function TVversion() { /* print version info */
 return "TreeView v.3.3 BETA (2001-04-01) [http://www.jSh.de/treeview/]"; }

/* read params, split key and viewKey etc. */
function initTreeView () {
 if (self.TVinitd) return;
 if (self.checkFrames && (""+window.innerWidth != "0")) {
     // not printing
     tmpTopName = parent.name; cutPos = UniqueID.length;
     if (tmpTopName.length > cutPos)
        tmpTopName = tmpTopName.substring(0, cutPos);
     if ((tmpTopName == UniqueID && parent.frames.length == 0)
     || (tmpTopName != UniqueID)) // check we're feeling at home ...
        if (confirm(navExplain)) { if (window.stop) window.stop();
        if (document.images) parent.location.replace(FrameSet);
        else parent.location.href = FrameSet; }
 }
 isOpera = (myIndexOf(navigator.userAgent, "Opera") > -1);
 if ((navigator.appName == "Netscape")
  && (navigator.appVersion.charAt(0) == "2")) // Doesn't know
  CurrPageFG = "#339933\"><B><CurrPage=\"YES"; // TD with BGCOLOR
 isDHTML = (document.all || document.layers);
 if ((navigator.appName == "Netscape") // Mac display refresh
  && (navigator.appVersion.charAt(0) == "4") // bug workaround
  && (myIndexOf(navigator.userAgent, "Macintosh") > -1)) isDHTML = false;
 if (document.layers && document.preamble)
  TVtop = document.preamble.clip.bottom;
 else if (document.all && document.all.preamble)
  TVtop = document.all.preamble.offsetHeight; else TVtop = 0;
// lenie: beeld bij netscape
 if ((navigator.appName == "Netscape") 
  && (navigator.appVersion.charAt(0) == "4") 
  && (TVtop == 0 )) {TVtop = 190;}

 if (self.topdisplacement != '') {TVtop = TVtop + self.topdisplacement;}
 if (!self.waitText) waitText = "Rendering tree, please wait...";
 currPosY = TVtop; TVentries = new Array(); TVkeys = new Array();
 TVcount = 0; showKey = printBuffer = ""; splitPrm(); TVinitd = true; }

/* split input to prm and viewKey */
function splitPrm() { input = "";
 if (parent.key)  input = ""+ parent.key;
 if ((input == "") || (myIndexOf(input, "<object") > -1)) input = InitialKey;
 pos = myIndexOf(input, "+"); if (pos < 0) viewKey = "";
 else { viewKey = input.substring(pos+1); input = input.substring(0, pos); }
 if (input == "") input = ".+."; prm = input; dontVKey = false; }

/* set visibility if isDHTML */
function DHTMLTreeView(currKey) { // must return true ...
 if (!isDHTML) return false; // ... only if display handled.
// TVentries[count](status{0=final,1=redraw}, text, key, link, TreePfx,
//  prefix, code, isCurrVisible, currTop); TVkeys[key](showSubs);
 TVkeys[currKey] = newVis = (!TVkeys[currKey]);
 if (self.singleBranch) for (var i = 1; i <= TVcount; i++)
  if (TVkeys[TVentries[i][2]] && (myIndexOf(currKey, TVentries[i][2]) != 0))
   TVkeys[TVentries[i][2]] = TVentries[i][0] = false;
 currPosY = TVtop; TVelemTop = TVelemBtm = 0;
 for (var j = 1; j < viewKey.length; j++) if (!dontVKey) {
  var viewSub = viewKey.substring(0, j);
  for (var i = 1; i <= TVcount; i++) if (!TVkeys[viewSub])
   TVentries[i][0] &= (TVentries[i][2] != viewSub);
  TVkeys[viewSub] = true; }
 if (TVkeys[currKey] != newVis) dontVKey = true;
 TVkeys[currKey] = newVis;
 for (var i = 1; i <= TVcount; i++) {
  var tmpKey = TVentries[i][2]; var isVisible = true;
  for (var j = 1; j < tmpKey.length; j++)
   isVisible &= TVkeys[tmpKey.substring(0, j)];
  if (self.viewMatchCnt && tmpKey != "*") isVisible
   &= (tmpKey.substring(0, viewMatchCnt)
   == viewKey.substring(0, viewMatchCnt));
  if (isVisible) {
   TVentries[i][0] &= ((tmpKey != currKey) && (tmpKey != viewKey));
   if (TVentries[i][8] != currPosY) { TVentries[i][8] = currPosY;
    if (document.layers) document.layers["TV"+i].top = currPosY;
    else document.all["TV"+i].style.top = currPosY; }
   if (tmpKey == showKey) TVelemTop = TVelemBtm = currPosY;
   if ((tmpKey.substring(0, showKey.length) == showKey)
    && (currPosY > TVelemBtm)) TVelemBtm = currPosY;
   currPosY += EntryHeight;
   if (!TVentries[i][0]) { treePfx = TVentries[i][4];
    prm = (TVkeys[tmpKey] ? tmpKey : tmpKey.substring(0, tmpKey.length-1));
    var retVal = wrtIdx(TVentries[i][1], tmpKey,
     TVentries[i][3], TVentries[i][5], TVentries[i][6]);
    if (document.all) document.all["TV"+i].innerHTML = retVal; else
     with (document.layers["TV"+i].document) { clear(); write(retVal); close(); }
    TVentries[i][0] = (tmpKey != viewKey); }}
  if (TVentries[i][7] != isVisible) { TVentries[i][7] = isVisible;
   if (document.layers)
    document.layers["TV"+i].visibility = (isVisible ? "show" : "hide");
   else document.all["TV"+i].style.display = (isVisible ? "block" : "none");
 }} // scroll new entry into view
 if (TVelemTop > 0) { TVelemBtm += EntryHeight;
  if (document.layers) { var ScreenTop = window.pageYOffset;
   var ScreenBtm = ScreenTop + window.innerHeight; }
  else { var ScreenTop = document.body.scrollTop;
   var ScreenBtm = ScreenTop + document.body.clientHeight; }
  if ((TVelemBtm > ScreenBtm) || (TVelemTop < ScreenTop)) {
   var scrollTo = ScreenTop + TVelemBtm - ScreenBtm;
   if (TVelemTop < scrollTo) scrollTo = TVelemTop;
   window.scrollTo(0, scrollTo); }
 } return true; }

/* expands an image */
function img (image, hint) {
     return "<IMG SRC=\"" + ImgRoot +"ix_"+ image +".gif\" ALT=\""+ hint +"\" BORDER=\"0\""  +" WIDTH=\""+ ImgWidth +"\" HEIGHT=\""+ ImgHeight +"\">"; 
}
/* expands a tree-code */
function tree (code) { var ret = "";
 if (myIndexOf(code, "null") > -1) return "";
 for (var i = 0; i < code.length; i++) { var c = code.charAt(i);
  if (c == '.') ret += img("space",""); if (c == '/') ret += img("line","");
  if (c >= '0' && c <= '9') ret += img(xImgs[c],""); if (!self.compactTree) {
   if (c == 'l') ret += img("list",""); if (c == 'L') ret += img("end", "");
   if (c == '+') ret += img("listp",ClosedBookHint);
   if (c == '*') ret += img("endp", ClosedBookHint);
   if (c == '-') ret += img("listm",OpenBookHint);
   if (c == '_') ret += img("endm", OpenBookHint); }
//  if (c == 'r') ret += img("open", TreeRootHint);
//  if (c == 'R') ret += img("link", TreeRootHint);
//  if (c == '#') ret += img("leaf", NormalPageHint);
//  if (c == 'x') ret += img("link", LinkedPageHint);
//  if (c == 'b') ret += img("book", ClosedBookHint);
//  if (c == 'o') ret += img("open", OpenBookHint);
 } return ret; }

/* removes quotes and HTML-Tags in status-text. */
function unquote (text) {
 var pos = myIndexOf(text, "\"");
 while (pos > -1) { text = text.substring(0, pos) +"``"+
  text.substring(pos+1); pos = myIndexOf(text, "\""); }
 var pos = myIndexOf(text, "'");
 while (pos > -1) { text = text.substring(0, pos) +"`"+
  text.substring(pos+1); pos = myIndexOf(text, "'"); }
 var pos = myIndexOf(text, "<"); var pos2 = myIndexOf(text, ">");
 while ((pos > -1) && (pos2 > -1) && (pos < pos2)) {
  text = text.substring(0, pos) + text.substring(pos2+1);
  pos = myIndexOf(text, "<"); pos2 = myIndexOf(text, ">");
 } return text; }

/* expands a link */
function lnk (key,xHref, onOver, misc, xText) { 
return "<A " 
 +" name=\"" + "_" + key + "_menu" + "\""
 +" id=\"" + "_" + key + "_menu" + "\""
 + " H"+"REF=\""
 + xHref +"\" " 
 +"ONMOUSEOVER=\"window.status='"+ onOver +"'; return true\" "
 +"ONMOUSEOUT=\"window.status=''; return true\""+ misc 
 + " oncontextmenu=\"{menu_cMenu_generate(window,'" + key + "');}\" " 
 +">"
 + xText 
 + "<\/A>"; }

/* writes tree code, marks active doc, adds link and text */
function wrtEntry (tree, key, link, text) {
 var split = myIndexOf(text, "|"); // split text and status
 if (split < 0) { var statusText = unquote(text); var tipText = ""; }
 else { var statusText = unquote(text.substring(split+1));
  var tipText = " TITLE=\""+ statusText +"\"";
  text = text.substring(0, split); }
 var pos = myIndexOf(text, " "); // make text non-breaking
 while (pos > -1) { text = text.substring(0, pos) +"&#160;"+
  text.substring(pos+1); pos = myIndexOf(text, " "); }
 var isCurr = (viewKey == key); 
 /* lvn 'k zal het zelf wel doorgeven als 't hoort zeker
  if  (link) {
     link = (link.charAt(0) == "|" ? link.substring(1) : DocRoot + link);
  }
 */
 if (link && !(isCurr && (isOpera || !LinkCurrPage))) text = lnk(key,link,
  statusText, (isCurr ? " STYLE=\"color:"+ CurrPageFG +";\"" : "") + tipText,
  (isCurr ? "<FONT COLOR=\""+ CurrPageFG +"\">"+ text +"<\/FONT>" : text));
 tableBeg = "<TABLE BORDER=\"0\" CELLSPACING=\"0\" CELLPADDING=\"0\"><TR>";
 return tableBeg +"<TD><FONT SIZE=\"1\">&#160;<\/TD><TD NOWRAP><NOBR>"+ tree
 +"<\/NOBR><\/TD><TD><FONT SIZE=\"1\">&#160;<\/TD><TD NOWRAP>"+ tableBeg
 + (!isCurr ? "<TD NOWRAP><NOBR><FONT FACE=\""+ FontFace +"\" SIZE=\"-1\">"
 : "<TD BGCOLOR=\""+ CurrPageBG +"\" NOWRAP><NOBR><FONT FACE=\""+ FontFace
 +"\" SIZE=\"-1\" COLOR=\""+ CurrPageFG +"\">") +"&#160;"+ text
 +"&#160;<\/FONT><\/NOBR><\/TD><\/TR><\/TABLE><\/TD><\/TR><\/TABLE>"; }

/* performs a reload-index-instruction with the new key */
function index (newKey, currKey, doneMouse) { window.status = waitText;
 if (document.all && document.all.waitMsg && !doneMouse) {
  document.all.waitMsg.style.top = document.body.scrollTop + 5;
  document.all.waitMsg.style.display = "block";
  window.setTimeout("index('"+newKey+"','"+currKey+"','true');", 50);
  return; } if (!self.currKey) showKey = ""; else showKey = currKey;
 if ((!self.currKey && (""+ currKey == "undefined")) || !isDHTML) {
  var pos = myIndexOf(newKey, "+");
  if (pos < 0) newHash = newKey +"+"+ viewKey; // missing viewKey
  else { if (pos > 0) newHash = newKey; // new prm & viewKey
   else { // keep prm, new viewKey
    var KeyAdd = newKey.substring(1); showKey = KeyAdd;
    if (myIndexOf(":"+prm+":", ":"+KeyAdd+":") > -1) newHash = prm + newKey;
    else // newKey needs to be added to prm
     newHash = ((prm == ".+.") ? "" : prm +":") + KeyAdd + newKey;
  }} parent.key = newHash;  splitPrm(); currKey = ""; TVkeys[viewKey] = true; }
 if (!DHTMLTreeView(currKey)) { // need to redisplay
  if (isOpera) location.reload(); else
   if (document.images) location.replace(location.href);
   else location.href = location.href;
 } else if (document.all && document.all.waitMsg) {
  document.all.waitMsg.style.display = "none"; } window.status = ""; }

/* compute the new prm for a book */
function makePrm (currPrm, add, sub) {
 if (myIndexOf(currPrm, " ") > -1) currPrm = ".+."; // catch NS2-bug
 if (add != "") // put in a key
  var newPrm = ((currPrm == ".+.") ? "" : currPrm +":") + add;
 if (sub != "") { // take out a key _and_it's_children_
  var newPrm = ":"+currPrm+":"; var cutPos = myIndexOf(newPrm, ":"+sub);
  while(cutPos > -1) { newPrm = newPrm.substring(0, cutPos) +
   newPrm.substring(myIndexOf(newPrm, ":", cutPos+1));
   cutPos = myIndexOf(newPrm, ":"+sub); } if (newPrm == ":") newPrm = ":*:";
  newPrm = newPrm.substring(1, newPrm.length-1);
 } if (myIndexOf(newPrm, " ") > -1) newPrm = currPrm;
 return newPrm; }

/* expands a reload-index-instruction with new prm */
function rld (currKey, newPrm, treecode, hint) {
 return lnk(currKey,"#\" ONCLICK=\"index('"+ newPrm +"+"+ viewKey +"', '"
 + currKey +"');return false\" TARGET=\"_self", hint, "", treecode); }

/* generate the HTML tables */
function wrtIdx (text, key, link, prefix, code) { var idxRet = "";
 var pos = myIndexOf(key, " "); if (pos > -1) key = key.substring(0, pos);
 var subKey = (key.length > 1 ? key.substring(0, key.length-1) : "");
 currIsVisible = (myIndexOf(":"+prm+":", ":"+subKey) > -1);
 if (self.viewMatchCnt && subKey != "") currIsVisible
  &= (subKey.substring(0, viewMatchCnt)
  == viewKey.substring(0, viewMatchCnt));
 if (currIsVisible || isDHTML) { var codePos = myIndexOf(code, "|");
  if (codePos > -1) { var prefixPos = myIndexOf(prefix, "|"); // isBook
   if (myIndexOf(":"+prm+":", ":"+key) < 0) // isCollapsed
    idxRet = tree(treePfx + (prefixPos < 0 ? prefix :
    prefix.substring(prefixPos+1))) + rld(key, makePrm(prm, key, ""),
    tree(code.substring(codePos+1)), ClosedBookStatus);
   else idxRet = tree(treePfx + (prefixPos < 0 ? prefix :
    prefix.substring(0, prefixPos))) + rld(key, makePrm(prm, "", key),
    tree(code.substring(0, codePos)), OpenBookStatus);
  } else idxRet = tree(treePfx + prefix + code); // isLeaf
  return wrtEntry(idxRet, key, link, text);
 } else return ""; }

/* adds the initial TreeView entries */
function idx (text, key, link, prefix, code, opts) {
 if (!key) key = "*"; if (!text) text = "";
 if (link) link += "\" TARGET=\""+ xTarget(opts); TVcount++;
 //alert (wrtIdx(text, key, link, prefix, code));
 var retVal = wrtIdx(text, key, link, prefix, code);
 if (document.layers) retVal = "<LAYER ID=\"TV"+ TVcount
 +"\" TOP=\""+ currPosY +"\" LEFT=\"0\" VISIBILITY=\""
 + (currIsVisible ? "show" : "hide") +"\">"+ retVal +"<\/LAYER>";
 if (document.all) retVal = "<DIV ID=\"TV"+ TVcount +"\""
 +" STYLE=\"position:absolute; top:"+ currPosY +"px; left:" + self.leftborder + "px; display:"
 + (currIsVisible ? "block" : "none") +";\">"+ retVal +"<\/DIV>";
 if (isDHTML) { TVkeys[key] = false; TVentries[TVcount] = new Array
  ((viewKey != key), text, key, link, treePfx, prefix, code, currIsVisible,
  currPosY); TVkeys[key.substring(0, key.length-1)] = currIsVisible; }
 wrt(retVal); if (currIsVisible) currPosY += EntryHeight; }

/* a 'clean' version of indexOf */
function myIndexOf(text, srch, start) {
 if (!start) start = 0; var pos = (""+ text).indexOf(srch, start);
 return (""+ pos != "" ? pos : -1); }

/* write to prnBuffer */
function wrt (text) { printBuffer += text +"\n"; }

/* writes the printBuffer */
function flush () { document.writeln(printBuffer); printBuffer = ""; }

/* test for option */
function is (opts, keyword) { return (myIndexOf(""+ opts, keyword) > -1); }

/* get custom target */
function xTarget (opts) { if (opts && is(opts, "target")) {
  opts += ","; startPos = myIndexOf(opts, "target=") + 7;
  return opts.substring(startPos, myIndexOf(opts, ",", startPos)); }
 else return "main"; }

/* get custom image */
function xImg (opts) { return (opts ? opts.substring
 (myIndexOf(opts, "img") + 3, myIndexOf(opts, "img") + 4) : ""); }

/* functions for building the tree with */
function initTree (text, key, link, opts) {
 initTreeView();
 treePfx = "";
 idx(text, key, link, (is(opts, "cntd.") ? "/" : (is(opts, "img") ? xImg(opts) : (is(opts, "link") ? "R":"r") ) ), "", opts);
}
function sub_Book (text, key, link, opts) {
 if (is(opts, "cntd.")) idx(text, key, link, "/|.", "|", opts);
 else { idx(text, key, link, "", (is(opts, "img") ? (is(opts, "last")
 ? "_"+xImg(opts)+"|*"+xImg(opts):"-"+xImg(opts)+"|+"+xImg(opts))
 : (is(opts, "last") ? "_o|*b":"-o|+b") ), opts );
 treePfx += (is(opts, "last") ? ".":"/"); }}
function lastBook (text, key, link, opts) {
 sub_Book(text, key, link, "last,"+ opts); }
function end_Book () { treePfx = treePfx.substring(0, treePfx.length-1); }
function sub_Page (text, key, link, opts) {
 idx(text, key, link, "", (is(opts, "cntd.") ? (is(opts, "last")
 ? "..":"/.") : (is(opts, "last") ? "L":"l") + (is(opts, "img")
 ? xImg(opts) : (is(opts, "link") ? "x":"#") ) ), opts); }
function lastPage (text, key, link, opts) {
 sub_Page(text, key, link, "last,"+ opts); }
function end_Tree () { idx(); if (document.layers) wrt("<LAYER ID=\"bottom\""
 +" TOP=\""+ (TVtop + EntryHeight * (TVcount-1)) +"\">&#160;<\/LAYER>");
 wrt("<INFO TEXT=\""+ TVversion() +"\">"); flush(); treePfx = ""; }

/* close all subtrees */
function closeAll() { if (isDHTML) {
 for (var i = 1; i <= TVcount; i++) if (TVkeys[TVentries[i][2]]) {
  TVkeys[TVentries[i][2]] = TVentries[i][0] = false; } index();
 if (document.layers) { ScreenTop = window.pageYOffset; scrollMax = 50
  + document.layers["TV"+TVcount].pageY - window.innerHeight;
 } else { ScreenTop = document.body.scrollTop; scrollMax = 50
  + document.all["TV"+TVcount].offsetTop - document.body.clientHeight;
 } if (ScreenTop > scrollMax) window.scrollTo(0, scrollMax); }}

/* open all subtrees */
function openAll() { if (isDHTML) { for (var i = 1; i <= TVcount; i++)
 if ((myIndexOf(TVentries[i][6], "|") > -1) && (!TVkeys[TVentries[i][2]])) {
  TVkeys[TVentries[i][2]] = true; TVentries[i][0] = false; } index(); }}

function menu_cMenu_generate(menuWin,objname) {
   var menuDivObj;
   var winAll = window.document.all;
   var menuObj= winAll["_" + objname + "_menu"];
   var parentWin = window;
   menuDivObj = winAll["_" +objname + "_cMenu"];
   if(menuDivObj) {
     // popupmenu alleady exists
     menuWin.event.returnValue = false;  // cancel default context menu
   } else {
     var menuDiv = '<div id="_'+objname+'_cMenu" name="_'+objname+'_cMenu" onblur="menu_cMenu(this);" oncontextmenu="return false;" onselectstart="return false"'
     + '  style="position: absolute; visibility: hidden; cursor: default; width: 167px; background-color: threedface;'
     + '         border: solid 1px; border-color: threedlightshadow threeddarkshadow threeddarkshadow threedlightshadow;"></div>'
     window.document.body.insertAdjacentHTML('beforeEnd', menuDiv);
     menuDivObj = winAll["_" +objname + "_cMenu"];
     
     menuWin.event.returnValue = false;  // cancel default context menu
     // define content menu options
     if (objname.length > 1) {
        var cMenuOptions = 
        [// menu name, shortcut displayed, javascript code
          ['Add entry before',   null, function() {alert("x"+objname);return;}],
          ['Add entry after',    null, function() {alert("c"+objname);}],
          ['---',                null, null], 
          ['Delete',             null, function() {alert("a"+objname);}],
         ];
     } else {
        var cMenuOptions = 
        [// menu name, shortcut displayed, javascript code
          ['Add entry before',   null, function() {alert("x"+objname);return;}],
          ['Add entry after',    null, function() {alert("c"+objname);}],
          ['---',                null, null], 
          ['Add submenu', null, function() {alert("v"+objname);}],
          ['---',                null, null],
          ['Delete',             null, function() {alert("a"+objname);}],
         ];
     }
     menu_cMenu.options = cMenuOptions; // save options
     // generate context menu
     var cMenuHeader = ''
       + '<table name="aha" border=0 cellspacing=0 cellpadding=0 width="100%" style="width: 167px; background-color: threedface; border: solid 1px; border-color: threedhighlight threedshadow threedshadow threedhighlight;">'
       + ' <tr><td colspan=2 height=1></td></tr>';
     var cMenuList = '';
     var cMenuFooter = ''
       + ' <tr><td colspan=2 height=1></td></tr>'
       + '</table>';
     for (var menuIdx in menu_cMenu.options) {
       var menuName = menu_cMenu.options[menuIdx][0];
       var menuKey  = menu_cMenu.options[menuIdx][1];
       var menuCode = menu_cMenu.options[menuIdx][2];
       // separator
       if (menuName == "---" || menuName == "separator") {
         cMenuList += ' <tr><td colspan=2 class="cMenuDivOuter"><div class="cMenuDivInner"></div></td></tr>';
       } else {
         // menu option
         cMenuList += '<tr class="cMenu" onMouseOver="menu_cMenu(this)" onMouseOut="menu_cMenu(this)" onClick="menu_cMenu(this, \'' +menuIdx+ '\',\'' +objname+ '\')">';
         if (menuKey) { cMenuList += ' <td align=left class="cMenu">' +menuName+ '</td><td align=right class="cMenu">' +menuKey+ '</td>'; }
         else         { cMenuList += ' <td colspan=2 class="cMenu">' +menuName+ '</td>'; }
         cMenuList += '</tr>';
       }
     }
     var cMenuHTML = cMenuHeader + cMenuList + cMenuFooter;
     menuDivObj.innerHTML = cMenuHTML;
   }
   menu_cMenu_setPosition(parentWin, menuWin, menuObj,menuDivObj);
   menuDivObj.style.visibility = 'visible';
   menuDivObj.focus();
}

function menu_cMenu_setPosition(parentWin, menuWin, menuObj,menuDivObj) {      // set object position that won't overlap window edge
  var event    = menuWin.event;
  var mouseY   = event.clientY;
  var cMenuH   = menuObj.offsetHeight;
  var pageH    = document.body.clientHeight + document.body.scrollTop;
  // set vertical position
  if (mouseY + 8 + cMenuH > pageH) {
     var top = mouseY - cMenuH + 8; 
  } else {
     // too far down
     var top = mouseY + 8;
  }
  menuDivObj.style.top = top;
  menuDivObj.style.left = 30;
}

function menu_cMenu(obj,menuIdx,objname) {
  var action = event.type;
  if      (action == "mouseover" && !obj.disabled && obj.tagName.toLowerCase() == 'tr') {
    obj.className = 'cMenuOver';
    for (var i=0; i < obj.cells.length; i++) { obj.cells[i].className = 'cMenuOver'; }
  }
  else if (action == "mouseout" && !obj.disabled && obj.tagName.toLowerCase() == 'tr')  {
    obj.className = 'cMenu';
    for (var i=0; i < obj.cells.length; i++) { obj.cells[i].className = 'cMenu'; }
  }
  else if (action == "click" && !obj.disabled) {
    document.all['_'+objname+'_cMenu'].style.visibility = "hidden";
    var menucode = menu_cMenu.options[menuIdx][2];
    menucode();
  }
  else if (action == "blur") {
    if (!_isMouseOver(obj,event)) { obj.style.visibility = 'hidden'; }
    else {
      if (obj.style.visibility != "hidden") { obj.focus(); }
    }
  }
  else { alert("menu_cMenu, unknown action: " + action); }
}
function _isMouseOver(obj,event) {       // determine if mouse is over object
  var mouseX    = event.clientX;
  var mouseY    = event.clientY;

  var objTop    = obj.offsetTop;
  var objBottom = obj.offsetTop + obj.offsetHeight;
  var objLeft   = obj.offsetLeft;
  var objRight  = obj.offsetLeft + obj.offsetWidth;

  if (mouseX >= objLeft && mouseX <= objRight &&
      mouseY >= objTop  && mouseY <= objBottom) { return true; }

  return false;
}