var isDOM = (document.getElementById ? true : false);
var isIE  = (document.all ? true: false);
var isNS4 = (navigator.appName=='Netscape' && !isDOM ? true : false);
var isIE4 = ((isIE && !isDOM) ? true : false);
var isDyn = (isDOM || isIE4 || isNS4);


function getRef(id, par)
{
 if (!par) var par = window;
 return (isDOM ? document.getElementById(id) :
  (isIE4 ? document.all[id] : par.document.layers[id]));
}


function getSty(id, par)
{
 return (isNS4 ? getRef(id, par) : getRef(id, par).style)
}


function getLyr(id, par)
{
 var l = new Object();

 l.ref = getRef(id, par);
 l.sty = getSty(id, par);

 l.x = function(nX) { if (!isNaN(nX)) this.sty.left = nX; else return parseInt(this.sty.left) }
 l.y = function(nY) { if (!isNaN(nY)) this.sty.top = nY; else return parseInt(this.sty.top) }
 
 l.vis = function(val) { this.sty.visibility = val }

 l.bgColor = function(col) {
  if (!col) col = isNS4 ? null : 'transparent';
  if (isNS4) this.sty.bgColor = col;
  else this.sty.backgroundColor = col }

 l.write = function(txt) {
  if (isNS4) with (this.ref.document) { write(txt); close() }
  else this.ref.innerHTML = txt }

 return l;
}

function setLyr(lVis, docW, par)
{
 if (!this.seq) seq = 0;
 if (!docW) docW = 0;
 if (!par) var par = (isNS4 ? window : document.body);
 var newID = '_js_layer_' + seq++;

 if (isIE) par.insertAdjacentHTML('beforeEnd', '<div id="' + newID +
  '" style="position:absolute"></div>');
 else if (isDOM)
 {
  var newL = document.createElement('div');
  par.appendChild(newL);
  with (newL) { id = newID; style.position='absolute' }
 }
 else if (isNS4)
 {
  var newL = new Layer(docW, par);
  newID = newL.id;
 }

 var lObj = getLyr(newID, par);
 with (lObj) { vis(lVis); x(0); y(0); sty.width=docW }
 return lObj;
}


function popOver(mN, iN) { with (this)
{
 clearTimeout(popTimer);

 litOld = litNow;
 litNow = new Array();
 var litM = mN, litI = iN;
 while(1)
 {
  litNow[litM] = litI;
  if (litM == 'root') break;
  litI = menu[litM][0].parentItem;
  litM = menu[litM][0].parentMenu;
 }

 var same = true;
 for (var z in menu) if (litNow[z] != litOld[z]) same = false;
 if (same) return;


 for (thisM in menu)
 {
  litI = litNow[thisM];
  oldI = litOld[thisM];
  if (litI && (litI != oldI)) changeCol(thisM, litI, true);
  if (oldI && (oldI != litI)) changeCol(thisM, oldI, false);
  if (isNaN(litI)) { menu[thisM][0].lyr.vis('hidden') }
 } 


 var thisI = menu[mN][iN];
 if (thisI.type == 'sm:')
 {
  var lyrM = menu[mN][0].lyr;


  with (menu[thisI.href][0])
  {
   lyr.x(lyrM.x() + thisI.lyr.x() + eval(offX));
   lyr.y(lyrM.y() + thisI.lyr.y() + eval(offY));
   lyr.vis('visible');
  }
 }
}}


function popChangeCol(mN, iN, isOver) { with (this.menu[mN][iN])
{

 lyr.bgColor(isOver ? overCol : outCol);

 if (overClass == outClass) return;

 if (isNS4)
 {
  lyr.write(this.getHTML(mN, iN, isOver));
  with (lyr.ref.document)
  {
   captureEvents(Event.CLICK);
   onclick = new Function(this.objName + '.click(\'' + mN + '\',' + iN + ')');
  }
 }


 else with (lyr.ref)
 {
  var chl = (isDOM ? childNodes : children)
  for (var i = 0; i < chl.length; i++) chl[i].className = (isOver ? overClass : outClass);
 }
}}


function popOut(mN, iN) { with (this)
{
 var delay = ((mN == 'root') && (menu[mN][iN].type != 'sm:')) ? 50 : 500;
 popTimer = setTimeout(objName + '.over("root", 0)', delay);
}}


function popClick(mN, iN)
{
 with (this.menu[mN][iN]) switch (type)
 {
  case 'sm:': return;
  case 'js:': { eval(href); break }
  case '': type = 'window';
  default: if (href) eval(type + '.location.href = "' + href + '"');
 }

 this.over('root', 0);
}




function addProps(obj, data, names, addNull)
{
 for (var i = 0; i < names.length; i++) if(i < data.length || addNull) obj[names[i]] = data[i];
}

function ItemStyle()
{
 var names = ['len', 'spacing', 'popInd', 'popPos', 'pad', 'outCol', 'overCol', 'outClass',
  'overClass', 'borderClass'];
 addProps(this, arguments, names, true);
}

function popStartMenu(mName) { with (this)
{
 if (!menu[mName]) { menu[mName] = new Array(); menu[mName][0] = new Object(); }

 actMenu = mName;
 menu[mName].length = 1;
 nextItem = 1;
 var aM = menu[mName][0];


 var names = ['isVert', 'isVert', 'offX','offY', 'width', 'itemSty', 'parentMenu', 'parentItem'];
 addProps(aM, arguments, names, true);
 if (!aM.lyr) aM.lyr = null;
}}

function popAddItem() { with (this)
{
 var aI = menu[actMenu][nextItem++] = new Object();

 var names = ['text', 'href', 'type', 'itemSty', 'len', 'spacing', 'popInd', 'popPos',
  'iW', 'iH', 'lyr'];
 addProps(aI, arguments, names, true);

 var iSty = (arguments[3] ? arguments[3] : menu[actMenu][0].itemSty);
 for (prop in iSty) if (aI[prop] == window.UnDeFiNeD) aI[prop] = iSty[prop];

 if (isNS4 && aI.borderClass) aI.pad++;
}}




function popGetHTML(mN, iN, isOver) { with (this)
{
 var itemStr = '';
 with (menu[mN][iN])
 {
  var textClass = (isOver ? overClass : outClass);

  if ((type == 'sm:') && popInd)
  {
   if (isNS4) itemStr += '<layer class="' + textClass + '" left="'+ ((popPos+iW) % iW) +
    '" top="' + pad + '">' + popInd + '</layer>';
   else itemStr += '<div class="' + textClass + '" style="position: absolute; left: ' +
    ((popPos+iW) % iW) + '; top: ' + pad + '">' + popInd + '</div>';
  }

  if (isNS4) itemStr += (borderClass ? '<span class="' + borderClass + '">' +
   '<spacer type="block" width="' + (iW - 8) + '" height="' + (iH - 8) + '"></span>' : '') +
   '<layer left="' + pad + '" top="' + pad + '" width="' + (iW - (2 * pad)) + '" height="' +
   (iH - (2 * pad)) + '"><a class="' + textClass + '" href="#" ' +
   'onClick="' + objName + '.click(\'' + mN + '\',' + iN + '); return false" ' +
   'onMouseOver="status=\'\'; return true;">' + text + '</a></layer>';

  else itemStr += '<div class="' + textClass + '" style="position: absolute; left: ' + pad +
   '; top: ' + pad + '; width: ' + (iW - (2 * pad)) + '; height: ' + (iH - (2 * pad)) +
   '">' + text + '</div>';
 }
 return itemStr;
}}


function popUpdate() { with (this)
{

 if (!isDyn) return;


 for (mN in menu) with (menu[mN][0])
 {

  var str = '', iX = 0, iY = 0;



  for (var iN = 1; iN < menu[mN].length; iN++) with (menu[mN][iN])
  {
   var itemID = objName + '_' + mN + '_' + iN;
   if (type == 'sm:')
   {
    menu[href][0].parentMenu = mN;
    menu[href][0].parentItem = iN;
   }

   var shrink = (borderClass && isDOM && !isIE ? 2 : 0)
   iW = (isVert ? width : len) - shrink;
   iH = (isVert ? len : width) - shrink;
   if (isDOM || isIE4)
   {
    str += '<div id="' + itemID + '" ' + (borderClass ? 'class="' + borderClass + '" ' : '') +
     'style="position: absolute; left: ' + iX + '; top: ' + iY + '; width: ' + iW + '; height: ' +
     iH + '; ' + (outCol ? 'background: ' + outCol : '') + '" ';
   }
   if (isNS4)
   {
    str += '<layer id="' + itemID + '" left="' + iX + '" top="' + iY + '" width="' +
     iW + '" height="' + iH + '" ' + (outCol ? 'bgcolor="' + outCol + '" ' : '');
   }
   str += 'onMouseOver="' + objName + '.over(\'' + mN + '\',' + iN + ')" ' +
     'onMouseOut="' + objName + '.out(\'' + mN + '\',' + iN + ')" ' +
     'onClick="' + objName + '.click(\'' + mN + '\',' + iN + ')">' +
     getHTML(mN, iN, false) + (isNS4 ? '</layer>' : '</div>');
   if (isVert) iY += len + spacing - 1;
   else iX += len + spacing - 1;
  }
  if (!lyr) lyr = setLyr('hidden', 3);
  else if (isIE4) setTimeout(objName + '.menu.' + mN + '[0].lyr.sty.width = 9', 50);
  with (lyr) { sty.zIndex = 1000; write(str); sty.cursor = (isIE ? 'hand' : 'pointer') }
  for (var i = 1; i < menu[mN].length; i++)
  {
   menu[mN][i].lyr = getLyr(objName + '_' + mN + '_' + i, lyr.ref);
   if (isNS4) with (menu[mN][i].lyr.ref)
   {
    document.captureEvents(Event.CLICK);
    document.onclick = new Function(objName + '.click(\'' + mN + '\',' + i + ')');
   }
  }
 }
 position();
 menu.root[0].lyr.vis('visible');
}}
function PopupMenu(objName)
{
 this.objName = objName;
 this.popTimer = 0;
 this.menu =  new Array();
 this.litNow = new Array();
 this.litOld = new Array();
 this.actMenu = '';
 this.nextItem = 1;
 this.over = popOver;
 this.changeCol = popChangeCol;
 this.out = popOut;
 this.click = popClick;
 this.startMenu = popStartMenu;
 this.addItem = popAddItem;
 this.getHTML = popGetHTML;
 this.update = popUpdate;
 this.position = function() { with (this.menu.root[0])
 {
  if (!lyr) return;
  var winWidth = (isIE ? document.body.clientWidth : window.innerWidth)
  lyr.x(eval(offX));
  lyr.y(eval(offY));
 }}
}
var hBar = new ItemStyle(90, 0, '', 0, 0, '#000080', '#FFCC00', 'itemText', 'itemText', '');
var dBlue = new ItemStyle(22, 0, '&gt;', -15, 3, '#000080', '#FFCC00', 'itemText', 'itemHover',
 'itemBorder');
var pMenu = new PopupMenu('pMenu');
with (pMenu)
{
startMenu('root', false, 'winWidth/2 - 360', 0, 17, hBar);
addItem('Home', 'http://helenflynn.net/', '');
addItem('Latest News', 'http://helenflynn.net/journal/news.shtml', '');
addItem('Gallery', '/gallery/', '');
addItem('Itinerary', 'mItinerary', 'sm:');
addItem('Journal', 'mJournal', 'sm:');
addItem('Visitors\' Book', 'mVbook', 'sm:');
addItem('Contact Helen', 'http://helenflynn.net/info/contact.shtml', '');
addItem('About this Site', 'mAbout', 'sm:');
startMenu('mItinerary', true, 0, 17, 180, dBlue);
addItem('Itinerary', 'http://helenflynn.net/itin/', '');
addItem('Places Been, Sights Seen', 'http://helenflynn.net/itin/pbss.pl', '');
addItem('Route Maps', 'http://helenflynn.net/info/rmaps.shtml', '');
startMenu('mJournal', true, 0, 17, 180, dBlue);
addItem('Full Journal Index', 'http://helenflynn.net/journal/', '');
addItem('12th November 2003', 'http://helenflynn.net/journal/12nov2003.shtml', '');
addItem('7th August 2003', 'http://helenflynn.net/journal/07aug2003.shtml', '');
addItem('2nd July 2003', 'http://helenflynn.net/journal/02july2003.shtml', '');
addItem('8th February 2003', 'http://helenflynn.net/journal/08feb2003.shtml', '');
addItem('11th November 2002', 'http://helenflynn.net/journal/11nov2002.shtml', '');
addItem('19th July 2002', 'http://helenflynn.net/journal/19july2002.shtml', '');
addItem('3rd May 2002', 'http://helenflynn.net/journal/03may2002.shtml', '');
addItem('11th February 2002', 'http://helenflynn.net/journal/11feb2002.shtml', '');
addItem('20th December 2001', 'http://helenflynn.net/journal/20dec2001.shtml', '');
addItem('14th October 2001', 'http://helenflynn.net/journal/14oct2001.shtml', '');
addItem('9th July 2001', 'http://helenflynn.net/journal/09jul2001.shtml', '');
addItem('12th April 2001', 'http://helenflynn.net/journal/12apr2001.shtml', '');
addItem('6th April 2001', 'http://helenflynn.net/journal/06apr2001.shtml', '');
addItem('16th February 2001', 'http://helenflynn.net/journal/16feb2001.shtml', '');
addItem('23rd December 2000', 'http://helenflynn.net/journal/23dec2000.shtml', '');
addItem('17th October 2000', 'http://helenflynn.net/journal/17oct2000.shtml', '');
addItem('23rd September 2000', 'http://helenflynn.net/journal/23sep2000.shtml', '');
addItem('27th July 2000', 'http://helenflynn.net/journal/27jul2000.shtml', '');
addItem('30th May 2000', 'http://helenflynn.net/journal/30may2000.shtml', '');
addItem('14th April 2000', 'http://helenflynn.net/journal/14apr2000.shtml', '');
addItem('22nd February 2000', 'http://helenflynn.net/journal/22feb2000.shtml', '');
addItem('12th February 2000', 'http://helenflynn.net/journal/12feb2000.shtml', '');
addItem('18th December 1999', 'http://helenflynn.net/journal/18dec1999.shtml', '');
addItem('18th November 1999', 'http://helenflynn.net/journal/18nov1999.shtml', '');
addItem('27th October 1999', 'http://helenflynn.net/journal/27oct1999.shtml', '');
addItem('26th September 1999', 'http://helenflynn.net/journal/26sep1999.shtml', '');
addItem('4th September 1999', 'http://helenflynn.net/journal/04sep1999.shtml', '');
startMenu('mVbook', true, 0, 17, 180, dBlue);
addItem('Read the Visitors\' Book', 'http://www.TheGuestBook.com/vgbook/112496.gbook', '');
addItem('Sign the Visitors\' Book', 'http://www.TheGuestBook.com/egbook/112496.gbook', '');
startMenu('mAbout', true, 0, 17, 95, dBlue);
addItem('About this Site', 'http://helenflynn.net/info/about.shtml', '');
addItem('Comments', 'http://helenflynn.net/info/comments.shtml', '');
}
window.onload = new Function('pMenu.update()');
window.onresize = new Function('ns4BugCheck(); pMenu.position()');
var origWinWidth = window.innerWidth;
function ns4BugCheck()
{
 if (isNS4 && origWinWidth != window.innerWidth) location.reload()
}