$("#mover").stop().animate({
				"left": movement
			}, function() {
				$('.slide img').show(),
				$(".slide img").stop().animate({
					"top": 10
				});
			});
		});
	}
}

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

	var isIE = document.all;
	var fudgeIE = 0;
	if(isIE) fudgeIE = -20;
	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 + fudgeIE;
	
	var numPanels = $(".slide").length;
	var tooFar = -(panelWidth * numPanels);
	var totalMoverwidth = numPanels * panelWidth;
	$("#mover").css("width", totalMoverwidth);

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

	sliderIntervalID = setInterval(function(){
		doMove(panelWidth, tooFar);
	}, delayLength);

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