function screenReady() {

	$(".item").click(function() {

		active = $(this);
		if (active.hasClass('active'))
			return false;

		$(".mediacontainer").each(function() {
			$(this).hide();
		});
		var type = active.attr('content');

		$("." + active.attr('content')).show();

		$(".item").each(function() {
			if ($(this).hasClass('active'))
				$(this).removeClass('active');
		});

		active.addClass('active');
		
		if (type == 'image') {
			var img = $("#screenshot");

			img.fadeTo("fast", 0, function() {
				img.attr('src', active.attr("screenshot"));
			});

			img.load(function() {
				img.fadeTo("fast", 1);
			});
		}

	});

	$("#screenshot").click(function() {
		var items = $(".item");
		if (items.size() <= 1)
			return false;

		var self = false;

		items.each(function() {
			if ($(this).hasClass('active')) {
				self = true;
			} else if (self) {
				self = false;
				$(this).click();
			}

		});

		if (self) {
			items.eq(0).click();
		}
	});
}

var scrolltotop = {
	setting : {
		startline : 600,
		scrollto : 0,
		scrollduration : 1000,
		fadeduration : [ 500, 100 ]
	},
	controlHTML : '<div class="s2"><div class="s3"><button class="y0 y2"></button></div></div>',
	controlattrs : {
		offsetx : 5,
		offsety : 5
	},
	anchorkeyword : '#top',
	state : {
		isvisible : false,
		shouldvisible : false
	},
	scrollup : function() {
		if (!this.cssfixedsupport)
			this.$control.css( {
				opacity : 0
			})
		var dest = isNaN(this.setting.scrollto) ? this.setting.scrollto
				: parseInt(this.setting.scrollto)
		if (typeof dest == "string" && jQuery('#' + dest).length == 1)
			dest = jQuery('#' + dest).offset().top
		else
			dest = 0
		this.$body.animate( {
			scrollTop : dest
		}, this.setting.scrollduration);
	},
	keepfixed : function() {
		var $window = jQuery(window)
		var controlx = $window.scrollLeft() + $window.width()
				- this.$control.width() - this.controlattrs.offsetx
		var controly = $window.scrollTop() + $window.height()
				- this.$control.height() - this.controlattrs.offsety
		this.$control.css( {
			left : controlx + 'px',
			top : controly + 'px'
		})
	},
	togglecontrol : function() {
		var scrolltop = jQuery(window).scrollTop()
		if (!this.cssfixedsupport)
			this.keepfixed()
		this.state.shouldvisible = (scrolltop >= this.setting.startline) ? true
				: false
		if (this.state.shouldvisible && !this.state.isvisible) {
			this.$control.stop().animate( {
				opacity : 1
			}, this.setting.fadeduration[0])
			this.state.isvisible = true
		} else if (this.state.shouldvisible == false && this.state.isvisible) {
			this.$control.stop().animate( {
				opacity : 0
			}, this.setting.fadeduration[1])
			this.state.isvisible = false
		}
	},
	init : function() {
		jQuery(document)
				.ready(
						function($) {
							var mainobj = scrolltotop
							var iebrws = document.all
							mainobj.cssfixedsupport = !iebrws || iebrws
									&& document.compatMode == "CSS1Compat"
									&& window.XMLHttpRequest
							mainobj.$body = (window.opera) ? (document.compatMode == "CSS1Compat" ? $('html')
									: $('body'))
									: $('html,body')
							mainobj.$control = $(
									'<div id="topcontrol">' + mainobj.controlHTML + '</div>')
									.css(
											{
												position : mainobj.cssfixedsupport ? 'fixed'
														: 'absolute',
												bottom : mainobj.controlattrs.offsety,
												right : mainobj.controlattrs.offsetx,
												opacity : 0,
												cursor : 'pointer'
											}).attr( {
										title : 'Scroll Back to Top'
									}).click(function() {
										mainobj.scrollup();
										return false
									}).appendTo('body')
							if (document.all && !window.XMLHttpRequest
									&& mainobj.$control.text() != '')
								mainobj.$control.css( {
									width : mainobj.$control.width()
								})
							mainobj.togglecontrol()
							$('a[href="' + mainobj.anchorkeyword + '"]').click(
									function() {
										mainobj.scrollup()
										return false
									})
							$(window).bind('scroll resize', function(e) {
								mainobj.togglecontrol()
							})
						})
	}
}
scrolltotop.init()