// functions to display table of contents
var currentTOCItem = null;
var tocProlog =
'Table of contents'
+ ''
+ '';
var tocEpilog = '';
// Write the table of contents to the toc frame
function writeTOC() {
var content = '';
var row = 0;
for (i = 0; i < tocItems.length; i++) {
var tocItem = tocItems[i];
if (tocItem.getVisible()) {
content += tocItems.getRow(i, row);
row++;
}
}
var doc = toc.document;
// Save scrollTop
var scrollY;
if (doc.body && doc.body.scrollTop) {
scrollY = doc.body.scrollTop;
} else {
scrollY = 0;
}
if (doc.body.innerHTML) {
doc.body.innerHTML = content;
} else {
doc.open();
doc.writeln(tocProlog + content + tocEpilog);
doc.close();
}
// Restore scrollTop
toc.scroll(0, scrollY);
}
function monitorContent() {
if (typeof(getContentURL) != 'undefined') {
var contentURL = getContentURL(window.location, content.location);
if (currentTOCItem && (contentURL != currentTOCItem.url)) {
showURL(contentURL, false /* changeContent */);
}
}
window.setTimeout('monitorContent()', 1500); // Every 1.5 seconds
}
function showItem(id, changeCurrent, changeContent, mayCollapse) {
// Should be synchronized
var tocItem = tocItems.getItemByID(id);
if (tocItem) {
if (tocItem.expanded) {
if (mayCollapse)
tocItem.expanded = false;
if (tocItem.parentItem)
tocItem.parentItem.expand();
} else tocItem.expand();
}
if (changeCurrent)
currentTOCItem = tocItem;
writeTOC();
if (changeContent && tocItem && (tocItem.url != "")) {
if (tocItem.target == "")
content.location = tocItem.url;
else window.location = tocItem.url;
}
}
function showURL(url, changeContent) {
if (url)
showItem(tocItems.getItemIDByURL(url), true /* changeCurrent */, changeContent, false /* mayCollapse */);
}
function doLoad() {
// return the value of the url parameter
var s = location.search.substring(1);
var url = null;
var startPos = s.indexOf("url=");
if (startPos > -1) {
startPos = startPos + 4;
var endPos = s.indexOf("&", startPos);
if (endPos == -1)
endPos = s.length;
url = unescape(s.substring(startPos, endPos));
}
if (url)
showURL(url, true /* changeContent */);
else showItem(InitialID, true /*changeCurrent*/, false /*changeContent*/, false /*mayCollapse*/);
window.setTimeout('monitorContent()',3000);
}