if(typeof scribd == "undefined") {
var scribd = new Object();
/* ------------------------
Scribd Document
-------------------------- */
scribd.Document = function() {
if (arguments.length == 2) {
// This option is included for backwards compatibility only!
this.document_id = arguments[0];
this.access_key = arguments[1];
return this;
} if (scribd.Document.caller != scribd.Document.getDoc
&& scribd.Document.caller != scribd.Document.getDocFromUrl
&& scribd.Document.caller != scribd.Document.getDocFromUrlForExtension
&& scribd.Document.caller != undefined ) {
throw new Error("There is no public constructor for scribd.Document.");
}
}
scribd.Document.getDoc = function(document_id, access_key) {
scribd_doc = new scribd.Document();
scribd_doc.document_id = document_id;
scribd_doc.access_key = access_key;
return scribd_doc;
}
scribd.Document.getDocFromUrl = function(url, publisher_id) {
scribd_doc = new scribd.Document();
scribd_doc.url = url;
scribd_doc.publisher_id = publisher_id;
return scribd_doc;
}
scribd.Document.getDocFromUrlForExtension = function(url, extension_id) {
scribd_doc = new scribd.Document();
scribd_doc.url = url;
scribd_doc.extension_id = extension_id;
scribd_doc.addParam("should_redirect", true);
return scribd_doc;
}
scribd.Document.prototype = {
params : [], addParam : function(name, value) {
this.params[name] = value;
}, write : function(elementId) {
var element = document.getElementById(elementId);
quickswitch = (this.params["quickswitch"] == true);
if(quickswitch)
{
// create container at body level to avoid
// calling innerHTML on an element with an inline ancestor
var container = document.createElement('div');
container.style.width = "100%";
container.style.height = "100%";
document.body.appendChild(container);
} var auto_width = element.offsetWidth;
if (this.params["width"] && this.params["width"] != "parent") {
auto_width = this.params["width"];
} if (this.params["height"] != "parent") {
var auto_height = Math.round(auto_width * 11.0 / 8.5) // get height of page
var page_height = window.innerHeight != null
? window.innerHeight
: document.documentElement && document.documentElement.clientHeight
? document.documentElement.clientHeight
: document.body != null
? document.body.clientHeight
: 0;
page_height -= 25; // some breathing room // bound the height
if (auto_height < 200) {
auto_height = 200;
}
if (auto_height > page_height) {
auto_height = page_height;
}
var embedHeight = auto_height + "px";
} else {
var embedHeight = "100%";
}
var embedWidth = "100%";
var embedName = elementId + '_embed' + Math.round(Math.random() * 9e9);
var srcString = "ScribdViewer";
var flashVars = '';
// Since we're using view.js, we can just defer to the original size
if (this.params["auto_size"] != true){ // this defaults to true so we only need to handle explicit false cases
flashVars += '&auto_size=false';
}
if (this.params["height"] && this.params["height"] != "parent"){
embedHeight = this.params["height"] + "px";
}
if (this.params["width"] && this.params["width"] != "parent"){
embedWidth = this.params["width"] + "px";
}
if (this.params["swf_name"]){
srcString = this.params["swf_name"];
}
if (this.document_id){
flashVars += '&document_id=' + this.document_id;
}
if (this.access_key){
flashVars += '&access_key=' + this.access_key;
}
if (this.params["page"]){
flashVars += '&page=' + this.params["page"];
}
if (this.extension_id){
flashVars += '&extension_id=' + this.extension_id;
}
if (this.params["extension"]){
flashVars += '&extension=' + this.params["extension"];
}
if (this.params["title"]){
flashVars += '&title=' + escape(this.params["title"]);
}
if (this.params["my_user_id"]){
flashVars += '&my_user_id=' + this.params["my_user_id"];
}
if (this.params["current_user_id"]){
flashVars += '¤t_user_id=' + this.params["current_user_id"];
}
if (this.params["search_query"]){
flashVars += '&search_query=' + escape(this.params["search_query"]);
}
if (this.params["search_keywords"]){
flashVars += '&search_keywords=' + escape(this.params["search_keywords"]);
} if (this.params["transferCookie"]==true){
flashVars += '&cookie=' + escape(document.cookie);
}
if (this.url){
flashVars += '&url=' + escape(this.url);
}
if (this.publisher_id){
flashVars += '&publisher_id=' + escape(this.publisher_id);
}
if (this.params["public"] == true){
flashVars += '&privacy=0';
}
else {
flashVars += '&privacy=1';
}
if (this.params["mode"]){
flashVars += '&viewMode=' + escape(this.params['mode']);
}
if (this.params["should_redirect"]){
flashVars += '&should_redirect=' + this.params["should_redirect"];
} var srcPath = "http://documents.scribd.com/";
if (this.params["use_ssl"]) {
srcPath = "https://s3.amazonaws.com/documents.scribd.com/";
} var embedString = Mod_AC_FL_RunContent(
'codebase',
'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0',
'width', embedWidth, 'height', embedHeight, 'flashvars',
flashVars, 'src', srcPath + srcString,
'quality', 'high', 'pluginspage',
'http://www.macromedia.com/go/getflashplayer', 'align',
'middle', 'play', 'true', 'loop', 'true', 'scale',
'showall', 'wmode', 'opaque', 'devicefont', 'false', 'id',
embedName, 'bgcolor', '#ffffff', 'name', embedName, 'menu',
'true', 'allowFullScreen', 'true', 'allowScriptAccess',
'always', 'movie', srcPath + srcString,
'salign', ''); var flash_ok = DetectFlashVer(9,0,0);
if (!flash_ok) {
embedString = '<div style="font-size:16px;width:300px;border:1px solid #dddddd;padding:3px">Hello, you have an old version of Adobe Flash Player. To use iPaper (and lots of other stuff on the web) you need to <a href="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash">get the latest Flash player</a>. </div>';
}
if(quickswitch)
{
// For QuickSwitch, we avoid calling innerHTML on an element that isn't
// directly attached to the body
// This avoids the IE issue where calling innerHTML on a block element that
// has in its ancestry an inline element will throw an exception
// set container innerHTML, which is a direct child of body
container.innerHTML = embedString;
// delete all child nodes of element
if (element.hasChildNodes()) {
while (element.childNodes.length >= 1) {
element.removeChild(element.firstChild);
}
}
// now that we've called innerHTML, we can attach the container to the element specified
element.appendChild(container);
}
else
{
element.innerHTML = embedString;
}
// mac mousewheel support - depricated
// var macMouse = new SWFMacMouseWheel(embedName);
}
}
var scribd = new Object();
/* ------------------------
Scribd Document
-------------------------- */
scribd.Document = function() {
if (arguments.length == 2) {
// This option is included for backwards compatibility only!
this.document_id = arguments[0];
this.access_key = arguments[1];
return this;
} if (scribd.Document.caller != scribd.Document.getDoc
&& scribd.Document.caller != scribd.Document.getDocFromUrl
&& scribd.Document.caller != scribd.Document.getDocFromUrlForExtension
&& scribd.Document.caller != undefined ) {
throw new Error("There is no public constructor for scribd.Document.");
}
}
scribd.Document.getDoc = function(document_id, access_key) {
scribd_doc = new scribd.Document();
scribd_doc.document_id = document_id;
scribd_doc.access_key = access_key;
return scribd_doc;
}
scribd.Document.getDocFromUrl = function(url, publisher_id) {
scribd_doc = new scribd.Document();
scribd_doc.url = url;
scribd_doc.publisher_id = publisher_id;
return scribd_doc;
}
scribd.Document.getDocFromUrlForExtension = function(url, extension_id) {
scribd_doc = new scribd.Document();
scribd_doc.url = url;
scribd_doc.extension_id = extension_id;
scribd_doc.addParam("should_redirect", true);
return scribd_doc;
}
scribd.Document.prototype = {
params : [], addParam : function(name, value) {
this.params[name] = value;
}, write : function(elementId) {
var element = document.getElementById(elementId);
quickswitch = (this.params["quickswitch"] == true);
if(quickswitch)
{
// create container at body level to avoid
// calling innerHTML on an element with an inline ancestor
var container = document.createElement('div');
container.style.width = "100%";
container.style.height = "100%";
document.body.appendChild(container);
} var auto_width = element.offsetWidth;
if (this.params["width"] && this.params["width"] != "parent") {
auto_width = this.params["width"];
} if (this.params["height"] != "parent") {
var auto_height = Math.round(auto_width * 11.0 / 8.5) // get height of page
var page_height = window.innerHeight != null
? window.innerHeight
: document.documentElement && document.documentElement.clientHeight
? document.documentElement.clientHeight
: document.body != null
? document.body.clientHeight
: 0;
page_height -= 25; // some breathing room // bound the height
if (auto_height < 200) {
auto_height = 200;
}
if (auto_height > page_height) {
auto_height = page_height;
}
var embedHeight = auto_height + "px";
} else {
var embedHeight = "100%";
}
var embedWidth = "100%";
var embedName = elementId + '_embed' + Math.round(Math.random() * 9e9);
var srcString = "ScribdViewer";
var flashVars = '';
// Since we're using view.js, we can just defer to the original size
if (this.params["auto_size"] != true){ // this defaults to true so we only need to handle explicit false cases
flashVars += '&auto_size=false';
}
if (this.params["height"] && this.params["height"] != "parent"){
embedHeight = this.params["height"] + "px";
}
if (this.params["width"] && this.params["width"] != "parent"){
embedWidth = this.params["width"] + "px";
}
if (this.params["swf_name"]){
srcString = this.params["swf_name"];
}
if (this.document_id){
flashVars += '&document_id=' + this.document_id;
}
if (this.access_key){
flashVars += '&access_key=' + this.access_key;
}
if (this.params["page"]){
flashVars += '&page=' + this.params["page"];
}
if (this.extension_id){
flashVars += '&extension_id=' + this.extension_id;
}
if (this.params["extension"]){
flashVars += '&extension=' + this.params["extension"];
}
if (this.params["title"]){
flashVars += '&title=' + escape(this.params["title"]);
}
if (this.params["my_user_id"]){
flashVars += '&my_user_id=' + this.params["my_user_id"];
}
if (this.params["current_user_id"]){
flashVars += '¤t_user_id=' + this.params["current_user_id"];
}
if (this.params["search_query"]){
flashVars += '&search_query=' + escape(this.params["search_query"]);
}
if (this.params["search_keywords"]){
flashVars += '&search_keywords=' + escape(this.params["search_keywords"]);
} if (this.params["transferCookie"]==true){
flashVars += '&cookie=' + escape(document.cookie);
}
if (this.url){
flashVars += '&url=' + escape(this.url);
}
if (this.publisher_id){
flashVars += '&publisher_id=' + escape(this.publisher_id);
}
if (this.params["public"] == true){
flashVars += '&privacy=0';
}
else {
flashVars += '&privacy=1';
}
if (this.params["mode"]){
flashVars += '&viewMode=' + escape(this.params['mode']);
}
if (this.params["should_redirect"]){
flashVars += '&should_redirect=' + this.params["should_redirect"];
} var srcPath = "http://documents.scribd.com/";
if (this.params["use_ssl"]) {
srcPath = "https://s3.amazonaws.com/documents.scribd.com/";
} var embedString = Mod_AC_FL_RunContent(
'codebase',
'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0',
'width', embedWidth, 'height', embedHeight, 'flashvars',
flashVars, 'src', srcPath + srcString,
'quality', 'high', 'pluginspage',
'http://www.macromedia.com/go/getflashplayer', 'align',
'middle', 'play', 'true', 'loop', 'true', 'scale',
'showall', 'wmode', 'opaque', 'devicefont', 'false', 'id',
embedName, 'bgcolor', '#ffffff', 'name', embedName, 'menu',
'true', 'allowFullScreen', 'true', 'allowScriptAccess',
'always', 'movie', srcPath + srcString,
'salign', ''); var flash_ok = DetectFlashVer(9,0,0);
if (!flash_ok) {
embedString = '<div style="font-size:16px;width:300px;border:1px solid #dddddd;padding:3px">Hello, you have an old version of Adobe Flash Player. To use iPaper (and lots of other stuff on the web) you need to <a href="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash">get the latest Flash player</a>. </div>';
}
if(quickswitch)
{
// For QuickSwitch, we avoid calling innerHTML on an element that isn't
// directly attached to the body
// This avoids the IE issue where calling innerHTML on a block element that
// has in its ancestry an inline element will throw an exception
// set container innerHTML, which is a direct child of body
container.innerHTML = embedString;
// delete all child nodes of element
if (element.hasChildNodes()) {
while (element.childNodes.length >= 1) {
element.removeChild(element.firstChild);
}
}
// now that we've called innerHTML, we can attach the container to the element specified
element.appendChild(container);
}
else
{
element.innerHTML = embedString;
}
// mac mousewheel support - depricated
// var macMouse = new SWFMacMouseWheel(embedName);
}
}
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/* ------------------------
AC_RunActiveContent
Modified to return the embed string, rather than use document.write - modified functions prefixed with 'Mod_'
Implied consent for use: http://www.adobe.com/devnet/activecontent/articles/devletter.html
-------------------------- */ // v1.7
// Flash Player Version Detection
// Detect Client Browser type
// Copyright 2005-2007 Adobe Systems Incorporated. All rights reserved.
var isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false; var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false; function ControlVersion()
{
var version;
var axo;
var e; // NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry try {
// version will be set for 7.X or greater players
axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
version = axo.GetVariable("$version");
} catch (e) {
} if (!version)
{
try {
// version will be set for 6.X players only
axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
// installed player is some revision of 6.0
// GetVariable("$version") crashes for versions 6.0.22 through 6.0.29,
// so we have to be careful.
// default to the first public version
version = "WIN 6,0,21,0"; // throws if AllowScripAccess does not exist (introduced in 6.0r47)
axo.AllowScriptAccess = "always"; // safe to call for 6.0r47 or greater
version = axo.GetVariable("$version"); } catch (e) {
}
} if (!version)
{
try {
// version will be set for 4.X or 5.X player
axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
version = axo.GetVariable("$version");
} catch (e) {
}
} if (!version)
{
try {
// version will be set for 3.X player
axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
version = "WIN 3,0,18,0";
} catch (e) {
}
} if (!version)
{
try {
// version will be set for 2.X player
axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
version = "WIN 2,0,0,11";
} catch (e) {
version = -1;
}
}
return version;
} // JavaScript helper required to detect Flash Player PlugIn version information
function GetSwfVer(){
// NS/Opera version >= 3 check for Flash plugin in plugin array
var flashVer = -1;
if (navigator.plugins != null && navigator.plugins.length > 0) {
if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
var descArray = flashDescription.split(" ");
var tempArrayMajor = descArray[2].split(".");
var versionMajor = tempArrayMajor[0];
var versionMinor = tempArrayMajor[1];
var versionRevision = descArray[3];
if (versionRevision == "") {
versionRevision = descArray[4];
}
if (versionRevision[0] == "d") {
versionRevision = versionRevision.substring(1);
} else if (versionRevision[0] == "r") {
versionRevision = versionRevision.substring(1);
if (versionRevision.indexOf("d") > 0) {
versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
}
}
var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
}
}
// MSN/WebTV 2.6 supports Flash 4
else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
// WebTV 2.5 supports Flash 3
else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
// older WebTV supports Flash 2
else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
else if ( isIE && isWin && !isOpera ) {
flashVer = ControlVersion();
}
return flashVer;
} // When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
{
versionStr = GetSwfVer();
if (versionStr == -1 ) {
return false;
} else if (versionStr != 0) {
if(isIE && isWin && !isOpera) {
// Given "WIN 2,0,0,11"
tempArray = versionStr.split(" "); // ["WIN", "2,0,0,11"]
tempString = tempArray[1]; // "2,0,0,11"
versionArray = tempString.split(","); // ['2', '0', '0', '11']
} else {
versionArray = versionStr.split(".");
}
var versionMajor = versionArray[0];
var versionMinor = versionArray[1];
var versionRevision = versionArray[2]; // is the major.revision >= requested major.revision AND the minor version >= requested minor
if (versionMajor > parseFloat(reqMajorVer)) {
return true;
} else if (versionMajor == parseFloat(reqMajorVer)) {
if (versionMinor > parseFloat(reqMinorVer))
return true;
else if (versionMinor == parseFloat(reqMinorVer)) {
if (versionRevision >= parseFloat(reqRevision))
return true;
}
}
return false;
}
} function AC_AddExtension(src, ext)
{
if (src.indexOf('?') != -1)
return src.replace(/\?/, ext+'?');
else
return src + ext;
} function Mod_AC_Generateobj(objAttrs, params, embedAttrs)
{
var str = '';
if (isIE && isWin && !isOpera)
{
str += '<object ';
for (var i in objAttrs)
{
str += i + '="' + objAttrs[i] + '" ';
}
str += '>';
for (var i in params)
{
str += '<param name="' + i + '" value="' + params[i] + '" /> ';
}
str += '</object>';
}
else
{
str += '<embed ';
for (var i in embedAttrs)
{
str += i + '="' + embedAttrs[i] + '" ';
}
str += '> </embed>';
} return str;
} function Mod_AC_FL_RunContent(){
var ret = AC_GetArgs( arguments, ".swf", "movie", "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000", "application/x-shockwave-flash" );
return Mod_AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
} function Mod_AC_SW_RunContent(){
var ret =
AC_GetArgs
( arguments, ".dcr", "src", "clsid:166B1BCA-3F9C-11CF-8075-444553540000"
, null
);
return Mod_AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
} function AC_GetArgs(args, ext, srcParamName, classid, mimeType){
var ret = new Object();
ret.embedAttrs = new Object();
ret.params = new Object();
ret.objAttrs = new Object();
for (var i=0; i < args.length; i=i+2){
var currArg = args[i].toLowerCase(); switch (currArg){
case "classid":
break;
case "pluginspage":
ret.embedAttrs[args[i]] = args[i+1];
break;
case "src":
case "movie":
args[i+1] = AC_AddExtension(args[i+1], ext);
ret.embedAttrs["src"] = args[i+1];
ret.params[srcParamName] = args[i+1];
break;
case "onafterupdate":
case "onbeforeupdate":
case "onblur":
case "oncellchange":
case "onclick":
case "ondblclick":
case "ondrag":
case "ondragend":
case "ondragenter":
case "ondragleave":
case "ondragover":
case "ondrop":
case "onfinish":
case "onfocus":
case "onhelp":
case "onmousedown":
case "onmouseup":
case "onmouseover":
case "onmousemove":
case "onmouseout":
case "onkeypress":
case "onkeydown":
case "onkeyup":
case "onload":
case "onlosecapture":
case "onpropertychange":
case "onreadystatechange":
case "onrowsdelete":
case "onrowenter":
case "onrowexit":
case "onrowsinserted":
case "onstart":
case "onscroll":
case "onbeforeeditfocus":
case "onactivate":
case "onbeforedeactivate":
case "ondeactivate":
case "type":
case "codebase":
case "id":
ret.objAttrs[args[i]] = args[i+1];
break;
case "width":
case "height":
case "align":
case "vspace":
case "hspace":
case "class":
case "title":
case "accesskey":
case "name":
case "tabindex":
ret.embedAttrs[args[i]] = ret.objAttrs[args[i]] = args[i+1];
break;
default:
ret.embedAttrs[args[i]] = ret.params[args[i]] = args[i+1];
}
}
ret.objAttrs["classid"] = classid;
if (mimeType) ret.embedAttrs["type"] = mimeType;
return ret;
} // call callback function if defined
// this is used so we make sure view.js is loaded before calling
// other code that depends on it
if(typeof scribd_view_callback != "undefined") {
scribd_view_callback();
}
}/* ------------------------
(c) Scribd 2008
------------------------- */
想请教下上边的代码大概意思是什么意思呢,只想知道段落的大概意思。谢谢