var channel = {
    path:'',
    source:'channel.xml',
    contentGroup:'unset-vpr',
    theme: 'default',
    transitionTime: 300,
    base: "http://" + document.domain + ":" + window.location.port,
    capture: function(object, action, description, contentType, conversion) {
        try {
            if(conversion != null && conversion != "null") {
                conversion = ',WT.z_convert,' + conversion;
            } else {
                conversion == "";
            }
            dcsMultiTrack(
                'DCS.dcsuri', channel.path + 'tracking/' + contentType + '/' + object + '/' + action, 
                'WT.ti', action + ": " + description,
                'DCSext.contentId', object,
                'WT.cg_n', channel.contentGroup + conversion
            );
        } catch(err) {
            //alert(object + "," + action + "," + description + "," + contentType);
            //No analytics installed
        }
    },
    contentList: {
        setContentlistView: function(type, target) {
            if(target == null) {
                target = ".channel_contentList";
            }
            switch(type) {
                case 'grid':
                    $(target).addClass('grid');
                    $(target + "_gridViewBtn").addClass('selected');
                    $(target + "_listViewBtn").removeClass('selected');
                    break;
                default:
                    $(target).removeClass('grid');
                    $(target + "_listViewBtn").addClass('selected');
                    $(target + "_gridViewBtn").removeClass('selected');
                    break;
            }
        },
        setContentlistSort: function(type, target) {
            if(target == null) {
                target = ".channel_contentList";
            }
            if(channel.memory.contentListSortType == type) {
                channel.memory.contentListSortDirection = (channel.memory.contentListSortDirection == 'asc') ? 'desc' : 'asc';
            } else {
                channel.memory.contentListSortDirection = 'desc';
            }
            channel.memory.contentListSortType = type;
            var indices = new Array();
            switch(type) {
                case 'title':
                    $(target + " .channel_contentListItem").each(function() {
                        indices.push($(this).find("li[class='titleSortOrder']").attr("title"));
                    });
                    indices.sort();
                    if(channel.memory.contentListSortDirection == 'desc') {
                        indices.reverse();
                    }
                    $(target + "_titleSortBtn").addClass('selected');
                    $(target + "_dateSortBtn").removeClass('selected');
                    break;
                default:
                    $(target + " .channel_contentListItem").each(function() {
                        indices.push($(this).find("li[class='dateSortOrder']").attr("title"));
                    });
                    indices.sort(function(a,b) {
                        if(channel.memory.contentListSortDirection == 'desc') {
                            return b - a;
                        } else {
                            return a - b;
                        }
                    });
                    $(target + "_dateSortBtn").addClass('selected');
                    $(target + "_titleSortBtn").removeClass('selected');
                    break;
            }
            for(var i = 0; i < indices.length; i++) {
                $(target + " .channel_contentListItem li[title='" + indices[i] + "']").parent().parent().filter(":visible").fadeOut(channel.transitionTime, function() {
                    $(this).prependTo(target + " .channel_contentListItems"); 
                    $(this).fadeIn(channel.transitionTime);
                });
            }
        },
        setActiveCategory: function(category, target) {
            if(target == null) {
                target = ".channel_contentList";
            }
            if(category.toString().toLowerCase().match(/^all/)) {
                $(target + " .channel_contentListItem").fadeIn(channel.transitionTime);
            } else {
                $(target + " .channel_contentListItem li[title!='" + category + "']").parent().parent().fadeOut(channel.transitionTime);
                $(target + " .channel_contentListItem li[title='" + category + "']").parent().parent().fadeIn(channel.transitionTime);
            }
            channel.slideshow.setCategoryLabel(category);
        },        
        setActiveContent: function(target) {
            if(target != channel.memory.contentListActiveId) {
                if(channel.memory.contentListActiveId != null) { 
                    $(channel.memory.contentListActiveId).removeClass('selected'); 
                }
                $(target).addClass('selected');
                channel.memory.contentListActiveId = target;
                if(channel.slideshow.active) {
                    if(!channel.memory.firstLoad) {
                        channel.capture($(channel.memory.contentListActiveId).find("li[class='contentID']").attr('title'), 'viewSlideshowImage', $(channel.memory.contentListActiveId).find("h3 a").html(), 'images', 'View');
                    } else {
                        channel.memory.firstLoad = false;
                    }
                    channel.slideshow.slideTo(target);
                } else if(channel.videoplayer.active) {
                    channel.videoplayer.play(target);
                } else {
                    if(!channel.memory.firstLoad) {
                        channel.capture($(channel.memory.contentListActiveId).find("li[class='contentID']").attr('title'), 'openInNewWindow', $(channel.memory.contentListActiveId).find("h3 a").html(), 'open', 'View');
                        window.open($(channel.memory.contentListActiveId).find("li[class='webSource'] a").attr('href'));
                    } else {
                        channel.memory.firstLoad = false;
                    }
                }
            }
        }
    },
    
    videoplayer: {
        active: false,
        play: function(target) {
            try {
                $(".channel_videoplayerContent_text").fadeOut(channel.transitionTime, function() {
                     $(".channel_videoplayerContent_title").html($(channel.memory.contentListActiveId).find("h3 a").html());
                     $(".channel_videoplayerContent_date").html($(channel.memory.contentListActiveId).find(".channel_contentListItem_date").html());
                     $(".channel_videoplayerContent_caption").html($(channel.memory.contentListActiveId).find("p").html());
                     $(".channel_videoplayerContent_text").fadeIn(channel.transitionTime);
                });
                var silverlightControl = document.getElementById("silverlightVideoPlayer");
                silverlightControl.Content.VideoPlayer.DoVideoLoad($(channel.memory.contentListActiveId).find("li[class='contentID']").attr('title'));
            } catch(err) {
                if(channel.memory.firstLoad) {
                    //Silverlight isn't initialized, it will pick up the active video when it's ready
                    channel.memory.firstLoad = false;
                } else {
                    //Silverlight is unavailable, 
                    //try to load the content directly in the browser
                    channel.capture($(channel.memory.contentListActiveId).find("li[class='contentID']").attr('title'), 'videoView', $(channel.memory.contentListActiveId).find("h3 a").html(), 'video_nosl', null);
                    window.open($(channel.memory.contentListActiveId).find("li[class='webSource'] a").attr('href'));
                }
            }
            if(channel.memory.firstLoad) { channel.memory.firstLoad = false; }
        },
        share: function(url) {
            window.open(url);
            var temp = url.toString().replace("http://","");
            var domain = temp.substr(0,temp.indexOf('/'));
            channel.capture(
                channel.utilities.getContentId(), 
                'share', 
                channel.utilities.getContentTitle(), 
                'VideoShareLink', 
                'Share'
            );
        },
        email: function(url) {
            window.open(url);
            channel.capture(
                channel.utilities.getContentId(), 
                'email', 
                channel.utilities.getContentTitle(), 
                'VideoEmailLink', 
                'Email'
            );
        },
        download: function() {
            channel.capture(
                channel.utilities.getContentId(), 
                'videoDownload',
                channel.utilities.getContentTitle(), 
                'videos',
                'Download'
            );
        },
        installSilverlight: function() {
            channel.capture(
                channel.utilities.getContentId(), 
                'SilverlightInstall',
                channel.utilities.getContentTitle(), 
                'videos',
                null
            );
        }
    },
    
    slideshow: {
        active: false,
        slide: function(dir) {
            if(dir > 0) {
                var nextFound = false;
                $(channel.memory.contentListActiveId).nextAll().each(function(index, element) {
                    if($(element).is(":visible")) {
                        nextFound = true;
                        channel.contentList.setActiveContent('#' + $(element).attr('id'));
                        return false;
                    }
                }); 
                if(!nextFound) {
                    if(channel.memory.category == $(channel.memory.contentListActiveId).parent().find("div:first-child").find("li[class='category']").attr('title')) {
                        channel.contentList.setActiveContent('#' + $(channel.memory.contentListActiveId).parent().find("div:first-child").attr('id'));
                    } else if($(channel.memory.contentListActiveId).parent().find($("div:first-child")).is(":visible")) {
                        channel.contentList.setActiveContent('#' + $(channel.memory.contentListActiveId).parent().find($("div:first-child")).attr('id'));
                    } else {
                        $(channel.memory.contentListActiveId).parent().find("div:first-child").nextAll().each(function(index, element) {
                            if($(element).is(":visible")) {
                                channel.contentList.setActiveContent('#' + $(element).attr('id'));
                                return false;
                            }
                        }); 
                    }
                }
            } else {
                var prevFound = false;
                $(channel.memory.contentListActiveId).prevAll().each(function(index, element) {
                    if($(element).is(":visible")) {
                        prevFound = true;
                        channel.contentList.setActiveContent('#' + $(element).attr('id'));
                        return false;
                    }
                });
                if(!prevFound) {
                    if($(channel.memory.contentListActiveId).parent().find("div:last-child").is(":visible")) {
                        channel.contentList.setActiveContent('#' + $(channel.memory.contentListActiveId).parent().find("div:last-child").attr('id'));
                    } else {
                        $(channel.memory.contentListActiveId).parent().find("div:last-child").prevAll().each(function(index, element) {
                            if($(element).is(":visible")) {
                                channel.contentList.setActiveContent('#' + $(element).attr('id'));
                                return false;
                            }
                        });
                    }
                }
            }
        },
        slideTo: function(target) {
            $(".channel_slideshowImage").fadeOut(channel.transitionTime);
            if($(channel.memory.contentListActiveId).find("li[class='printSource'] a").attr('href') == "") {
                 $(".channel_slideshowContent_printBtn").fadeOut(channel.transitionTime);
            } else if(!$(".channel_slideshowContent_printBtn").is(":visible")) {
                 $(".channel_slideshowContent_printBtn").fadeIn(channel.transitionTime);
            }
            var imageIndex = ($(channel.memory.contentListActiveId).parent().find(".channel_contentListItem:visible").index($(channel.memory.contentListActiveId)) + 1)
                + " of " + $(channel.memory.contentListActiveId).parent().find(".channel_contentListItem:visible").length + " from ";
            $(".channel_slideshowMenu_label").html(imageIndex + channel.memory.category);
            
            $(".channel_slideshowContent_text").fadeOut(channel.transitionTime, function() {
                 $(".channel_slideshowImage").attr('src', $(channel.memory.contentListActiveId).find("li[class='webSource'] a").attr('href'));
                 $(".channel_slideshowContent_title").html($(channel.memory.contentListActiveId).find("h3 a").html());
                 $(".channel_slideshowContent_date").html($(channel.memory.contentListActiveId).find(".channel_contentListItem_date").html());
                 $(".channel_slideshowContent_caption").html($(channel.memory.contentListActiveId).find("p").html());
                 $(".channel_slideshowContent_webBtn").attr('href', $(channel.memory.contentListActiveId).find("li[class='webSource'] a").attr('href'));
                 $(".channel_slideshowContent_printBtn").attr('href', $(channel.memory.contentListActiveId).find("li[class='printSource'] a").attr('href'));
                 $(".channel_slideshowImage").fadeIn(channel.transitionTime);
                 $(".channel_slideshowContent_text").fadeIn(channel.transitionTime);
            });
        },
        setCategoryLabel: function(category) {
            channel.memory.category = category;
            $(".channel_slideshowMenu_label").html(category);
        }
    },
    
    contactPress: function() {
        channel.capture('contactPress','contact','Press Contact','link','contactPress');
    },
    
    relatedLinkClick: function(target) {
        channel.capture('relatedLink','relatedLinkClick',target,'relatedLink','view');
        window.open(target);
    },
    
    utilities: {
        getContentId: function() {
            var id;
            if(channel.memory.contentId == null) {
                id = $(channel.memory.contentListActiveId).find("li[class='contentID']").attr('title'); 
            } else {
                id = channel.memory.contentId;
            }
            return id;
        },
        getContentTitle: function() {
            var title;
            if(channel.memory.contentTitle == null) {
                title = $(channel.memory.contentListActiveId).find("h3 a").html();
            } else {
                title = channel.memory.contentTitle;
            }
            return title;
        }
    },
    
    memory: {
        contentListActiveId: null,
        contentListActiveCategory: null,
        contentListSortDirection: 'asc',
        category: "All images",
        firstLoad: true,
        contentId: null,
        contentTitle: null
    }
};
////////////////////////////
//Video player functions
////////////////////////////

//Called by the Silverlight app when it is initialized to set the initial video
function CheckVideoLoaded() {
    silverlightControl = document.getElementById("silverlightVideoPlayer");
    silverlightControl.Content.VideoPlayer.DoVideoLoad($(channel.memory.contentListActiveId).find("li[class='contentID']").attr('title'));
}

//Share wrapper
function channelVideoplayerShare(URL) {
    channel.videoplayer.share(URL);
}

//Capture wrapper
function channelCapture(videoID,action,videoTitle,contentType,conversionOnView) {
   channel.capture(videoID,action,videoTitle,contentType,conversionOnView);
}

//Preloader progress indicator
function progressChanged(sender, eventArgs) {
    var myHost = document.getElementById("silverlightVideoPlayer");
    if (myHost) {
        var text1 = myHost.content.findName("LoadingTextCtrl");
        if (text1) {
            text1.Text = Math.round(eventArgs.progress * 100) + "%";
        }
    }
}

function ShowURLNewWindow(URL) {
    channel.videoplayer.email(URL);
    window.open(URL);
}

function ShowURLSameWindow(URL) {
    document.location.href = URL;
}

function GetOffsets() {
    silverlightControl = document.getElementById("silverlightVideoPlayer");
    silverlightControl.Content.VideoPlayer.SetOffsets(0, -$("#silverlightVideoPlayer").height());
}

function ShowDiv(LocX, OffX, LocY, OffY, vidLink, vidAltTitle) {
    linkDiv = document.getElementById("channel_videoplayer_link");
    linkDiv.style.display = 'block';
    linkDiv.style.left = LocX + OffX + 'px';
    linkDiv.style.top = LocY + OffY + 'px';
    linkDiv.href = vidLink;
    linkDiv.title = vidAltTitle;
}

function HideDiv() {
    linkDiv = document.getElementById("channel_videoplayer_link");
    linkDiv.style.display = 'none';
}

function SetDownloadContent(id, cg) {
    //Placeholder for legacy purposes
}