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_SETUP.1
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mtmcode.js
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2000-03-30
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// Morten's JavaScript Tree Menu
// written by Morten Wang <morten@treemenu.com> (c) 1998-2000
// This is version 2.2.6, dated 2000-03-30
// The script is freely distributable
// It may be used (and modified) as you wish, but retain this message
// For more information about the menu visit its home page
// http://www.treemenu.com/
/******************************************************************************
* Define the MenuItem object. *
******************************************************************************/
function MTMenuItem(text, url, target, icon) {
this.text = text;
this.url = url ? url : "";
this.target = target ? target : "";
this.icon = icon ? icon : "";
this.number = MTMSubNumber++;
this.submenu = null;
this.expanded = false;
this.MTMakeSubmenu = MTMakeSubmenu;
}
function MTMakeSubmenu(menu) {
this.submenu = menu;
}
/******************************************************************************
* Define the Menu object. *
******************************************************************************/
function MTMenu() {
this.items = new Array();
this.MTMAddItem = MTMAddItem;
}
function MTMAddItem(item) {
this.items[this.items.length] = item;
}
/******************************************************************************
* Define the icon list, addIcon function and MTMIcon item. *
******************************************************************************/
function IconList() {
this.items = new Array();
this.addIcon = addIcon;
}
function addIcon(item) {
this.items[this.items.length] = item;
}
function MTMIcon(iconfile, match, type) {
this.file = iconfile;
this.match = match;
this.type = type;
}
/******************************************************************************
* Global variables. Not to be altered unless you know what you're doing. *
* User-configurable options are at the end of this document. *
******************************************************************************/
var MTMLoaded = false;
var MTMLevel;
var MTMBar = new Array();
var MTMIndices = new Array();
var MTMBrowser = null;
var MTMNN3 = false;
var MTMNN4 = false;
var MTMIE4 = false;
var MTMUseStyle = true;
if(navigator.appName == "Netscape" && navigator.userAgent.indexOf("WebTV") == -1) {
if(parseInt(navigator.appVersion) == 3 && (navigator.userAgent.indexOf("Opera") == -1)) {
MTMBrowser = true;
MTMNN3 = true;
MTMUseStyle = false;
} else if(parseInt(navigator.appVersion) >= 4) {
MTMBrowser = true;
MTMNN4 = true;
}
} else if (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) >= 4) {
MTMBrowser = true;
MTMIE4 = true;
}
var MTMClickedItem = false;
var MTMExpansion = false;
var MTMSubNumber = 1;
var MTMTrackedItem = false;
var MTMTrack = false;
var MTMPreHREF = "";
if(MTMIE4 || MTMNN3) {
MTMPreHREF += document.location.href.substring(0, document.location.href.lastIndexOf("/") +1);
}
var MTMFirstRun = true;
var MTMCurrentTime = 0; // for checking timeout.
var MTMUpdating = false;
var MTMWinSize, MTMyval;
var MTMOutputString = "";
/******************************************************************************
* Code that picks up frame names of frames in the parent frameset. *
******************************************************************************/
if(MTMBrowser) {
var MTMFrameNames = new Array();
for(i = 0; i < parent.frames.length; i++)
MTMFrameNames[i] = parent.frames[i].name;
}
/******************************************************************************
* Dummy function for sub-menus without URLs *
* Thanks to Michel Plungjan for the advice. :) *
******************************************************************************/
function myVoid() { ; }
/******************************************************************************
* Functions to draw the menu. *
******************************************************************************/
function MTMSubAction(SubItem, ReturnValue) {
SubItem.expanded = (SubItem.expanded) ? false : true;
if(SubItem.expanded) {
MTMExpansion = true;
}
MTMClickedItem = SubItem.number;
if(MTMTrackedItem && MTMTrackedItem != SubItem.number) {
MTMTrackedItem = false;
}
if(!ReturnValue) {
setTimeout("MTMDisplayMenu()", 10);
}
return ReturnValue;
}
function MTMStartMenu() {
MTMLoaded = true;
if(MTMFirstRun) {
MTMCurrentTime++;
if(MTMCurrentTime == MTMTimeOut) { // call MTMDisplayMenu
setTimeout("MTMDisplayMenu()",10);
} else {
setTimeout("MTMStartMenu()",100);
}
}
}
function MTMDisplayMenu() {
if(MTMBrowser && !MTMUpdating) {
MTMUpdating = true;
MTMFirstRun = false;
if(MTMTrack) { MTMTrackedItem = MTMTrackExpand(menu); }
if(MTMExpansion && MTMSubsAutoClose) { MTMCloseSubs(menu); }
MTMLevel = 0;
MTMDoc = parent.frames[MTMenuFrame].document
MTMDoc.open("text/html", "replace");
MTMOutputString = '<html><head>';
if(MTMLinkedSS) {
MTMOutputString += '<link rel="stylesheet" type="text/css" href="' + MTMPreHREF + MTMSSHREF + '">';
} else if(MTMUseStyle) {
MTMOutputString += '<style type="text/css">body {color:' + MTMTextColor + ';background:';
MTMOutputString += (MTMBackground == "") ? MTMBGColor : MTMakeBackImage(MTMBackground);
MTMOutputString += ';} #root {color:' + MTMRootColor + ';background:' + ((MTMBackground == "") ? MTMBGColor : 'transparent') + ';font-family:' + MTMRootFont + ';font-size:' + MTMRootCSSize + ';} ';
MTMOutputString += 'a {font-family:' + MTMenuFont + ';font-size:' + MTMenuCSSize + ';text-decoration:none;color:' + MTMLinkColor + ';background:' + MTMakeBackground() + ';} ';
MTMOutputString += MTMakeA('pseudo', 'hover', MTMAhoverColor);
MTMOutputString += MTMakeA('class', 'tracked', MTMTrackColor);
MTMOutputString += MTMakeA('class', 'subexpanded', MTMSubExpandColor);
MTMOutputString += MTMakeA('class', 'subclosed', MTMSubClosedColor) + '</style>';
}
MTMOutputString += '</head><body ';
if(MTMBackground != "") {
MTMOutputString += 'background="' + MTMPreHREF + MTMenuImageDirectory + MTMBackground + '" ';
}
MTMOutputString += 'bgcolor="' + MTMBGColor + '" text="' + MTMTextColor + '" link="' + MTMLinkColor + '" vlink="' + MTMLinkColor + '" alink="' + MTMLinkColor + '">';
MTMOutputString += '<table border="0" cellpadding="0" cellspacing="0" width="' + MTMTableWidth + '">';
MTMOutputString += '<tr valign="top"><td nowrap><img src="' + MTMPreHREF + MTMenuImageDirectory + MTMRootIcon + '" align="left" border="0" vspace="0" hspace="0">';
if(MTMUseStyle) {
MTMOutputString += '<span id="root"> ' + MTMenuText + '</span>';
} else {
MTMOutputString += '<font size="' + MTMRootFontSize + '" face="' + MTMRootFont + '" color="' + MTMRootColor + '">' + MTMenuText + '</font>';
}
MTMDoc.writeln(MTMOutputString + '</td></tr>');
MTMListItems(menu);
MTMDoc.writeln('</table></body></html>');
MTMDoc.close();
if((MTMClickedItem || MTMTrackedItem) && (MTMNN4 || MTMIE4) && !MTMFirstRun) {
MTMItemName = "sub" + (MTMClickedItem ? MTMClickedItem : MTMTrackedItem);
if(document.layers && parent.frames[MTMenuFrame].scrollbars) {
MTMyval = parent.frames[MTMenuFrame].document.anchors[MTMItemName].y;
MTMWinSize = parent.frames[MTMenuFrame].innerHeight;
} else {
MTMyval = MTMGetPos(parent.frames[MTMenuFrame].document.all[MTMItemName]);
MTMWinSize = parent.frames[MTMenuFrame].document.body.offsetHeight;
}
if(MTMyval > (MTMWinSize - 60)) {
parent.frames[MTMenuFrame].scrollBy(0, parseInt(MTMyval - (MTMWinSize * 1/3)));
}
}
MTMClickedItem = false;
MTMExpansion = false;
MTMTrack = false;
}
MTMUpdating = false;
}
function MTMListItems(menu) {
var i, isLast;
for (i = 0; i < menu.items.length; i++) {
MTMIndices[MTMLevel] = i;
isLast = (i == menu.items.length -1);
MTMDisplayItem(menu.items[i], isLast);
if (menu.items[i].submenu && menu.items[i].expanded) {
MTMBar[MTMLevel] = (isLast) ? false : true;
MTMLevel++;
MTMListItems(menu.items[i].submenu);
MTMLevel--;
} else {
MTMBar[MTMLevel] = false;
}
}
}
function MTMDisplayItem(item, last) {
var i, img, more;
if(item.submenu) {
var MTMouseOverText;
var MTMClickCmd;
var MTMDblClickCmd = false;
var MTMfrm = "parent.frames['code']";
var MTMref = '.menu.items[' + MTMIndices[0] + ']';
if(MTMLevel > 0) {
for(i = 1; i <= MTMLevel; i++) {
MTMref += ".submenu.items[" + MTMIndices[i] + "]";
}
}
if(!MTMEmulateWE && !item.expanded && (item.url != "")) {
MTMClickCmd = "return " + MTMfrm + ".MTMSubAction(" + MTMfrm + MTMref + ",true);";
} else {
MTMClickCmd = "return " + MTMfrm + ".MTMSubAction(" + MTMfrm + MTMref + ",false);";
}
if(item.url == "") {
MTMouseOverText = (item.text.indexOf("'") != -1) ? MTMEscapeQuotes(item.text) : item.text;
} else {
MTMouseOverText = "Expand/Collapse";
}
}
MTMOutputString = '<tr valign="top"><td nowrap>';
if(MTMLevel > 0) {
for (i = 0; i < MTMLevel; i++) {
MTMOutputString += (MTMBar[i]) ? MTMakeImage("menu_bar.gif") : MTMakeImage("menu_pixel.gif");
}
}
more = false;
if(item.submenu) {
if(MTMSubsGetPlus || MTMEmulateWE) {
more = true;
} else {
for (i = 0; i < item.submenu.items.length; i++) {
if (item.submenu.items[i].submenu) {
more = true;
}
}
}
}
if(!more) {
img = (last) ? "menu_corner.gif" : "menu_tee.gif";
} else {
if(item.expanded) {
img = (last) ? "menu_corner_minus.gif" : "menu_tee_minus.gif";
} else {
img = (last) ? "menu_corner_plus.gif" : "menu_tee_plus.gif";
}
if(item.url == "" || item.expanded || MTMEmulateWE) {
MTMOutputString += MTMakeVoid(item, MTMClickCmd, MTMouseOverText);
} else {
MTMOutputString += MTMakeLink(item, true) + ' onclick="' + MTMClickCmd + '">';
}
}
MTMOutputString += MTMakeImage(img);
if(item.submenu) {
if(MTMEmulateWE && item.url != "") {
MTMOutputString += '</a>' + MTMakeLink(item, false) + '>';
}
img = (item.expanded) ? "menu_folder_open.gif" : "menu_folder_closed.gif";
if(!more) {
if(item.url == "" || item.expanded) {
MTMOutputString += MTMakeVoid(item, MTMClickCmd, MTMouseOverText);
} else {
MTMOutputString += MTMakeLink(item, true) + ' onclick="' + MTMClickCmd + '">';
}
}
MTMOutputString += MTMakeImage(img);
} else {
MTMOutputString += MTMakeLink(item, true) + '>';
img = (item.icon != "") ? item.icon : MTMFetchIcon(item.url);
MTMOutputString += MTMakeImage(img);
}
if(item.submenu && (item.url != "") && (item.expanded && !MTMEmulateWE)) {
MTMOutputString += '</a>' + MTMakeLink(item, false) + '>';
}
if(MTMNN3 && !MTMLinkedSS) {
var stringColor;
if(item.submenu && (item.url == "") && (item.number == MTMClickedItem)) {
stringColor = (item.expanded) ? MTMSubExpandColor : MTMSubClosedColor;
} else if(MTMTrackedItem && MTMTrackedItem == item.number) {
stringColor = MTMTrackColor;
} else {
stringColor = MTMLinkColor;
}
MTMOutputString += '<font color="' + stringColor + '" size="' + MTMenuFontSize + '" face="' + MTMenuFont + '">';
}
MTMOutputString += ' ' + item.text + ((MTMNN3 && !MTMLinkedSS) ? '</font>' : '') + '</a>' ;
MTMDoc.writeln(MTMOutputString + '</td></tr>');
}
function MTMEscapeQuotes(myString) {
var newString = "";
var cur_pos = myString.indexOf("'");
var prev_pos = 0;
while (cur_pos != -1) {
if(cur_pos == 0) {
newString += "\\";
} else if(myString.charAt(cur_pos-1) != "\\") {
newString += myString.substring(prev_pos, cur_pos) + "\\";
} else if(myString.charAt(cur_pos-1) == "\\") {
newString += myString.substring(prev_pos, cur_pos);
}
prev_pos = cur_pos++;
cur_pos = myString.indexOf("'", cur_pos);
}
return(newString + myString.substring(prev_pos, myString.length));
}
function MTMTrackExpand(thisMenu) {
var i, targetPath;
var foundNumber = false;
for(i = 0; i < thisMenu.items.length; i++) {
if(thisMenu.items[i].url != "" && MTMTrackTarget(thisMenu.items[i].target)) {
targetPath = parent.frames[thisMenu.items[i].target].location.pathname;
if(targetPath.lastIndexOf(thisMenu.items[i].url) != -1 && (targetPath.lastIndexOf(thisMenu.items[i].url) + thisMenu.items[i].url.length) == targetPath.length) {
return(thisMenu.items[i].number);
}
}
if(thisMenu.items[i].submenu) {
foundNumber = MTMTrackExpand(thisMenu.items[i].submenu);
if(foundNumber) {
if(!thisMenu.items[i].expanded) {
thisMenu.items[i].expanded = true;
if(!MTMClickedItem) { MTMClickedItem = thisMenu.items[i].number; }
MTMExpansion = true;
}
return(foundNumber);
}
}
}
return(foundNumber);
}
function MTMCloseSubs(thisMenu) {
var i, j;
var foundMatch = false;
for(i = 0; i < thisMenu.items.length; i++) {
if(thisMenu.items[i].submenu && thisMenu.items[i].expanded) {
if(thisMenu.items[i].number == MTMClickedItem) {
foundMatch = true;
for(j = 0; j < thisMenu.items[i].submenu.items.length; j++) {
if(thisMenu.items[i].submenu.items[j].expanded) {
thisMenu.items[i].submenu.items[j].expanded = false;
}
}
} else {
if(foundMatch) {
thisMenu.items[i].expanded = false;
} else {
foundMatch = MTMCloseSubs(thisMenu.items[i].submenu);
if(!foundMatch) {
thisMenu.items[i].expanded = false;
}
}
}
}
}
return(foundMatch);
}
function MTMFetchIcon(testString) {
var i;
for(i = 0; i < MTMIconList.items.length; i++) {
if((MTMIconList.items[i].type == 'any') && (testString.indexOf(MTMIconList.items[i].match) != -1)) {
return(MTMIconList.items[i].file);
} else if((MTMIconList.items[i].type == 'pre') && (testString.indexOf(MTMIconList.items[i].match) == 0)) {
return(MTMIconList.items[i].file);
} else if((MTMIconList.items[i].type == 'post') && (testString.indexOf(MTMIconList.items[i].match) != -1)) {
if((testString.lastIndexOf(MTMIconList.items[i].match) + MTMIconList.items[i].match.length) == testString.length) {
return(MTMIconList.items[i].file);
}
}
}
return("menu_link_default.gif");
}
function MTMGetPos(myObj) {
return(myObj.offsetTop + ((myObj.offsetParent) ? MTMGetPos(myObj.offsetParent) : 0));
}
function MTMCheckURL(myURL) {
var tempString = "";
if((myURL.indexOf("http://") == 0) || (myURL.indexOf("https://") == 0) || (myURL.indexOf("mailto:") == 0) || (myURL.indexOf("ftp://") == 0) || (myURL.indexOf("telnet:") == 0) || (myURL.indexOf("news:") == 0) || (myURL.indexOf("gopher:") == 0) || (myURL.indexOf("nntp:") == 0) || (myURL.indexOf("javascript:") == 0)) {
tempString += myURL;
} else {
tempString += MTMPreHREF + myURL;
}
return(tempString);
}
function MTMakeVoid(thisItem, thisCmd, thisText) {
var tempString = "";
tempString += '<a name="sub' + thisItem.number + '" href="javascript:parent.frames[\'code\'].myVoid();" onclick="' + thisCmd + '" onmouseover="window.status=\'' + thisText + '\';return true;" onmouseout="window.status=\'' + window.defaultStatus + '\';return true;"';
if(thisItem.number == MTMClickedItem) {
var tempClass;
tempClass = thisItem.expanded ? "subexpanded" : "subclosed";
tempString += ' class="' + tempClass + '"';
}
return(tempString + '>');
}
function MTMakeLink(thisItem, addName) {
var tempString = '<a';
if(MTMTrackedItem && MTMTrackedItem == thisItem.number) {
tempString += ' class="tracked"'
}
if(addName) {
tempString += ' name="sub' + thisItem.number + '"';
}
tempString += ' href="' + MTMCheckURL(thisItem.url) + '"';
if(thisItem.target != "") {
tempString += ' target="' + thisItem.target + '"';
}
return tempString;
}
function MTMakeImage(thisImage) {
return('<img src="' + MTMPreHREF + MTMenuImageDirectory + thisImage + '" align="left" border="0" vspace="0" hspace="0" width="18" height="18">');
}
function MTMakeBackImage(thisImage) {
var tempString = 'transparent url("' + ((MTMPreHREF == "") ? "" : MTMPreHREF);
tempString += MTMenuImageDirectory + thisImage + '")'
return(tempString);
}
function MTMakeA(thisType, thisText, thisColor) {
var tempString = "";
tempString += 'a' + ((thisType == "pseudo") ? ':' : '.');
return(tempString + thisText + '{color:' + thisColor + ';background:' + MTMakeBackground() + ';}');
}
function MTMakeBackground() {
return((MTMBackground == "") ? MTMBGColor : 'transparent');
}
function MTMTrackTarget(thisTarget) {
if(thisTarget.charAt(0) == "_") {
return false;
} else {
for(i = 0; i < MTMFrameNames.length; i++) {
if(thisTarget == MTMFrameNames[i]) {
return true;
}
}
}
return false;
}