$(function () {

    var totalPanels = $(".scrollContainer").children().size();

    var regWidth = $(".panel").css("width");
    var regImgWidth = $(".panel img").css("width");
    var regTitleSize = $(".panel h2").css("font-size");
    var regParSize = $(".panel p").css("font-size");

    var movingDistance = 500;

    var curWidth = regWidth;
    var curImgWidth = regImgWidth;
    var curTitleSize = regTitleSize;
    var curParSize = regParSize;

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

    /*$panels.css({'float' : 'left','position' : 'relative'});*/
    $panels.css({ 'float': 'left' });

    $("#slider").data("currentlyMoving", false);

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

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

    function returnToNormal(element) {
        //		$(element)
        //			.animate({ width: regWidth })
        //			.find("img")
        //			.animate({ width: regImgWidth })
        //		    .end()
        //			.find("h2")
        //			.animate({ fontSize: regTitleSize })
        //			.end()
        //			.find("p")
        //			.animate({ fontSize: regParSize });
    };

    function growBigger(element) {
        //		$(element)
        //			.animate({ width: curWidth })
        //			.find("img")
        //			.animate({ width: curImgWidth })
        //		    .end()
        //			.find("h2")
        //			.animate({ fontSize: curTitleSize })
        //			.end()
        //			.find("p")
        //			.animate({ fontSize: curParSize });
    }

    //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 - 70 : parseFloat(leftValue, 10) + movingDistance + 70;
            //movement = movement - 20;
//            alert(movement);
//            alert(leftValue);
//            alert(movingDistance);
            $(".scrollContainer")
				.stop()
				.animate({
				    "left": movement
				}, function () {
				    $("#slider").data("currentlyMoving", false);
				});

            //returnToNormal("#panel_"+curPanel);
            //growBigger("#panel_"+next);

            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_3");	
    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 37: //left arrow
                $(".left").click();
                break;
            case 39: //right arrow
                $(".right").click();
                break;
        }
    });

});