Gary Sharp
413 lines
14 KiB
JavaScript
413 lines
14 KiB
JavaScript
if (!window.Silverlight) {
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window.Silverlight = {};
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}
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// Silverlight control instance counter for memory mgt
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Silverlight._silverlightCount = 0;
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Silverlight.fwlinkRoot = 'http://go2.microsoft.com/fwlink/?LinkID=';
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Silverlight.onGetSilverlight = null;
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Silverlight.onSilverlightInstalled = function () { window.location.reload(false); };
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//////////////////////////////////////////////////////////////////
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// isInstalled, checks to see if the correct version is installed
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//////////////////////////////////////////////////////////////////
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Silverlight.isInstalled = function (version) {
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var isVersionSupported = false;
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var container = null;
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try {
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var control = null;
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try {
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control = new ActiveXObject('AgControl.AgControl');
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if (version == null) {
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isVersionSupported = true;
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}
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else if (control.IsVersionSupported(version)) {
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isVersionSupported = true;
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}
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control = null;
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}
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catch (e) {
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var plugin = navigator.plugins["Silverlight Plug-In"];
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if (plugin) {
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if (version === null) {
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isVersionSupported = true;
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}
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else {
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var actualVer = plugin.description;
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if (actualVer === "1.0.30226.2")
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actualVer = "2.0.30226.2";
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var actualVerArray = actualVer.split(".");
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while (actualVerArray.length > 3) {
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actualVerArray.pop();
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}
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while (actualVerArray.length < 4) {
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actualVerArray.push(0);
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}
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var reqVerArray = version.split(".");
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while (reqVerArray.length > 4) {
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reqVerArray.pop();
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}
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var requiredVersionPart;
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var actualVersionPart
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var index = 0;
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do {
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requiredVersionPart = parseInt(reqVerArray[index]);
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actualVersionPart = parseInt(actualVerArray[index]);
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index++;
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}
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while (index < reqVerArray.length && requiredVersionPart === actualVersionPart);
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if (requiredVersionPart <= actualVersionPart && !isNaN(requiredVersionPart)) {
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isVersionSupported = true;
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}
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}
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}
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}
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}
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catch (e) {
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isVersionSupported = false;
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}
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if (container) {
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document.body.removeChild(container);
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}
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return isVersionSupported;
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}
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Silverlight.WaitForInstallCompletion = function () {
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if (!Silverlight.isBrowserRestartRequired && Silverlight.onSilverlightInstalled) {
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try {
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navigator.plugins.refresh();
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}
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catch (e) {
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}
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if (Silverlight.isInstalled(null)) {
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Silverlight.onSilverlightInstalled();
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}
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else {
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setTimeout(Silverlight.WaitForInstallCompletion, 3000);
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}
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}
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}
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Silverlight.__startup = function () {
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Silverlight.isBrowserRestartRequired = Silverlight.isInstalled(null);//(!window.ActiveXObject || Silverlight.isInstalled(null));
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if (!Silverlight.isBrowserRestartRequired) {
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Silverlight.WaitForInstallCompletion();
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}
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if (window.removeEventListener) {
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window.removeEventListener('load', Silverlight.__startup, false);
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}
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else {
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window.detachEvent('onload', Silverlight.__startup);
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}
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}
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if (window.addEventListener) {
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window.addEventListener('load', Silverlight.__startup, false);
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}
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else {
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window.attachEvent('onload', Silverlight.__startup);
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}
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///////////////////////////////////////////////////////////////////////////////
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// createObject(); Params:
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// parentElement of type Element, the parent element of the Silverlight Control
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// source of type String
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// id of type string
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// properties of type String, object literal notation { name:value, name:value, name:value},
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// current properties are: width, height, background, framerate, isWindowless, enableHtmlAccess, inplaceInstallPrompt: all are of type string
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// events of type String, object literal notation { name:value, name:value, name:value},
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// current events are onLoad onError, both are type string
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// initParams of type Object or object literal notation { name:value, name:value, name:value}
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// userContext of type Object
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/////////////////////////////////////////////////////////////////////////////////
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Silverlight.createObject = function (source, parentElement, id, properties, events, initParams, userContext) {
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var slPluginHelper = new Object();
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var slProperties = properties;
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var slEvents = events;
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slPluginHelper.version = slProperties.version;
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slProperties.source = source;
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slPluginHelper.alt = slProperties.alt;
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//rename properties to their tag property names
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if (initParams)
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slProperties.initParams = initParams;
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if (slProperties.isWindowless && !slProperties.windowless)
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slProperties.windowless = slProperties.isWindowless;
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if (slProperties.framerate && !slProperties.maxFramerate)
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slProperties.maxFramerate = slProperties.framerate;
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if (id && !slProperties.id)
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slProperties.id = id;
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// remove elements which are not to be added to the instantiation tag
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delete slProperties.ignoreBrowserVer;
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delete slProperties.inplaceInstallPrompt;
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delete slProperties.version;
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delete slProperties.isWindowless;
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delete slProperties.framerate;
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delete slProperties.data;
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delete slProperties.src;
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delete slProperties.alt;
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// detect that the correct version of Silverlight is installed, else display install
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if (Silverlight.isInstalled(slPluginHelper.version)) {
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//move unknown events to the slProperties array
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for (var name in slEvents) {
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if (slEvents[name]) {
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if (name == "onLoad" && typeof slEvents[name] == "function" && slEvents[name].length != 1) {
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var onLoadHandler = slEvents[name];
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slEvents[name] = function (sender) { return onLoadHandler(document.getElementById(id), userContext, sender) };
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}
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var handlerName = Silverlight.__getHandlerName(slEvents[name]);
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if (handlerName != null) {
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slProperties[name] = handlerName;
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slEvents[name] = null;
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}
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else {
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throw "typeof events." + name + " must be 'function' or 'string'";
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}
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}
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}
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slPluginHTML = Silverlight.buildHTML(slProperties);
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}
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//The control could not be instantiated. Show the installation prompt
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else {
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slPluginHTML = Silverlight.buildPromptHTML(slPluginHelper);
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}
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// insert or return the HTML
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if (parentElement) {
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parentElement.innerHTML = slPluginHTML;
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}
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else {
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return slPluginHTML;
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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//
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// create HTML that instantiates the control
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//
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///////////////////////////////////////////////////////////////////////////////
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Silverlight.buildHTML = function (slProperties) {
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var htmlBuilder = [];
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htmlBuilder.push('<object type=\"application/x-silverlight\" data="data:application/x-silverlight,"');
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if (slProperties.id != null) {
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htmlBuilder.push(' id="' + slProperties.id + '"');
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}
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if (slProperties.width != null) {
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htmlBuilder.push(' width="' + slProperties.width + '"');
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}
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if (slProperties.height != null) {
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htmlBuilder.push(' height="' + slProperties.height + '"');
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}
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htmlBuilder.push(' >');
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delete slProperties.id;
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delete slProperties.width;
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delete slProperties.height;
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for (var name in slProperties) {
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if (slProperties[name]) {
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htmlBuilder.push('<param name="' + Silverlight.HtmlAttributeEncode(name) + '" value="' + Silverlight.HtmlAttributeEncode(slProperties[name]) + '" />');
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}
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}
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htmlBuilder.push('<\/object>');
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return htmlBuilder.join('');
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}
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// createObjectEx, takes a single parameter of all createObject parameters enclosed in {}
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Silverlight.createObjectEx = function (params) {
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var parameters = params;
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var html = Silverlight.createObject(parameters.source, parameters.parentElement, parameters.id, parameters.properties, parameters.events, parameters.initParams, parameters.context);
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if (parameters.parentElement == null) {
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return html;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////
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// Builds the HTML to prompt the user to download and install Silverlight
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///////////////////////////////////////////////////////////////////////////////////////////////
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Silverlight.buildPromptHTML = function (slPluginHelper) {
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var slPluginHTML = "";
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var urlRoot = Silverlight.fwlinkRoot;
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var shortVer = slPluginHelper.version;
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if (slPluginHelper.alt) {
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slPluginHTML = slPluginHelper.alt;
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}
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else {
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if (!shortVer) {
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shortVer = "";
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}
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slPluginHTML = "<a href='javascript:Silverlight.getSilverlight(\"{1}\");' style='text-decoration: none;'><img src='{2}' alt='Get Microsoft Silverlight' style='border-style: none'/></a>";
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slPluginHTML = slPluginHTML.replace('{1}', shortVer);
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slPluginHTML = slPluginHTML.replace('{2}', urlRoot + '108181');
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}
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return slPluginHTML;
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}
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Silverlight.getSilverlight = function (version) {
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if (Silverlight.onGetSilverlight) {
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Silverlight.onGetSilverlight();
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}
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var shortVer = "";
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var reqVerArray = String(version).split(".");
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if (reqVerArray.length > 1) {
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var majorNum = parseInt(reqVerArray[0]);
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if (isNaN(majorNum) || majorNum < 2) {
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shortVer = "1.0";
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}
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else {
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shortVer = reqVerArray[0] + '.' + reqVerArray[1];
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}
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}
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var verArg = "";
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if (shortVer.match(/^\d+\056\d+$/)) {
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verArg = "&v=" + shortVer;
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}
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Silverlight.followFWLink("114576" + verArg);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////
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/// Navigates to a url based on fwlinkid
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///////////////////////////////////////////////////////////////////////////////////////////////
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Silverlight.followFWLink = function (linkid) {
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top.location = Silverlight.fwlinkRoot + String(linkid);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////
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/// Encodes special characters in input strings as charcodes
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///////////////////////////////////////////////////////////////////////////////////////////////
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Silverlight.HtmlAttributeEncode = function (strInput) {
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var c;
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var retVal = '';
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if (strInput == null) {
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return null;
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}
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for (var cnt = 0; cnt < strInput.length; cnt++) {
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c = strInput.charCodeAt(cnt);
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if (((c > 96) && (c < 123)) ||
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((c > 64) && (c < 91)) ||
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((c > 43) && (c < 58) && (c != 47)) ||
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(c == 95)) {
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retVal = retVal + String.fromCharCode(c);
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}
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else {
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retVal = retVal + '&#' + c + ';';
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}
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}
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return retVal;
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}
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///////////////////////////////////////////////////////////////////////////////
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//
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// Default error handling function to be used when a custom error handler is
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// not present
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//
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///////////////////////////////////////////////////////////////////////////////
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Silverlight.default_error_handler = function (sender, args) {
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var iErrorCode;
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var errorType = args.ErrorType;
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iErrorCode = args.ErrorCode;
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var errMsg = "\nSilverlight error message \n";
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errMsg += "ErrorCode: " + iErrorCode + "\n";
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errMsg += "ErrorType: " + errorType + " \n";
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errMsg += "Message: " + args.ErrorMessage + " \n";
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if (errorType == "ParserError") {
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errMsg += "XamlFile: " + args.xamlFile + " \n";
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errMsg += "Line: " + args.lineNumber + " \n";
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errMsg += "Position: " + args.charPosition + " \n";
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}
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else if (errorType == "RuntimeError") {
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if (args.lineNumber != 0) {
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errMsg += "Line: " + args.lineNumber + " \n";
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errMsg += "Position: " + args.charPosition + " \n";
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}
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errMsg += "MethodName: " + args.methodName + " \n";
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}
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alert(errMsg);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////
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/// Releases event handler resources when the page is unloaded
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///////////////////////////////////////////////////////////////////////////////////////////////
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Silverlight.__cleanup = function () {
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for (var i = Silverlight._silverlightCount - 1; i >= 0; i--) {
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window['__slEvent' + i] = null;
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}
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Silverlight._silverlightCount = 0;
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if (window.removeEventListener) {
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window.removeEventListener('unload', Silverlight.__cleanup, false);
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}
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else {
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window.detachEvent('onunload', Silverlight.__cleanup);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////
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/// Releases event handler resources when the page is unloaded
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///////////////////////////////////////////////////////////////////////////////////////////////
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Silverlight.__getHandlerName = function (handler) {
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var handlerName = "";
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if (typeof handler == "string") {
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handlerName = handler;
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}
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else if (typeof handler == "function") {
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if (Silverlight._silverlightCount == 0) {
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if (window.addEventListener) {
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window.addEventListener('onunload', Silverlight.__cleanup, false);
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}
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else {
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window.attachEvent('onunload', Silverlight.__cleanup);
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}
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}
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var count = Silverlight._silverlightCount++;
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handlerName = "__slEvent" + count;
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window[handlerName] = handler;
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}
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else {
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handlerName = null;
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}
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return handlerName;
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} |