(function() {
	if( !''.trim ) String.prototype.trim = function() { return this.replace( /(^\s+|\s+$)/g, '' ); };

	$.create =
		function( tagName ) {
			if( document.createElementNS ) return $( document.createElementNS( 'http://www.w3.org/1999/xhtml', tagName ) );
			else return $( document.createElement( tagName ) );
		};

	window.Current = {
		BasePath: '/calculators/tiphysics',
		Website: {
			ID: 'US',
			DisplayName: 'US and Canada',
			Language: 'en',
			SearchWatermark: 'Enter Keywords',
			DateFormat: 'MM/DD/YYYY',
			TimeFormat: '12'
		}
	};

	var ajax = function( url, params, callback ) {
		callback = callback ||
			function( data, textStatus, request ) {

			};

		$.ajax( {
			type: 'POST',
			contentType: 'application/json; charset=utf-8',
			url: '/calculators/tiphysics/US' + url,
			data: Sys.Serialization.JavaScriptSerializer.serialize( params ),
			dataType: 'json',
			success: function( data, textStatus, request ) {
				callback( data, textStatus, request );
			},
			error: function( request, textStatus, errorThrown ) {
				Dialog.Notify.Open( { heading: 'Error', text: 'An unexpected system error has occurred while processing your request. Please go back and try again.' } );
			}
		} );
	};

	window.Ajax = {
		Authentication: {
			LogIn: function( username, password, callback ) {
				ajax( '/Ajax/Authentication.asmx/LogIn', { username: username, password: password }, callback );
			}
		},
		Activities: {
			Recommend: function( activityId, callback ) {
				ajax( '/Ajax/Activities.asmx/Recommend', { activityId: activityId }, callback );
			},
			Save: function( activityId, callback ) {
				ajax( '/Ajax/Activities.asmx/Save', { activityId: activityId }, callback );
			},
			Unsave: function( activityId, callback ) {
				ajax( '/Ajax/Activities.asmx/Unsave', { activityId: activityId }, callback );
			},
			GroupList: function( callback ) {
				ajax( '/Ajax/Activities.asmx/GroupList', {}, callback );
			},
			GroupRemove: function( groupId, callback ) {
				ajax( '/Ajax/Activities.asmx/GroupRemove', { groupId: groupId }, callback );
			},
			GroupCreate: function( groupName, activityIds, callback ) {
				ajax( '/Ajax/Activities.asmx/GroupCreate', { groupName: groupName, activityIds: activityIds }, callback );
			},
			AddToGroup: function( groupId, activityIds, callback ) {
				ajax( '/Ajax/Activities.asmx/AddToGroup', { groupId: groupId, activityIds: activityIds }, callback );
			},
			RemoveFromGroup: function( groupId, activityIds, callback ) {
				ajax( '/Ajax/Activities.asmx/RemoveFromGroup', { groupId: groupId, activityIds: activityIds }, callback );
			},
			SubmitTextbook: function( title, publisher, edition, publishDate, comments, callback ) {
				ajax( '/Ajax/Activities.asmx/SubmitTextbook', { title: title, publisher: publisher, edition: edition, publishDate: publishDate, comments: comments }, callback );
			},
			EmailAFriend: function( fromName, fromEmail, toName, toEmail, subject, body, recaptchaChallenge, recaptchaResponse, activityIds, callback ) {
				ajax( '/Ajax/Activities.asmx/EmailAFriend', { fromName: fromName, fromEmail: fromEmail, toName: toName, toEmail: toEmail, subject: subject, body: body, recaptchaChallenge: recaptchaChallenge, recaptchaResponse: recaptchaResponse, activityIds: activityIds }, callback );
			}
		}
	};

	var dlg = function (key, title) {
		var dlg;
		var defaultWidth = 300;
		return {
			Open: function (params) {
				if (dlg) {
					if (dlg.dialog('isOpen')) dlg.dialog('close');

					dlg
					.addClass('loading')
					.triggerHandler('setParams', [params || {}]);
					$window.triggerHandler('style');
					dlg.triggerHandler('style');

					dlg
					.removeClass('loading')
					.dialog('option', 'position', 'center')
					.dialog('open');
				} else {
					dlg =
						$.create('div')
						.dialog({
							autoOpen: true,
							width: defaultWidth,
							resizable: false,
							closeText: 'Close Window',
							modal: true,
							title: title,
							open: function () {
								if ($.browser.msie && $.browser.version == '6.0') $('#site-wrapper select,#site-wrapper iframe').css({ visibility: 'hidden' });
							},
							close: function () {
								if ($.param.fragment() == key) $.bbq.removeState();
								if ($.browser.msie && $.browser.version == '6.0') $('#site-wrapper select,#site-wrapper iframe').css({ visibility: 'visible' });
							}
						})
						.addClass('loading')
						.bind('style', function () {
							var result = /^(\d+)px$/.exec(dlg.children('div').eq(0).css('width'));
							var w = null;
							if (result) w = parseInt(result[1], 10);
							if (isNaN(w)) w = defaultWidth;
							else w += 18;
							if (w < defaultWidth) w = defaultWidth;
							dlg.dialog('option', { width: w });
						});

					$window.data('dialog-' + key, dlg);

					dlg.load('/calculators/tiphysics/US/html/' + key + '.html', function () {
						setTimeout(function () {
							dlg
							.triggerHandler('setParams', [params || {}]);
							$window.triggerHandler('style');
							dlg.triggerHandler('style');

							dlg
							.removeClass('loading')
							.dialog('option', 'position', 'center')
							.triggerHandler('dialogopen');
						}, 0);
					});
				}
			},
			Close: function () {
				if (dlg && dlg.dialog('isOpen')) dlg.dialog('close');
			},
			IsOpen: function () {
				return (dlg && dlg.dialog('isOpen'));
			}
		};
	};

	/*************************
	* Added by Penwoodtech
	**************************/
	var dlgCollection = function( key, title ) {
		var dlg;
		return {
			Open: function( params ) {				
				if( dlg ) {
					if( dlg.dialog( 'isOpen' ) ) dlg.dialog( 'close' );
					dlg.addClass( 'loading' ).triggerHandler( 'setParams', [ params || {} ] );
					$window.triggerHandler( 'style' );
					dlg	
					.dialog( 'option', 'title', title )
					.dialog( 'option', 'dialogClass', 'dlg-add-remove-activity' )
					.dialog( 'option', 'position', params.position )
					.removeClass( 'loading' )					
					.dialog( 'open' );
				} else {	
					dlg =
						$.create( 'div' )
						.dialog( {
							autoOpen: true,
							width: 'auto',
							resizable: false,
							draggable: false,
							closeText: 'Close Window',							
							title: title,
							open: function () {
								if( $.browser.msie && $.browser.version == '6.0' ) $( '#site-wrapper select,#site-wrapper iframe' ).css( { visibility: 'hidden' } );
							},
							close: function () {
								if( $.param.fragment() == key ) $.bbq.removeState();
								if( $.browser.msie && $.browser.version == '6.0' ) $( '#site-wrapper select,#site-wrapper iframe' ).css( { visibility: 'visible' } );
							}
						} )
						.addClass( 'loading' );		
					
					$window.data( 'dialog-' + key, dlg );
					dlg.load( '/calculators/tiphysics/US/html/' + key + '.html', function() {
						setTimeout( function() {
							dlg.triggerHandler( 'setParams', [ params || {} ] );
							$window.triggerHandler( 'style' );
							dlg							
							.dialog( 'option', 'title', title )
							.dialog( 'option', 'dialogClass', 'dlg-add-remove-activity' )
							.dialog( 'option', 'position', params.position )
							.removeClass( 'loading' )
							.triggerHandler( 'dialogopen' );
						}, 0 );						
					} );
				}
			},
			Close: function() {
				if( dlg && dlg.dialog( 'isOpen' ) ) dlg.dialog( 'close' );
			},
			IsOpen: function() {
				return ( dlg && dlg.dialog( 'isOpen' ) );
			}
		};
	};
	/* **************************** */
	
	window.Dialog = {
		LogIn: dlg( 'login', 'Sign In' ),
		SubmitTextbook: dlg( 'submit-textbook', 'Textbook' ),
		ReportIssue: dlg( 'report-issue', 'Report an Issue' ),
		AddToGroup: dlg( 'add-to-group', 'Add to Activity Set' ),
		Notify: dlg( 'notify', 'Notice' ),
		EmailAFriend: dlg( 'email-a-friend', 'Email a friend' ),	
		
		/*************************
		* Added by Penwoodtech
		**************************/
		PreviewVideo: dlg( 'preview-video', 'Preview' ),
		PreviewImage: dlg( 'preview-image', 'Preview' ),
		Standards: dlg('standards', 'Alignment'),
		AddRemoveActivity: dlgCollection('add-remove-activity', 'My Activities')
		/*************************/
	};
} )();

$(function() {
	window.$window = $( window );
	window.$body = $( document.body );

	var pageRequestManager = Sys.WebForms.PageRequestManager.getInstance();
	var loggedIn = $( 'body.logged-in' ).length > 0;

	$window
	.bind( 'style', function() {
		$( 'body *' ).removeClass( 'first-child last-child' );
		$( 'tr, td' ).removeClass( 'odd even' );
		$( 'input' ).removeClass( 'button checkbox radio submit file text reset' );

		$( 'body :first-child' ).addClass( 'first-child' );
		$( 'body :last-child' ).addClass( 'last-child' );

		$( 'tr:nth-child(odd), li:nth-child(odd)' ).addClass( 'odd' );
		$( 'tr:nth-child(even), li:nth-child(even)' ).addClass( 'even' );

		$( 'input:button' ).addClass( 'button' );
		$( 'input:checkbox' ).addClass( 'checkbox' );
		$( 'input:radio' ).addClass( 'radio' );
		$( 'input:submit' ).addClass( 'submit' );
		$( 'input:file' ).addClass( 'file' );
		$( 'input:text' ).addClass( 'text' );
		$( 'input:reset' ).addClass( 'reset' );

		$( 'table' ).attr( { cellSpacing: 0, cellPadding: 0 } );

		$( '#navigation-primary > li, #related-sites, input:submit' )
		.each( function() {
			var t = $(this);
			var e = t.data( 'events' );
			if( e && e[ 'hover' ] ) return;
			t.hover(
				function() { t.addClass( 'hover' ); },
				function() { t.removeClass( 'hover' ); }
			);
		} );
	} );

	$( '#navigation-primary' )
	.hover(
		function() {
			if( $.browser.msie && $.browser.version == '6.0' ) $( '#site-wrapper select,#site-wrapper iframe' ).css( { visibility: 'hidden' } );
		},
		function() {
			if( $.browser.msie && $.browser.version == '6.0' ) $( '#site-wrapper select,#site-wrapper iframe' ).css( { visibility: 'visible' } );
		}
	);

	pageRequestManager.add_pageLoaded( function( sender, e ) {
		$window.triggerHandler( 'style' );
	} );

	$( '#site-search input:text' ).data( 'Watermark', Current.Website.SearchWatermark );
	$( '.form-line input:text' ).data( 'Watermark', 'Enter Keywords' );

	$( ':text' )
	.filter( function() { return $(this).data( 'Watermark' ); } )
	.bind( 'WatermarkShow', function() { var $t = $(this); if( $t.val() === '' ) $t.val( $t.data( 'Watermark' ) ); })
	.bind( 'WatermarkHide', function() { var $t = $(this); if( $t.val() === $t.data( 'Watermark' ) ) $t.val( '' ); })
	.blur( function() { $(this).triggerHandler( 'WatermarkShow' ); } )
	.focus( function() { $(this).triggerHandler( 'WatermarkHide' ); } )
	.blur();

	$( 'form' )
	.submit( function() { $( ':text', this ).triggerHandler( 'WatermarkHide' ); } );

	if( !loggedIn ) {
		var logInOutLink = $( '#navigation-account > li:last-child > a:eq(0)' );

		var chs = [];
		var hookup =
			function( selector, optional, callback ) {
				var ch;
				var cb =
					function( user ) {
						$body.removeClass( 'logged-out' ).addClass( 'logged-in' );
						loggedIn = true;
						logInOutLink.text( 'Sign Out' ).attr( { href: 'http://epsstore.ti.com/OA_HTML/TIibeCZzpEntry.jsp\u003fsiteref=http%3a%2f%2feducation%2eti%2ecom%2fcalculators%2ftiphysics/&target=signout&cid=US&minisite=10023&respid=22372' } );

						$.each( chs, function() { $( 'a' ).unbind( 'click', this ); } );

						if( callback ) {
							callback( user );
						} else {
							var $t;
							if( selector instanceof jQuery ) $t = selector;
							else $t = $(selector);

							var href = $t.attr( 'href' );
							var target = $t.attr( 'target' );
							$t.triggerHandler( 'click' );
							if( href ) {
								if( target ) {
									var w = window.open( href, target );
									if( !w ) location.href = href;
								} else {
									if( href != '#' ) location.href = href;
								}
							}
						}
					};
				ch =
					function( e ) {
						selector = $(this);
						if( optional && ( $.cookie( 'axdc-guest' ) == '1' ) ) return;
						e.preventDefault();
						e.stopImmediatePropagation();
						Dialog.LogIn.Open( { optional: optional, callback: cb } );
					};
				chs.push( ch );
				$(selector).click( ch );
			};

		if( $.cookie( 'axdc-guest' ) != '1' ) hookup( 'a[rel~="login-optional"]', true );
		hookup( 'a[rel~="login-mandatory"]', false );

		hookup( logInOutLink, false, function() { location.reload(); } );
	}	

	$( '.section-software-search tbody, .section-guidebooks-search tbody, #my-software tbody, #my-guidebooks tbody, #my-activities-landing tbody' )
	.bind( 'collapse', function() {
		$(this)
		.removeClass( 'expanded' )
		.addClass( 'collapsed' );
	} )
	.bind( 'expand', function() {
		$(this)
		.removeClass( 'collapsed' )
		.addClass( 'expanded' )
		.closest( 'table' )
		.children( 'tbody' )
		.not( this )
		.each( function() { $(this).triggerHandler( 'collapse' ); } );
	} );

	$( '.search-advanced tbody' )
	.each( function(index, e) {
		if( !($(this).hasClass( 'collapsed' ) || $(this).hasClass( 'expanded' ) ) ) {
			$(this).addClass( 'expanded' );
		}
	} )
	.bind( 'collapse', function() {
		$(this)
		.removeClass( 'expanded' )
		.addClass( 'collapsed' );
	} )
	.bind( 'expand', function() {
		$(this)
		.removeClass( 'collapsed' )
		.addClass( 'expanded' );
	} )
	.find( 'th' )
	.click( function() {
		var tbody = $(this).closest( 'tbody' );

		if( tbody.hasClass( 'collapsed' ) ) tbody.triggerHandler( 'expand' );
		else tbody.triggerHandler( 'collapse' );
	} )
	.end()
	.find( ':checkbox' )
	.each( function( index, e ) {
		$(e)
		.change( function() {
			var tbody = $(this).closest( 'tbody' );
			var hdr = tbody.find( 'th' );
			var cspan = hdr.find( 'span.count' );
			if( cspan.length == 0 ) {
				cspan =
					$.create( 'span' )
					.addClass( 'count' )
					.appendTo( hdr );
			}

			var chkcount = tbody.find( ':checked' ).length;
			if( chkcount == 0 ) cspan.hide();
			else cspan.show();
			cspan.text( chkcount );
		} );
	} );

	var tbody_heading = $( 'table tbody th h3 a' );

	tbody_heading
	.each(function() {
		var $t = $(this);
		$t
		.data( 'link_name', $t.attr( 'name' ))
		.removeAttr( 'name' );
	});

	$( '#personalize-container #activities-right-nav' )
	.click( function () {
		$( '#personalize-container.enabled' )
		.switchClass( 'enabled', 'disabled', 500 );

		$( '#personalize-container.disabled' )
		.switchClass( 'disabled', 'enabled', 500 );
	} );

	var eula =
        $( '#eula' )
		.dialog( {
			autoOpen: false,
			minHeight: 40,
			resizable: false,
			closeText: 'Close Window',
			width: $( '#eula' ).width(),
			modal: true,
			title: 'License',
			close: function() { $.bbq.removeState( 'license' ); }
		}) ;
	eula.children( 'h4' ).remove();
	eula.children( 'table' ).each( function( index, e ) { 
		$(e)
		.removeAttr( 'width' )
		.width( ( parseInt( eula.css( 'width' ) ) - 20 ) );
	} );
	$window
	.bind( 'hashchange', function() {
		var fragment = $.param.fragment();

		var ac = $.deparam.querystring()[ 'ac' ];
		if( ac && !fragment ) fragment = 'view-' + ac;

		( function() {
			var selected =
				tbody_heading
				.filter(function() { return $(this).data( 'link_name' ) == fragment; });
			if( selected.length > 0 ) {
				selected
				.closest( 'tbody' )
				.triggerHandler( 'expand' );
			} else {
				tbody_heading
				.closest( 'tbody' )
				.filter( 'thead + tbody,:first-child' )
				.triggerHandler( 'expand' );
			}
		} )();

		if( fragment == 'license' ) eula.dialog( 'open' );
		else eula.dialog( 'close' );

		if( fragment == 'submit-textbook' ) Dialog.SubmitTextbook.Open();
		else Dialog.SubmitTextbook.Close();
	} )
	.triggerHandler( 'hashchange' );

	( function() {
		var cookieName = 'ax-recommended-US';
		var recommendedIds = ( $.cookie(cookieName) || '' ).split( '&' );
		
		/*************************
		* Edited by Penwoodtech
		**************************/	
		$( '.likes-icon a' )
		.click( function( e ) {
			e.preventDefault();
			var activityId = parseInt( $( 'input[name="activity-id"]' ).val() );
			var value = activityId + '=1';
			var icon = $(this);
			var recommended = false;
			$.each( recommendedIds, function() {
				if( this == value ) recommended = true;
			} );
			if( !recommended ) {
				Ajax.Activities.Recommend( activityId, function() {
					icon.addClass('recommended');						
				} );
				recommendedIds.push( value );
				$.cookie(cookieName, recommendedIds.join( '&' ), { path: '/calculators/tiphysics/' });
			}				
		} )
		.each( function() {
			var activityId = parseInt( $( 'input[name="activity-id"]' ).val() );
			var value = activityId + '=1';
			var recommended = false;
			$.each( recommendedIds, function() {
				if( this == value ) recommended = true;
			} );
			if( recommended ) $(this).addClass('recommended');				
		} );
		/*************************/	

		$( '.email-icon a' )
		.click( function( e ) {
			e.preventDefault();
			Dialog.EmailAFriend.Open( { activityIds: [ parseInt( $( 'input[name="activity-id"]' ).val() ) ] } );
		} );

		$( '#my-activities-landing tbody tr td.email a' )
		.click( function( e ) {
			e.preventDefault();
			Dialog.EmailAFriend.Open( { activityIds: [ parseInt( $( this ).closest( 'tr' ).find( 'input[name="activity-id"]' ).val() ) ] } );
		} );

		$( '#activity-search-results tbody tr td.recommend a, #my-activities-landing tbody tr td.recommand a' )
		.click( function( e ) {
			e.preventDefault();
			var $td = $(this).closest( 'td' );
			var $tr = $td.closest( 'tr' );
			var activityId = parseInt( $tr.find( 'input[name="activity-id"]' ).val() );
			var value = activityId + '=1';

			var recommended = false;
			$.each( recommendedIds, function() {
				if( this == value ) recommended = true;
			} );
			if( !recommended ) {
				Ajax.Activities.Recommend( activityId, function() {
					$tr.addClass( 'recommended' );
					var $span = $td.find( 'span' ).eq( 0 );
					$span.text( parseInt( $span.text() ) + 1 );					
				} );				
				recommendedIds.push( value );
				$.cookie( cookieName, recommendedIds.join( '&' ), { path: '/calculators/tiphysics/' } );				
			}
		} )
		.each( function() {
			var $tr = $(this).closest( 'tr' );
			var activityId = parseInt( $tr.find( 'input[name="activity-id"]' ).val() );
			var value = activityId + '=1';

			var recommended = false;
			$.each( recommendedIds, function() {
				if( this == value ) recommended = true;
			} );

			if( recommended ) $tr.addClass( 'recommended' );
		} );

		/*************************
		* Edited by Penwoodtech
		**************************/	
		$( '.collection-icon a#icon' ).attr('title', 'Save Activity');
		$( '.collection-icon a#icon.saved' ).attr('title', 'Remove Activity');
		var mnCollection = { 			
			isHide: function(){ return $('.collection-icon').find('ul').css('display')=='none'; },
			show: function(){ $('.collection-icon').addClass('collection-icon-selected').find('ul').css('display','block'); },			
			hide: function(){ $('.collection-icon').removeClass('collection-icon-selected').find('ul').css('display','none'); }			
		};		
		$( '.collection-icon a#icon' ).click(function(){			
			if(mnCollection.isHide()){ mnCollection.show(); }
			else{ mnCollection.hide(); }
		});
		
		$( '.collection-icon .view-collection' ).attr('href','http://education.ti.com/calculators/downloads/US/My/Activities/Default.aspx');
		$( '.collection-icon .view-collection' ).click(function(){ mnCollection.hide(); });
		
		$( '.collection-icon .add-remove-collection' ).text($('.collection-icon a#icon').hasClass( 'saved' )?'Remove from My Activities':'Add to My Activities');				
		$( '.collection-icon .add-remove-collection' ).click(function(e){			
			e.preventDefault();	
			mnCollection.hide();
			var link = $( '.collection-icon a#icon' );			
			var activityId = parseInt( $( 'input[name="activity-id"]' ).val() );
			if( link.hasClass( 'saved' ) ) {
				Ajax.Activities.Unsave( activityId, function() {
					link.removeClass( 'saved' );
					link.attr('title', 'Save Activity');
					$('.collection-icon .add-remove-collection').text('Add to My Activities');
					Dialog.Notify.Open( { heading: 'Remove Activity', text: 'This activity will be removed from your Saved Activities' } );
				} );
			} else {
				Ajax.Activities.Save( activityId, function() {
					link.addClass( 'saved' );
					link.attr('title', 'Remove Activity');
					$('.collection-icon .add-remove-collection').text('Remove from My Activities');
					Dialog.Notify.Open( { heading: 'Save to My Downloads and Activities', text: 'This activity has been saved.' } );
				} );
			}
		});		
		/*$( '.collection-icon a' ).attr('title', 'Save Activity');
		$( '.collection-icon a.saved' ).attr('title', 'Remove Activity');
		$( '.collection-icon a' )
		.click( function( e ) {
			e.preventDefault();
			var link = $(this);
			var activityId = parseInt( $( 'input[name="activity-id"]' ).val() );
			if( link.hasClass( 'saved' ) ) {
				Ajax.Activities.Unsave( activityId, function() {
					link.removeClass( 'saved' );
					link.attr('title', 'Save Activity');
					Dialog.Notify.Open( { heading: 'Remove Activity', text: 'This activity will be removed from your Saved Activities' } );
				} );
			} else {
				Ajax.Activities.Save( activityId, function() {
					link.addClass( 'saved' );
					link.attr('title', 'Remove Activity');
					Dialog.Notify.Open( { heading: 'Save to My Downloads and Activities', text: 'This activity has been saved.' } );
				} );
			}
		} );
		*/

		/*************************
		* Edited by Penwoodtech
		**************************/	
		$( '#activity-search-results tbody tr td.save a' ).attr('title', 'Save Activity');
		$( '#activity-search-results tbody tr.saved td.save a' ).attr('title', 'Remove Activity');
		$( '#activity-search-results tbody tr td.save a' )
		.click( function(e) {
			e.preventDefault();
			var $tr = $(this).closest( 'tr' );
			var activityId = parseInt($tr.find( 'input[name="activity-id"]' ).val());
			var $icon = $(this);
			var pos = objPosition.findPosRelativeToViewport(this);
			var param = {								
				position: [pos.x-155,pos.y],
				activityId: activityId,
				collectionUrl: 'http://education.ti.com/calculators/downloads/US/My/Activities/Default.aspx',
				icon: $icon,
				tr: $tr
			};			
			Dialog.AddRemoveActivity.Open( param );	
		} );
		
		/*************************
		* Added by Penwoodtech
		**************************/		
		var objPosition = {	
			findPos: function(obj) {
				var curleft = curtop = 0;
				if (obj.offsetParent) {	
					do {
						curleft += obj.offsetLeft;
						curtop += obj.offsetTop;	
					} while (obj = obj.offsetParent);
				}
				return [curleft,curtop];
			},	
			getPageScroll: function() {
				var xScroll, yScroll;
				if (self.pageYOffset) {
					yScroll = self.pageYOffset;
					xScroll = self.pageXOffset;
				} else if (document.documentElement && document.documentElement.scrollTop) {
					yScroll = document.documentElement.scrollTop;
					xScroll = document.documentElement.scrollLeft;
				} else if (document.body) {
					yScroll = document.body.scrollTop;
					xScroll = document.body.scrollLeft;
				}
				return [xScroll,yScroll]
			}, 	
			findPosRelativeToViewport: function(obj) {
				var objPos = this.findPos(obj)
				var scroll = this.getPageScroll()
				return {x:(objPos[0]-scroll[0]),y:(objPos[1]-scroll[1])};
			} 
		}
		
		/**********************/

		$( '#my-activities-landing tbody tr td.add-to-group a' )
		.click( function( e ) {
			e.preventDefault();
			var $tr = $(this).closest( 'tr' );
			var activityId = parseInt( $tr.find( 'input[name="activity-id"]' ).val() );

			Dialog.AddToGroup.Open( { activityIds: [ activityId ] } );
		} );
		
		/*************************
		* Added by Penwoodtech
		**************************/		
		$( '#activity-search-results tbody tr td.preview a' )
		.click( function(e) {
			e.preventDefault();
			if($(this).hasClass('image')){
				Dialog.PreviewImage.Open( { src: $(this).attr('rel'), overview: $(this).attr('lang') } );			
			}
			else{		
				Dialog.PreviewVideo.Open( { src: $(this).attr('rel')} );									
			}				
		} );		

        $('a[href^="http://correlation.edgate.com/interface\u003fpubid=ti&token=e00fba6fedfb8a49e13346f7099a23fc&function=viewCorrelations&loid="]').click(function (e) {
            e.preventDefault();
            Dialog.Standards.Open({ textbook: false, activityId: /\d+$/.exec($(this).attr('href')) });
        });
        $('a[href^="http://correlation.edgate.com/interface\u003fpubid=titxt&token=739920aa25ab0959ea31530c33d126a3&function=viewCorrelations&textbook=true&loid="]').click(function (e) {
            e.preventDefault();
            Dialog.Standards.Open({ textbook: true, activityId: /\d+$/.exec($(this).attr('href')) });
        });		
		/*************************/
		
	} )();

	( function() {
		var slides = [];
		$( '#home-main > li:has(input[name="slideshow"])' )
		.removeClass( 'selected' )
		.each( function() {
			var $li = $( this );
			var num = parseInt( $li.find( 'input[name="slideshow"]' ).val() );
			slides.push( {
				li: $li,
				content: $li.children( '.content' ).eq( 0 ),
				summary: $li.children( '.summary' ).eq( 0 ),
				backgrounds: parseInt( $li.find( 'input[name="slideshow"]' ).val() )
			} );
		} )
		.eq( 0 )
		.addClass( 'selected' );
		if( slides.length > 0 ) {
			var timeout = null;
			var delay = 10000;
			var fadeDuration = 1000;
			var currentSlide = slides[ 0 ];

			var stopAnimation = function() {
				if( timeout ) clearTimeout( timeout );
				timeout = null;
				$.each( slides, function() { this.content.stop( true, true ).css( { 'z-index': 1 } ); } );
			};

			var showSlide = function( num, bg, showNext ) {
				stopAnimation();
				var previousSlide = currentSlide;
				previousSlide.content.closest( 'ul' ).removeClass();
				previousSlide.li.removeClass( 'selected' );
				currentSlide = slides[ num - 1 ];
				currentSlide.content.closest( 'ul' ).removeClass().addClass( 'slide-' + bg );
				currentSlide.li.addClass( 'selected' );


				var showNext = function() {
					if( bg < currentSlide.backgrounds ) showSlide( num, bg + 1 );
					else showSlide( ( num % slides.length ) + 1, 1 );
				};

				if( previousSlide != currentSlide ) {
					stopAnimation();
					previousSlide.content.show().css( { 'z-index': 3 } );
					currentSlide.content.show().css( { 'z-index': 2 } );
					previousSlide.content.fadeOut( fadeDuration, function() {
						if( !timeout && ( showNext !== false ) ) timeout = setTimeout( showNext, delay );
					} );
				} else {
					if( showNext !== false ) timeout = setTimeout( showNext, delay );
				}
			};
			$window
			.bind( 'hashchange', function() {
				switch( $.param.fragment() ) {
				case 'Software':
				default:
					stopAnimation();
					timeout = setTimeout( function() { showSlide( 1, 1, false ); } );
					break;
				case 'Guidebooks':
					stopAnimation();
					timeout = setTimeout( function() { showSlide( 2, 1, false ); } );
					break;
				case 'Activities':
					if( $( 'body.ax-enabled' ).length > 0 ) timeout = setTimeout( function() { showSlide( 3, 1, false ); } );					
					break;
				case 'My':
					timeout = setTimeout( function() { showSlide( ( $( 'body.ax-enabled' ).length > 0 ) ? 4 : 3, 1, false ); } );
					break;
				}
			} );

			$.each( slides, function( i ) {
				this.summary
				.click( function( e ) { e.preventDefault(); setTimeout( function() { showSlide( i + 1, 1 ); }, 0 ); } )
				.css( { cursor: 'pointer' } )
				.find( 'a' )
				.click( function( e ) {
					e.stopPropagation();
					stopAnimation();
				} );

				this.content.find( 'input,select' ).click( stopAnimation );
			} );
		}
	} )();
	
	/* Penwoodtech */
	$('.section-activities #content table td.type span').each( function(i,e){		
		var typeid = $(e).attr('class');
		switch(typeid){
			case 'type-4': $(e).attr('title','Action Consequence'); break;
			case 'type-5': $(e).attr('title','Bell Ringer'); break;
			case 'type-6': $(e).attr('title','Create Your Own'); break;
			case 'type-8': $(e).attr('title', 'TI-Nspire Navigator Compatible'); break;
			case 'type-20': $(e).attr('title','TI Navigator'); break;
			default: break;
		}
	});	  
} );