$(function() {
	
	var totalPanels			= $(".scrollContainer").children().size();
		
	var regWidth			= $(".panel").css("width");
	var regImgWidth			= $(".panel img").css("width");
	
	var movingDistance	    = 290;
	
	var curWidth			= 320;
	var curImgWidth			= 300;

	var $panels				= $('#slider .scrollContainer > div');
	var $container			= $('#slider .scrollContainer');
	var $infoBoxes			= $('#infoBoxes .infoBox');

	$panels.css({'float' : 'left','position' : 'relative', "padding": "15px 10px 10px 10px"});
	//$infoBoxes.hide("slide", { direction: "up" }, 1000);
    
	$("#slider").data("currentlyMoving", false);

	$container
		.css('width', ($panels[0].offsetWidth * $panels.length) + 100 )
		.css('left', "120px");

	var scroll = $('#slider .scroll').css('overflow', 'hidden');

	function returnToNormal(element) {
		$(element)
			.animate({ width: regWidth, "padding-top": "35px", "padding-left": "10px", "padding-bottom": "10px", "padding-right": "10px" })
			.find("img")
			.animate({ width: regImgWidth })
		    .end()
	};
	
	function growBigger(element) {
		$(element)
			.animate({ width: curWidth, "padding-top": "15px", "padding-left": "0px", "padding-bottom": "0px", "padding-right": "0px" })
			.find("img")
			.animate({ width: curImgWidth })
		    .end()
	}
	
	function showInfo(dir)
	{
		var theTop = parseFloat($(".infoBoxContainer").css("top"), 10);
		
		if(dir == "up")
		{
			var theNewTop = theTop - 310;
		}
		else {
			var theNewTop = theTop + 310;
		}
		
		$("#infoBoxContainer").animate({"top" : theNewTop}, 300);
	}
	
	//direction true = right, false = left
	function change(direction) {
	   
	    //if not at the first or last panel
		if((direction && !(curPanel < totalPanels)) || (!direction && (curPanel <= 1))) { return false; }	
        
        //if not currently moving
        if (($("#slider").data("currentlyMoving") == false)) {
            
			$("#slider").data("currentlyMoving", true);
			
			var next         = direction ? curPanel + 1 : curPanel - 1;
			var leftValue    = $(".scrollContainer").css("left");
			var movement	 = direction ? parseFloat(leftValue, 10) - movingDistance : parseFloat(leftValue, 10) + movingDistance;
		
			$(".scrollContainer")
				.stop()
				.animate({
					"left": movement
				}, function() {
					$("#slider").data("currentlyMoving", false);
				});
			
			returnToNormal("#panel_"+curPanel);
			growBigger("#panel_"+next);
			showInfo((curPanel > next ? "down" : "up"));
			
			curPanel = next;
			
			//remove all previous bound functions
			$("#panel_"+(curPanel+1)).unbind();	
			
			//go forward
			$("#panel_"+(curPanel+1)).click(function(){ change(true); });
			
            //remove all previous bound functions															
			$("#panel_"+(curPanel-1)).unbind();
			
			//go back
			$("#panel_"+(curPanel-1)).click(function(){ change(false); }); 
			
			//remove all previous bound functions
			$("#panel_"+curPanel).unbind();
		}
	}
	
	// Set up "Current" panel and next and prev
	growBigger("#panel_1");	
	var curPanel = 1;
	
	$("#panel_"+(curPanel+1)).click(function(){ change(true); });
	$("#panel_"+(curPanel-1)).click(function(){ change(false); });
	
	//when the left/right arrows are clicked
	$(".right").click(function(){ change(true); });	
	$(".left").click(function(){ change(false); });
	
	$(window).keydown(function(event){
	  switch (event.keyCode) {
			case 13: //enter
				$(".right").click();
				break;
			case 32: //space
				$(".right").click();
				break;
/*	    	case 36: //left arrow
				$(".left").click();
				break;
			case 38: //right arrow
				$(".right").click();
				break;*/
	  }
	});
	
});