// JCAROUSEL

(function($) {                                          // Compliant with jquery.noConflict()
$.fn.jCarouselLite = function(o) {
    o = $.extend({
        btnPrev: null,
        btnNext: null,
        btnGo: null,
        mouseWheel: false,
        auto: null,

        speed: 200,
        easing: null,

        vertical: false,
        circular: true,
        visible: 3,
        start: 0,
        scroll: 1,

        beforeStart: null,
        afterEnd: null
    }, o || {});

    return this.each(function() {                           // Returns the element collection. Chainable.

        var running = false, animCss=o.vertical?"top":"left", sizeCss=o.vertical?"height":"width";
        var div = $(this), ul = $("ul", div), tLi = $("li", ul), tl = tLi.size(), v = o.visible;

        if(o.circular) {
            ul.prepend(tLi.slice(tl-v-1+1).clone())
              .append(tLi.slice(0,v).clone());
            o.start += v;
        }

        var li = $("li", ul), itemLength = li.size(), curr = o.start;
      

        var liSize = 430;   // Full li size(incl margin)-Used for animation
        var ulSize = liSize * itemLength;		// size of full ul(total length, not just for the visible items)
        var divSize = 430;		// size of entire div(total length for just the visible items)

        ul.css(sizeCss, ulSize+"px").css(animCss, -(curr*liSize));

    
        if(o.btnPrev)
            $(o.btnPrev).click(function() {
                return go(curr-o.scroll);
            });

        if(o.btnNext)
            $(o.btnNext).click(function() {
                return go(curr+o.scroll);
            });

        if(o.btnGo)
            $.each(o.btnGo, function(i, val) {
                $(val).click(function() {
                    return go(o.circular ? o.visible+i : i);
                });
            });

        if(o.mouseWheel && div.mousewheel)
            div.mousewheel(function(e, d) {
                return d>0 ? go(curr-o.scroll) : go(curr+o.scroll);
            });

        if(o.auto)
            setInterval(function() {
                go(curr+o.scroll);
            }, o.auto+o.speed);

        function vis() {
            return li.slice(curr).slice(0,v);
        };

        function go(to) {
            if(!running) {

                if(o.beforeStart)
                    o.beforeStart.call(this, vis());

                if(o.circular) {            // If circular we are in first or last, then goto the other end
                    if(to<=o.start-v-1) {           // If first, then goto last
                        ul.css(animCss, -((itemLength-(v*2))*liSize)+"px");
                        // If "scroll" > 1, then the "to" might not be equal to the condition; it can be lesser depending on the number of elements.
                        curr = to==o.start-v-1 ? itemLength-(v*2)-1 : itemLength-(v*2)-o.scroll;
                    } else if(to>=itemLength-v+1) { // If last, then goto first
                        ul.css(animCss, -( (v) * liSize ) + "px" );
                        // If "scroll" > 1, then the "to" might not be equal to the condition; it can be greater depending on the number of elements.
                        curr = to==itemLength-v+1 ? v+1 : v+o.scroll;
                    } else curr = to;
                } else {                    // If non-circular and to points to first or last, we just return.
                    if(to<0 || to>itemLength-v) return;
                    else curr = to;
                }                           // If neither overrides it, the curr will still be "to" and we can proceed.

                running = true;

                ul.animate(
                    animCss == "left" ? { left: -(curr*liSize) } : { top: -(curr*liSize) } , o.speed, o.easing,
                    function() {
                        if(o.afterEnd)
                            o.afterEnd.call(this, vis());
                        running = false;
                    }
                );
                // Disable buttons when the carousel reaches the last/first, and enable when not
                if(!o.circular) {
                    $(o.btnPrev + "," + o.btnNext).removeClass("disabled");
                    $( (curr-o.scroll<0 && o.btnPrev)
                        ||
                       (curr+o.scroll > itemLength-v && o.btnNext)
                        ||
                       []
                     ).addClass("disabled");
                }

            }
            return false;
        };
    });
};

function css(el, prop) {
    return parseInt($.css(el[0], prop)) || 0;
};
function width(el) {
    return  el[0].offsetWidth + css(el, 'marginLeft') + css(el, 'marginRight');
};
function height(el) {
    return el[0].offsetHeight + css(el, 'marginTop') + css(el, 'marginBottom');
};

})(jQuery);

// SCROLLTO

/**
 * jQuery.ScrollTo - Easy element scrolling using jQuery.
 * Copyright (c) 2007-2009 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com
 * Dual licensed under MIT and GPL.
 * Date: 3/9/2009
 * @author Ariel Flesler
 * @version 1.4.1
 *
 * http://flesler.blogspot.com/2007/10/jqueryscrollto.html
 */
;(function($){var m=$.scrollTo=function(b,h,f){$(window).scrollTo(b,h,f)};m.defaults={axis:'xy',duration:parseFloat($.fn.jquery)>=1.3?0:1};m.window=function(b){return $(window).scrollable()};$.fn.scrollable=function(){return this.map(function(){var b=this,h=!b.nodeName||$.inArray(b.nodeName.toLowerCase(),['iframe','#document','html','body'])!=-1;if(!h)return b;var f=(b.contentWindow||b).document||b.ownerDocument||b;return $.browser.safari||f.compatMode=='BackCompat'?f.body:f.documentElement})};$.fn.scrollTo=function(l,j,a){if(typeof j=='object'){a=j;j=0}if(typeof a=='function')a={onAfter:a};if(l=='max')l=9e9;a=$.extend({},m.defaults,a);j=j||a.speed||a.duration;a.queue=a.queue&&a.axis.length>1;if(a.queue)j/=2;a.offset=n(a.offset);a.over=n(a.over);return this.scrollable().each(function(){var k=this,o=$(k),d=l,p,g={},q=o.is('html,body');switch(typeof d){case'number':case'string':if(/^([+-]=)?\d+(\.\d+)?(px)?$/.test(d)){d=n(d);break}d=$(d,this);case'object':if(d.is||d.style)p=(d=$(d)).offset()}$.each(a.axis.split(''),function(b,h){var f=h=='x'?'Left':'Top',i=f.toLowerCase(),c='scroll'+f,r=k[c],s=h=='x'?'Width':'Height';if(p){g[c]=p[i]+(q?0:r-o.offset()[i]);if(a.margin){g[c]-=parseInt(d.css('margin'+f))||0;g[c]-=parseInt(d.css('border'+f+'Width'))||0}g[c]+=a.offset[i]||0;if(a.over[i])g[c]+=d[s.toLowerCase()]()*a.over[i]}else g[c]=d[i];if(/^\d+$/.test(g[c]))g[c]=g[c]<=0?0:Math.min(g[c],u(s));if(!b&&a.queue){if(r!=g[c])t(a.onAfterFirst);delete g[c]}});t(a.onAfter);function t(b){o.animate(g,j,a.easing,b&&function(){b.call(this,l,a)})};function u(b){var h='scroll'+b;if(!q)return k[h];var f='client'+b,i=k.ownerDocument.documentElement,c=k.ownerDocument.body;return Math.max(i[h],c[h])-Math.min(i[f],c[f])}}).end()};function n(b){return typeof b=='object'?b:{top:b,left:b}}})(jQuery);


// TABS

function generateSprites(parent, selectedPrefix, setActive, hoverSpeed, style) {
	// throw the parent object's class into a variable
	var parentClass = $(parent).attr("class");

	// start a loop that cycles through each of the li elements inside the parent element
	$(parent).children("li").each(function() {
		// create a few variables that we'll need during this function:
		// myClass = the class of the object we're currently inspecting
		// current = what the selected class should look like for the parent of the object we're currently inspecting
		var myClass = ($(this).attr("class"))
		var current = parent.substring(1) + " current-" + ($(this).attr("class"));

		// turn on nav events for element this loop identifies
		attachNavEvents(parent, myClass, setActive, hoverSpeed, style);
	
		// let's hide the CSS-defined background image, but only if this isn't the currently-selected item
		if (parentClass != current) {
			$(this).children("a").css({backgroundImage:"none"});
		}

	});
}


function attachNavEvents(parent, myClass, setActive, hoverSpeed, style) {
	$(parent + " ." + myClass).mouseover(function() {
		// create pseudo-link
		$(this).append('<div class="nav-' + myClass + '"></div>');
		// either slide or fade, depending on the style value
		if (style == "slide") {
			// slide down the pseudo-link
			$("div.nav-" + myClass).css({display:"none"}).slideDown(hoverSpeed);
		} else if (style == "animate") {

			// animate the pseudo-link
			$("div.nav-" + myClass)
				.css({opacity:"0", height:"0px", top:"25px"})
				.animate({opacity:"1"}, {queue:false, duration:hoverSpeed/2})
				.animate({top:"0px"},{queue:false, duration:hoverSpeed/2})
				.animate({height:"68px"}, hoverSpeed/2);

		} else {
			// fade in the pseudo-link
			$("div.nav-" + myClass).css({display:"none"}).fadeIn(hoverSpeed);
		}
	}).mouseout(function() {
		// either slide or fade, depending on the style value
		if (style == "slide") {
			// slide up & destroy pseudo-link
			$("div.nav-" + myClass).slideUp(hoverSpeed, function() {
				$(this).remove();
			});
		} else if (style == "animate") {

			// animate & destroy pseudo-link
			$("div.nav-" + myClass)
				.css({opacity:"0", height:"68px", top:"0px"})
				.animate({opacity:"0"}, {queue:false, duration:hoverSpeed/2})
				.animate({height:"0px"},{queue:false, duration:hoverSpeed/2}, function(){
					$(this).remove();
				});

		} else {
			// fade out & destroy pseudo-link
			$("div.nav-" + myClass).fadeOut(hoverSpeed, function() {
				$(this).remove();
			});
		}
	});

	// we only want to check the mousedown/up events if the CSS exists for :active states
	// if so, let's apply our selective filtering to undo the events above
	if (setActive) {
		$(parent + " ." + myClass).mousedown(function() {
			$("div.nav-" + myClass).attr("class", "nav-" + myClass + "-click");
		}).mouseup(function() {
			$("div.nav-" + myClass + "-click").attr("class", "nav-" + myClass);
		});
	}
}

// EASING EFFECT FOR DESCRIPTION BOX FOR WORK SAMPLES

/*
 * jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/
 *
*/
// t: current time, b: begInnIng value, c: change In value, d: duration
jQuery.easing['jswing'] = jQuery.easing['swing'];

jQuery.extend( jQuery.easing,
{
	def: 'easeOutQuad',
	swing: function (x, t, b, c, d) {
		//alert(jQuery.easing.default);
		return jQuery.easing[jQuery.easing.def](x, t, b, c, d);
	},
	easeInQuad: function (x, t, b, c, d) {
		return c*(t/=d)*t + b;
	},
	easeOutQuad: function (x, t, b, c, d) {
		return -c *(t/=d)*(t-2) + b;
	},
	easeInOutQuad: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t + b;
		return -c/2 * ((--t)*(t-2) - 1) + b;
	},
	easeInCubic: function (x, t, b, c, d) {
		return c*(t/=d)*t*t + b;
	},
	easeOutCubic: function (x, t, b, c, d) {
		return c*((t=t/d-1)*t*t + 1) + b;
	},
	easeInOutCubic: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t + b;
		return c/2*((t-=2)*t*t + 2) + b;
	},
	easeInQuart: function (x, t, b, c, d) {
		return c*(t/=d)*t*t*t + b;
	},
	easeOutQuart: function (x, t, b, c, d) {
		return -c * ((t=t/d-1)*t*t*t - 1) + b;
	},
	easeInOutQuart: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t*t + b;
		return -c/2 * ((t-=2)*t*t*t - 2) + b;
	},
	easeInQuint: function (x, t, b, c, d) {
		return c*(t/=d)*t*t*t*t + b;
	},
	easeOutQuint: function (x, t, b, c, d) {
		return c*((t=t/d-1)*t*t*t*t + 1) + b;
	},
	easeInOutQuint: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b;
		return c/2*((t-=2)*t*t*t*t + 2) + b;
	},
	easeInSine: function (x, t, b, c, d) {
		return -c * Math.cos(t/d * (Math.PI/2)) + c + b;
	}
});

