// *** COMMON CROSS-BROWSER COMPATIBILITY CODE ***



var isDOM=document.getElementById?1:0;

var isIE=document.all?1:0;

var isNS4=navigator.appName=='Netscape'&&!isDOM?1:0;

var isIE4=isIE&&!isDOM?1:0;

var isOp=window.opera?1:0;

var isDyn=isDOM||isIE||isNS4;





function getRef(id, par)

{

 par=!par?document:(par.navigator?par.document:par);

 return (isIE ? par.all[id] :

  (isDOM ? (par.getElementById?par:par.ownerDocument).getElementById(id) :

  (isNS4 ? par.layers[id] : null)));

}



function getSty(id, par)

{

 var r=getRef(id, par);

 return r?(isNS4?r:r.style):null;

}



function getStyleClass (className) {

  var re = new RegExp("\\." + className + "$", "gi");

  if (document.all) {

    for (var s = 0; s < document.styleSheets.length; s++)

      for (var r = 0; r < document.styleSheets[s].rules.length; r++)

        if (document.styleSheets[s].rules[r].selectorText.search(re) != -1) {

          return document.styleSheets[s].rules[r].style;

        }

  }

  else if (document.getElementById) {

    for (var s = 0; s < document.styleSheets.length; s++)

      for (var r = 0; r < document.styleSheets[s].cssRules.length; r++)

        if (document.styleSheets[s].cssRules[r].selectorText.search(re) != -1) {

          document.styleSheets[s].cssRules[r].sheetIndex = s;

          document.styleSheets[s].cssRules[r].ruleIndex = s;

          return document.styleSheets[s].cssRules[r].style;

        }

  }

  else if (document.layers)

    return document.classes[className].all;

  return null;

}

//  Gets a specific property value for the class selected

function getStyleClassProperty (className, propertyName) {

  var styleClass = getStyleClass(className);

  if (styleClass)

    return styleClass[propertyName];

  else 

    return null;

}



if (!window.LayerObj) var LayerObj = new Function('id', 'par',

 'this.ref=getRef(id, par); this.sty=getSty(id, par); return this');

function getLyr(id, par) { return new LayerObj(id, par) }



function LyrFn(fn, fc)

{

 LayerObj.prototype[fn] = new Function('var a=arguments,p=a[0],px=isNS4||isOp?0:"px"; ' +

  'with (this) { '+fc+' }');

}

LyrFn('x','if (!isNaN(p)) sty.left=p+px; else return parseInt(sty.left)');

LyrFn('y','if (!isNaN(p)) sty.top=p+px; else return parseInt(sty.top)');

LyrFn('vis','sty.visibility=p');

LyrFn('bgColor','if (isNS4) sty.bgColor=p?p:null; ' +

 'else sty.background=p?p:"transparent"');

LyrFn('bgImage','if (isNS4) sty.background.src=p?p:null; ' +

 'else sty.background=p?"url("+p+")":"transparent"');

LyrFn('clip','if (isNS4) with(sty.clip){left=a[0];top=a[1];right=a[2];bottom=a[3]} ' +

 'else sty.clip="rect("+a[1]+"px "+a[2]+"px "+a[3]+"px "+a[0]+"px)" ');

LyrFn('write','if (isNS4) with (ref.document){write(p);close()} else ref.innerHTML=p');

LyrFn('alpha','var f=ref.filters,d=(p==null); if (f) {' +

 'if (!d&&sty.filter.indexOf("alpha")==-1) sty.filter+=" alpha(opacity="+p+")"; ' +

 'else if (f.length&&f.alpha) with(f.alpha){if(d)enabled=false;else{opacity=p;enabled=true}} }' +

 'else if (isDOM) sty.MozOpacity=d?"":p+"%"');





function setLyr(lVis, docW, par)

{

 if (!setLyr.seq) setLyr.seq=0;

 if (!docW) docW=0;

 var obj = (!par ? (isNS4 ? window : document.body) :

  (!isNS4 && par.navigator ? par.document.body : par));

 var IA='insertAdjacentHTML', AC='appendChild', newID='_js_layer_'+setLyr.seq++;



 if (obj[IA]) obj[IA]('beforeEnd', '<div id="'+newID+'" style="position:absolute"></div>');

 else if (obj[AC])

 {

  var newL=document.createElement('div');

  obj[AC](newL); newL.id=newID; newL.style.position='absolute';

 }

 else if (isNS4)

 {

  var newL=new Layer(docW, obj);

  newID=newL.id;

 }



 var lObj=getLyr(newID, par);

 with (lObj) if (ref) { vis(lVis); x(0); y(0); sty.width=docW+(isNS4?0:'px') }

 return lObj;

}





var CSSmode=document.compatMode;

CSSmode=(CSSmode&&CSSmode.indexOf('CSS')!=-1)||isDOM&&!isIE||isOp?1:0;



if (!window.page) var page = { win: window, minW: 0, minH: 0, MS: isIE&&!isOp,

 db: CSSmode?'documentElement':'body' }



page.winW=function()

 { with (this) return Math.max(minW, MS?win.document[db].clientWidth:win.innerWidth) }

page.winH=function()

 { with (this) return Math.max(minH, MS?win.document[db].clientHeight:win.innerHeight) }



page.scrollX=function()

 { with (this) return MS?win.document[db].scrollLeft:win.pageXOffset }

page.scrollY=function()

 { with (this) return MS?win.document[db].scrollTop:win.pageYOffset }



// Most of these are passed the relevant 'menu Name' and 'item Number'.

// The 'with (this)' means it uses the properties and functions of the current menu object.

function popOver(mN, iN) { with (this)

{

 // Cancel any pending menu hides from a previous mouseout.

 clearTimeout(hideTimer);



 // if there is a modal window, and it is not closed.... then don't allow menus to appear

 //

 if (window.winModalWindow) {

 	if (window.winModalWindow.closed == false) {

		return;

	}

 }



 // Set the 'over' variables to point to this item.

 overM = mN;

 overI = iN;

 // Call the 'onMouseOver' event if it exists, and the item number is 1 or more.

 if (iN && this.onmouseover) onmouseover(mN, iN);





 // Remember what was lit last time, and compute a new hierarchy.

 litOld = litNow;

 litNow = new Array();

 var litM = mN, litI = iN;

 while(1)

 {

  litNow[litM] = litI;

  // If we've reached the top of the hierarchy, exit loop.

  if (litM == 'root') break;

  // Otherwise repeat with this menu's parent.

  litI = menu[litM][0].parentItem;

  litM = menu[litM][0].parentMenu;

 }



 // If the two arrays are the same, return... no use hiding/lighting otherwise.

 var same = true;

 for (var z in menu) if (litNow[z] != litOld[z]) same = false;

 if (same) return;



 // If this is a different menu, clear another pending show.

 clearTimeout(showTimer);







 // Cycle through menu array, lighting and hiding menus as necessary.

 for (thisM in menu) with (menu[thisM][0])

 {

  // Doesn't exist yet? Keep rollin'...

  if (!lyr) continue;



  // The number of this menu's item that is to be lit, undefined if none.

  litI = litNow[thisM];

  oldI = litOld[thisM];



  // If it's lit now and wasn't before, highlight...

  if (litI && (litI != oldI)) changeCol(thisM, litI, true);



  // If another item was lit but isn't now, dim the old item.

  if (oldI && (oldI != litI)) changeCol(thisM, oldI, false);



  // Make sure if it's lit, it's shown, and set the visNow flag.

  if (litI && !visNow && (thisM != 'root'))

  {

   showMenu(thisM);

   visNow = true;

  }



  // If this menu has no items from the current hierarchy in it, and is currently

  // onscreen, call the hide function.

  if (isNaN(litI) && visNow)

  {

   hideMenu(thisM);

   visNow = false;

  }

 }





 // Get target menu to show - if we've got one, position & show it.

 // If this menu is set to show submenus on click, skip this.

 nextMenu = '';

 if ((menu[mN][iN].type == 'sm:') && !menu[mN][0].subsOnClick)

 {

  // The target menu and the layer object of the current menu itself (not this item).

  var targ = menu[mN][iN].href, lyrM = menu[mN][0].lyr;



  // Either show immediately or after a delay if set by passing it to the position and show functions.

  // Set nextMenu to the impending show, so the popOut() function knows when not to cancel it.

  var showStr = 'with ('+myName+') { menu.'+targ+'[0].visNow = true; ' +

   'position("'+targ+'"); showMenu("'+targ+'") }';

  nextMenu = targ;

  if (showDelay) showTimer = setTimeout(showStr, showDelay);

  else eval(showStr);

 }

}



hideSelects();



}





function popOut(mN, iN) { with (this)

{

 

 // Sometimes, across frames, overs and outs can get confused.

 // So, return if we're exiting an item we have yet to enter...

 if ((mN != overM) || (iN != overI)) return;



 // Evaluate the onmouseout event, if any.

 if (this.onmouseout) onmouseout(mN, iN);



 var thisI = menu[mN][iN];



 // Stop showing another menu if this item isn't pointing to the same one.

 if (thisI.href != nextMenu)

 {

  clearTimeout(showTimer);

  nextMenu = '';

 }

 

 // Hide all menus rapidly (if it's a root menu item without a popout) or as specified.

 // Remember that the timeout is cancelled by another instance of the over function.

 // Calling 'over("root", 0)' hides all menus but the root menu, and highlights no items.

 // If hideDelay equals zero the menus are never hidden.

 if (hideDelay)

 {

  var delay = ((mN == 'root') && (thisI.type != 'sm:')) ? 50 : hideDelay;

  hideTimer = setTimeout(myName + '.over("root", 0);showSelects();', 0);

 }



 // Clear the 'over' variables.

 overM = 'root';

 overI = 0;

}}





function popClick(mN, iN) { with (this)

{

 // Evaluate the onclick event, if any.

 if (this.onclick) onclick(mN, iN);



 var thisI = menu[mN][iN], hideM = true;



 with (thisI) switch (type)

 {

  // Targeting another popout? Either activate show-on-click or skip to the end.

  case 'sm:':

  {

   if (menu[overM][0].subsOnClick)

   {

    menu[href][0].visNow = true;

    position(href);

    showMenu(href);

    hideM = false;

   }

   // navigate to the hRef specified for the submenu itself, if any



   if (thisI.menuHRef) window.location.href = menuHRef;

   break;

  }

  // A JavaScript function? Eval() it and break out of switch.

  case 'js:': { eval(href); break }

  // Otherwise, point to the window if nothing else and navigate.

  case '': type = 'window';

  default: if (href) eval(type + '.location.href = "' + href + '"');

 }



 // Hide all menus if we're supposed to.

 if (hideM) over('root', 0);

}}





function popChangeCol(mN, iN, isOver) { with (this.menu[mN][iN])

{

 if (!lyr || !lyr.ref) return;



 // Pick a new background colour, and decide on whether it's an image (contains a period?).

 var col = isOver?overCol:outCol;

 var bgFn = (col.indexOf('.')==-1) ? 'bgColor' : 'bgImage';

 // Then we do it before or after the text/border change due to Netscape bugs.

 if (isNS4) lyr[bgFn](col);



 // Test for CSS text/border style changes, we can skip them if not needed.

 // In Netscape 4, rewrite layer contents if required (causes a little flickering)...

 // Otherwise manipulate the DOM tree for IE/NS6+ (faster than rewriting contents).

 if ((overClass != outClass) || (outBorder != overBorder)) with (lyr)

 {

  if (isNS4) write(this.getHTML(mN, iN, isOver));

  else

  {

   ref.className = (isOver ? overBorder : outBorder);

   var chl = (isDOM ? ref.childNodes : ref.children)

   if (chl) for (var i = 0; i < chl.length; i++) chl[i].className = isOver?overClass:outClass;

  }

 }

 if (!isNS4) lyr[bgFn](col);



 // Alpha filtering activated? Might as well set that then too...

 // Weirdly it has to be done after the border change, another random Mozilla bug...

 if (outAlpha != overAlpha) lyr.alpha(isOver ? overAlpha : outAlpha);

}}





function popPosition(posMN) { with (this)

{

 // Pass a menu name to position, or nothing to position all menus.

 for (mN in menu)

 {

  if (posMN && (posMN != mN)) continue;

  with (menu[mN][0])

  {

   // If the menu hasn't been created or is not set to be visible, loop.

   if (!lyr || !lyr.ref || !visNow) continue;



   // Set up some variables and the initial calculated positions.

   var pM, pI, newX = eval(offX), newY = eval(offY);

   // Find its parent menu references, if it's not the topmost root menu.

   if (mN != 'root')

   {

    pM = menu[parentMenu];

    pI = pM[parentItem].lyr;

    // Having no parent item is a bad thing, especially in cross-frame code.

    if (!pI) continue;

   }



   // Find parent window for correct page object, or this window if not.

   var eP = eval(par);

   var pW = (eP && eP.navigator ? eP : window);



   // Find proper numerical values for the current window position + edges, so menus

   // don't make a beeline for the upper-left corner of the page.

   with (pW.page) var sX=scrollX(), wX=sX+winW(), sY=scrollY(), wY=winH()+sY;

   wX = isNaN(wX)||!wX ? 9999 : wX;

   wY = isNaN(wY)||!wY ? 9999 : wY;



   // Relatively positioned submenus? Add parent menu/item position & check screen edges.

   if (pM && typeof(offX)=='number') newX = Math.max(sX,

    Math.min(newX+pM[0].lyr.x()+pI.x(), wX-menuW-(isIE?5:20)));

   if (pM && typeof(offY)=='number') newY = Math.max(sY,

    Math.min(newY+pM[0].lyr.y()+pI.y(), wY-menuH-(isIE?5:20)));



   // Assign the final calculated positions.

   lyr.x(newX);

   lyr.y(newY);

  }

 }

}}



// *** MENU OBJECT CONSTRUCTION FUNCTIONS ***



// This takes arrays of data and names and assigns the values to a specified object.

function addProps(obj, data, names, addNull)

{

 for (var i = 0; i < names.length; i++) {

 	if(i < data.length || addNull) {

		obj[names[i]] = data[i];

		if (names[i] == "outCol" || names[i] == "overCol")

			if (i < data.length)

				obj[names[i]] = getStyleClassProperty(data[i],'backgroundColor');



	}

  }

}



function ItemStyle()

{

 // Like the other constructors, this passes a list of property names that correspond to the list

 // of arguments.

 var names = ['len', 'spacing', 'popInd', 'popPos', 'pad', 'outCol', 'overCol', 'outClass',

  'overClass', 'outBorder', 'overBorder', 'outAlpha', 'overAlpha', 'normCursor', 'nullCursor'];

 addProps(this, arguments, names, true);

}



function popStartMenu(mName) { with (this)

{

 // Create a new array within the menu object if none exists already, and a new menu object within.

 if (!menu[mName]) { menu[mName] = new Array(); menu[mName][0] = new Object(); }



 // Clean out existing items in this menu in case of a menu update.

 // actMenu is a reference to this menu for addItem() function later, while the local variable

 // aM is a quick reference to the current menu descriptor -- array index 0, 1+ are items.

 actMenu = menu[mName];

 aM = actMenu[0];

 actMenu.length = 1;



 // Not all of these are actually passed to the constructor -- the last few are null.

 // N.B: I pass 'isVert' twice so the first parameter (the menu name) is overwritten & ignored.

 var names = ['isVert', 'isVert', 'offX','offY', 'width', 'itemSty', 'par',

  'parentMenu', 'parentItem', 'visNow', 'oncreate', 'subsOnClick'];

 addProps(aM, arguments, names, true);



 // extraHTML is a string added to menu layers for things like dropshadows, backgrounds etc.

 aM.extraHTML = '';

 // Set the menu dimensions to zero initially. Also these are used to position items.

 aM.menuW = aM.menuH = 0;

 //aM.menuW = menu[mName].menuWidth;



 // Reuse old layers if we can, no use creating new ones every time the menus refresh.

 if (!aM.lyr) aM.lyr = null;

 

 // Assign a default oncreate event to the root menu to show it.

 if (mName == 'root') menu.root[0].oncreate = new Function('this.visNow=true; ' +

  myName + '.position("root"); this.lyr.vis("visible")');

}}





function popAddItem() { with (this) with (actMenu[0])

{

 // 'with' the current menu object and active menu descriptor object from startMenu().



 // Add these properties onto a new 'active Item' at the end of the active menu.

 var aI = actMenu[actMenu.length] = new Object();

 



 // Check if a url for a submenu was specified



// index of the "type" parameter within the "arguments" array

 var typeArgIndex = 2;

 

 if (arguments.length > typeArgIndex) {

 	// a type argument was passed in

	var objType = arguments[typeArgIndex] + '';  // force it to a string

	var smStr = 'sm:'; // submenu type

	var smLen = smStr.length;

	

	// check if it's a submenu with a url tacked on

	if (objType.length > smLen) {

		var smIndex = objType.indexOf(smStr);

	 	if (smIndex == 0) {

			// it has a url... put it into our "menuHRef" property

			aI.menuHRef = objType.substr(smLen);

			// put just the type itself (without the url) back into the arguments array

			arguments[typeArgIndex] = smStr;

		}

	}

}

	

 // Add function parameters to object. Again, the last few are undefined, set later.

 var names = ['text', 'href', 'type', 'itemSty', 'len', 'spacing', 'popInd', 'popPos',

  'pad', 'outCol', 'overCol', 'outClass', 'overClass', 'outBorder', 'overBorder',

  'outAlpha', 'overAlpha', 'normCursor', 'nullCursor',

  'iX', 'iY', 'iW', 'iH', 'lyr'];

 addProps(aI, arguments, names, true);



 // Find an applicable itemSty -- either passed to this item or the menu[0] object.

 var iSty = (arguments[3] ? arguments[3] : actMenu[0].itemSty);

 // Loop through its properties, add them if they don't already exist (overridden e.g. length).

 for (prop in iSty) if (aI[prop]+'' == 'undefined') aI[prop] = iSty[prop];



 //aI['len'] = this.menuWidth;

 // In NS4, since borders are assigned to the contents rather than the layer, increase padding.

 if (aI.outBorder)

 {

  if (isNS4) aI.pad++;

 }

 // The actual dimensions of the items, store here as properties so they can be accessed later.

 aI.iW = (isVert ? this.menuWidth : this.menuWidth);

 aI.iH = (isVert ? aI.len : width);



 // The spacing of the previous menu item in this menu, if relevant.

 var lastGap = (actMenu.length > 2) ? actMenu[actMenu.length - 2].spacing : 0;



 // 'spc' is the amount we subtract from this item's position so borders overlap a little.

 // Of course we don't do it to the first item.

 var spc = ((actMenu.length > 2) && aI.outBorder ? 1 : 0);

//alert(mName);

 // We position this item at the end of the current menu's dimensions,

 // and then increase the menu dimensions by the size of this item.

 if (isVert)

 {

  menuH += lastGap - spc;

  aI.iX = 0; aI.iY = menuH;

  menuW = this.menuWidth; menuH += aI.iH;

 }

 else

 {

  menuW += lastGap - spc;

  aI.iX = menuW; aI.iY = 0;

  menuW += aI.iW; menuH = width;

 }

 //alert(menuW);

 // When we are running in proper 'CSS1Compat' mode, borders affect widths differently, so we

 // subtract some pixels here to go with the old 'loose' specification. Swap this around if you

 // want your documents to conform with the new specs.

 if (aI.outBorder && CSSmode)

 {

  aI.iW -= 2;

  aI.iH -= 2;

 }

}}







// *** MAIN MENU CREATION/UPDATE FUNCTIONS ***





// Returns the inner HTML of an item, used for menu generation, and highlights in NS4.

function popGetHTML(mN, iN, isOver) { with (this)

{

 var itemStr = '';

 with (menu[mN][iN])

 {

  var textClass = (isOver ? overClass : outClass);



  // If we're supposed to add a popout indicator, add it before text so it appears below in NS4.

  if ((type == 'sm:') && popInd)

  {

   if (isNS4) itemStr += '<layer class="' + textClass + '" left="'+ ((popPos+iW)%iW) +

    '" top="' + pad + '" height="' + (iH-2*pad) + '">' + popInd + '</layer>';

   else itemStr += '<div class="' + textClass + '" style="position: absolute; left: ' +

    ((popPos+iW)%iW) + 'px; top: ' + pad + 'px; height: ' + (iH-2*pad) + 'px;z-index:900" >' + popInd + '</div>';

  }



  // For NS4, if a border is assigned, add a spacer to push border out to layer edges.

  // Add a link both to generate an onClick event and to stop the ugly I-beam text cursor appearing.

  if (isNS4) itemStr += (outBorder ? '<span class="' + (isOver?overBorder:outBorder) +

   '"><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="return false" onMouseOver="status=\'\'; ' + myName + '.over(\'' + mN + '\',' +

   iN + '); return true">' + text + '</a></layer>';



  // IE4+/NS6 is an awful lot easier to work with sometimes.

  else itemStr += '<div class="' + textClass + '" style="position: absolute; left: ' + pad +

   'px; top: ' + pad + 'px; width: ' + (iW-2*pad) + 'px; height: ' + (iH-2*pad) + 'px">' +

   text + '</div>';

 }

 return itemStr;

}}





// The main menu creation/update routine. The first parameter is 'true' if you want the script

// to use document.write() to create the menus. Second parameter is optionally the name of one

// menu only to update rather then create all menus.

function popUpdate(docWrite, upMN) { with (this)

{

 // 'isDyn' (set at the very top of the script) signifies a DHTML-capable browser.

 if (!isDyn) return;



 // Loop through menus, using properties of menu description object (array index 0)...

 for (mN in menu) with (menu[mN][0])

 {

  // If we're updating one specific menu, only run the code for that.

  if (upMN && (upMN != mN)) continue;



  // Variable for holding HTML for items.

  var str = '';



  // Remember, items start from 1 in the array (0 is menu object itself, above).

  // Also use properties of each item nested in the other with() for construction.

  for (var iN = 1; iN < menu[mN].length; iN++) with (menu[mN][iN])

  {

   // extract the URL for a menu or submenu, if any

   var menuHRef = menu[mN][iN].menuHRef;

   

   // An ID for divs/layers contained within the menu.

   var itemID = myName + '_' + mN + '_' + iN;



   // Now is a good time to assign another menu's parent to this if we've got a popout item.

   var targM = menu[href];

   if (targM && (type == 'sm:'))

   {

    targM[0].parentMenu = mN;

    targM[0].parentItem = iN;

   }



   // Have we been given a background image? It'll have a period in its name if so...

   var isImg = (outCol.indexOf('.') != -1) ? true : false;



   // NS6 uses a different cursor name for the 'hand' cursor than IE.

   if (!isIE && normCursor=='hand') normCursor = 'pointer';



   if ((iN == menu[mN].length-1 && mN == "root") || (mN == "mMain"+(intNumofRootItems-1)))

     intNewWidth = iW + intLeftOver;

   else

     intNewWidth = iW;

	 

   // Create a div or layer text string with appropriate styles/properties.

   // OK, OK, I know this is a little obtuse in syntax, but it's small...

   // At the end we set the alpha transparency (if specified) and the mouse cursor.

   // The cursor will be a "hand" if this is an "item" or if it's a menu or submenu with a url (menuHRef).

   // Otherwise the cursor will be an "arrow"

   if (isDOM || isIE4)

   {

    str += '<div id="' + itemID + '" ' + (outBorder ? 'class="'+outBorder+'" ' : '') +

     'style="position: absolute; left: ' + iX + 'px; top: ' + iY + 'px; width: ' + intNewWidth +

     'px; height: ' + iH + 'px; z-index: 1000; background: ' + (isImg?'url('+outCol+')':outCol) +

     ((typeof(outAlpha)=='number') ? '; filter: alpha(opacity='+ outAlpha + '); -moz-opacity: ' +

      (outAlpha/100) : '') +

     '; cursor: ' + ((type!='sm:' && href) || menuHRef ? normCursor : nullCursor) + '" ';

   }

   else if (isNS4)

   {

    // NS4's borders must be assigned within the layer so they stay when content is replaced.

    str += '<layer id="' + itemID + '" left="' + iX + '" top="' + iY + '" width="' +

     intNewWidth + '" height="' + iH + '" z-index="1000" ' +

     (outCol ? (isImg ? 'background="' : 'bgcolor="') + outCol + '" ' : '');

   }



   // Add mouseover and click handlers, contents, and finish div/layer.

   var evtMN = '(\'' + mN + '\',' + iN + ')"';

   str += 'onMouseOver="' + myName + '.over' + evtMN +

     ' onMouseOut="' + myName + '.out' + evtMN +

     ' onClick="' + myName + '.click' + evtMN + '>' +

     getHTML(mN, iN, false) + (isNS4 ? '</layer>' : '</div>');

  // End loop through items and with(menu[mN][iN]).

  }



  // The parent frame for this menu, if any.

  var eP = eval(par);





  // Do not ask me why Opera makes me set a timeout now rather than later, or in fact have

  // to set a timeout at all to get references to the divs we are about to create.

  // But, it makes the cross-frame version of the script actually work, so there's a benefit.

  setTimeout(myName + '.setupRef(' + docWrite + ', "' + mN + '")', 50);



  // Initial menu visibility, hidden unless tweaked otherwise.

  var mVis = visNow ? 'visible' : 'hidden';



  // For Fast creation mode (default for IE, NS6, Opera), write the menus to the document now.

  // I'm adding a bit to the widths for safety as borders are different across browsers.

  if (docWrite)

  {

   // Find the right target frame.

   var targFr = (eP && eP.navigator ? eP : window);

   targFr.document.write('<div id="' + myName + '_' + mN + '_Div" style="position: absolute; ' +

    'visibility: ' + mVis + '; left: 0px; top: 0px; width: ' + (menuW+2) + 'px; height: ' +

    (menuH+2) + 'px; z-index: 1000">' + str + extraHTML + '</div>');

  }

  else

  {

   // Create a new layer/div object dynamically using my setLyr() function above.

   // If we've got a layer created already, there's no use creating another!.

   // In IE4, we must shrink the menus to stop them sizing to the full body size -- thanks

   // to Jeff Blum and Paul Maden for debugging this for me :). If the layer has been created,

   // we've got to set a timeout to fix up IE4 again for some obscure reason.

   if (!lyr || !lyr.ref) lyr = setLyr(mVis, menuW, eP);

   else if (isIE4) setTimeout(myName + '.menu.' + mN + '[0].lyr.sty.width=' + (menuW+2), 50);



   // Give it a high Z-index, and write its content.

   with (lyr) { sty.zIndex = 1000; write(str + extraHTML) }

  }



 // End loop through menus and with (menu[mN][0]).

 }

}}





function popSetupRef(docWrite, mN) { with (this) with (menu[mN][0])

{

 // Get a reference to a div, only needed for Fast creation mode.

 if (docWrite || !lyr || !lyr.ref) lyr = getLyr(myName + '_' + mN + '_Div', eval(par));



 // Loop through menu items again to set up individual references.

 for (var i = 1; i < menu[mN].length; i++)

  menu[mN][i].lyr = getLyr(myName + '_' + mN + '_' + i, (isNS4?lyr.ref:eval(par)));



 // Call the 'oncreate' method of this menu if it exists (e.g. to show root menu).

 if (menu[mN][0].oncreate) oncreate();

}}







// *** POPUP MENU MAIN OBJECT CONSTRUCTOR ***



function PopupMenu(myName,myHideDelay)

{

 // These are the properties of any PopupMenu objects you create.

 this.myName = myName;



 // Manage what gets lit and shown when.

 this.showTimer = 0;

 this.hideTimer = 0;

 this.showDelay = 0;

 if (myHideDelay) 

	this.hideDelay = myHideDelay;

 else 

 	this.myHideDelay = 500;	// default myHideDelay to 500

 this.showMenu = '';



 // 'menu': the main data store, contains subarrays for each menu e.g. pMenu.menu['root'][];

 this.menu =  new Array();

 // litNow and litOld arrays control what items get lit in the hierarchy.

 this.litNow = new Array();

 this.litOld = new Array();



 // The item the mouse is currently over. Used by click processor to help NS4.

 this.overM = 'root';

 this.overI = 0;



 // The active menu, to which addItem() will assign its results.

 this.actMenu = null;



 // Functions to create and manage the menu.

 this.over = popOver;

 this.out = popOut;

 this.changeCol = popChangeCol;

 this.position = popPosition;

 this.click = popClick;

 this.startMenu = popStartMenu;

 this.addItem = popAddItem;

 this.getHTML = popGetHTML;

 this.update = popUpdate;

 this.setupRef = popSetupRef;

 this.menuWidth = 0;

 this.intLeftOver = 0;

 this.intNumofRootItems = 0;



 // Default show and hide functions, overridden in the example script by the clipping routine.

 this.showMenu = new Function('mName', 'this.menu[mName][0].lyr.vis("visible");hideSelects();');

 this.hideMenu = new Function('mName', 'this.menu[mName][0].lyr.vis("hidden")');

}



/* hide all select boxes on this and all sub windows */

function hideSelects(){

	//

	// loop through all frames and hide selects

	//

	setSelectsVisibility(window,"hidden");

	for (ix=0;ix<window.frames.length;ix++) {

		setSelectsVisibility(window.frames[ix],"hidden");

	}

}



/* make all select boxes visible on this and all sub windows */

function showSelects(){

	//

	// loop through all frames and un hide selects

	//

	setSelectsVisibility(window,"visible");

	for (ix=0;ix<window.frames.length;ix++) {

		setSelectsVisibility(window.frames[ix],"visible");

	}

}



/* sets the visibility state of all select boxes on the window passed in and all sub windows */

function setSelectsVisibility(win,wstate,frameNumber) {

	with (win){

	 	var selectCollection = document.body.getElementsByTagName('select');

		for (var i=0;i<selectCollection.length;i++){

			selectCollection[i].style.visibility=wstate;

		}

	}

}



// ANIMATION:

//

// Each menu object you create by default shows and hides its menus instantaneously.

// However you can override this behaviour with custom show/hide animation routines,

// as we have done in the "Menu Effects" section. Feel free to edit this, or delete

// this entire function if you're not using it. Basically, make functions to handle

// menuObj.showMenu() and .hideMenu(), both of which are passed menu names.

//

// Customisers: My lyr.clip() command gets passed the parameters (x1, y1, x2, y2)

// so you might want to adjust the direction etc. Oh, and I'm adding 2 to the dimensions

// to be safe due to different box models in some browsers.

// Another idea: add some if/thens to test for specific menu names...?





function menuAnim(menuObj, menuName, dir)

{

 // The array index of the named menu (e.g. 'mFile') in the menu object (e.g. 'pMenu').

 var mD = menuObj.menu[menuName][0];

 // Add timer and counter variables to the menu data structure, we'll need them.

 if (!mD.timer) mD.timer = 0;

 if (!mD.counter) mD.counter = 0;



 with (mD)

 {

  // Stop any existing animation.

  clearTimeout(timer);



  // If the layer doesn't exist (cross-frame navigation) quit.

  if (!lyr || !lyr.ref) return;

  // Show the menu if that's what we're doing.

  if (dir>0) lyr.vis('visible');

  // Also raise showing layers above hiding ones.

  lyr.sty.zIndex = 1001 + dir;



  // Clip the visible area. Tweak this if you want to change direction/acceleration etc.

  lyr.clip(0, 0, menuW+2, (menuH+2)*Math.pow(Math.sin(Math.PI*counter/200),0.75) );

  // Remove clipping in NS6 on completion, seems to help old versions.

  if ((isDOM&&!isIE) && (counter>=100)) lyr.sty.clip='';



  // Increment the counter and if it hasn't reached the end (10 steps either way),

  // set the timer to call the show/hide function again in 40ms.

  counter += dir;

  if (counter>100) counter = 100;

  else if (counter<0) { counter = 0; lyr.vis('hidden') }

  else timer = setTimeout(menuObj.myName+'.'+(dir>0?'show':'hide')+'Menu("'+menuName+'")', 40);

 }

}



// Here's the alternative IE5.5+ filter animation function.

function menuFilterShow(menuObj, menuName, filterName)

{

 var mD = menuObj.menu[menuName][0];

 with (mD.lyr)

 {

  sty.filter = filterName;

  var f = ref.filters;

  if (f&&f.length&&f[0]) f[0].Apply();

  vis('visible');

  if (f&&f.length&&f[0]) f[0].Play();

 }

}



// BORDERS AND DROPSHADOWS:

//

// Here's the menu border and dropshadow functions we call above. Edit ot delete if you're

// not using them. Basically, they assign a string to pMenu.menu.menuName[0].extraHTML, which

// is written to the document with the menus as they are created -- the string can contain

// anything you want, really. They also adjust the menu dimensions and item positions

// to suit. Dig out the Object Browser script and open up "pMenu" for more info.



function addMenuBorder(mObj, iS, alpha, bordCol, bordW, backCol, backW)

{

 // Loop through the menu array of that object, finding matching ItemStyles.

 for (var mN in mObj.menu)

 {

  var mR=mObj.menu[mN], dS='<div style="position:absolute; background:';

  if (mR[0].itemSty != iS) continue;

  // Loop through the items in that menu, move them down and to the right a bit.

  for (var mI=1; mI<mR.length; mI++)

  {

   mR[mI].iX += bordW+backW;

   mR[mI].iY += bordW+backW;

  }

  // Extend the total dimensions of menu accordingly.

  mW = mR[0].menuW += 2*(bordW+backW);

  mH = mR[0].menuH += 2*(bordW+backW);



  // Set the menu's extra content string with divs/layers underneath the items.

  if (isNS4) mR[0].extraHTML += '<layer bgcolor="'+bordCol+'" left="0" top="0" width="'+mW+

   '" height="'+mH+'" z-index="980"><layer bgcolor="'+backCol+'" left="'+bordW+'" top="'+

   bordW+'" width="'+(mW-2*bordW)+'" height="'+(mH-2*bordW)+'" z-index="990"></layer></layer>';

  else mR[0].extraHTML += dS+bordCol+'; left:0px; top:0px; width:'+mW+'px; height:'+mH+

   'px; z-index:980; '+(alpha!=null?'filter:alpha(opacity='+alpha+'); -moz-opacity:'+(alpha/100):'')+

   '">'+dS+backCol+'; left:'+bordW+'px; top:'+bordW+'px; width:'+(mW-2*bordW)+'px; height:'+

   (mH-2*bordW)+'px; z-index:990"></div></div>';

 }

}





function addDropShadow(mObj, iS)

{

 // Pretty similar to the one above, just loops through list of extra parameters making

 // dropshadow layers (from arrays) and extending the menu dimensions to suit.

 for (var mN in mObj.menu)

 {

  var a=arguments, mD=mObj.menu[mN][0], addW=addH=0;

  if (mD.itemSty != iS) continue;

  for (var shad=2; shad<a.length; shad++)

  {

   var s = a[shad];

   if (isNS4) mD.extraHTML += '<layer bgcolor="'+s[1]+'" left="'+s[2]+'" top="'+s[3]+'" width="'+

    (mD.menuW+s[4])+'" height="'+(mD.menuH+s[5])+'" z-index="'+(arguments.length-shad)+'"></layer>';

   else mD.extraHTML += '<div style="position:absolute; background:'+s[1]+'; left:'+s[2]+

    'px; top:'+s[3]+'px; width:'+(mD.menuW+s[4])+'px; height:'+(mD.menuH+s[5])+'px; z-index:'+

    (a.length-shad)+'; '+(s[0]!=null?'filter:alpha(opacity='+s[0]+'); -moz-opacity:'+(s[0]/100):'')+

    '"></div>';

   addW=Math.max(addW, s[2]+s[4]);

   addH=Math.max(addH, s[3]+s[5]);

  }

  mD.menuW+=addW; mD.menuH+=addH;

 }

}



// nsPX is a global variable needed only by the miscMenuInit function

// because a setTimer call will refer to it 

var nsPX;

function miscMenuInit(mObj) {

	// Add a border to an all menus using a specified ItemStyle. The syntax is:

	// addMenuBorder(menuObject, ItemStyle,

	//  opacity of border, 'border colour', border width, 'padding colour', padding width);

	// Opacity is a number from 0 to 100, or null for no filter, like the ItemStyles.

	addMenuBorder(mObj, window.subBlank, null, '#666666', 1, '#CCCCDD', 2);

	// Apply a dropshadow to specific menus again. The syntax is similar, but later on you

	// pass arrays [...] for each layer of the shadow you want. I've used two grey layers

	// here, but you can use as many or as few as you want. The syntax for the layers is:

	

	// [opacity, 'layer colour', X offset, Y offset, Width Difference, Height difference]

	

	// Opacity is from 0 to 100 (or null for no filter), and the X/Y offsets are the

	// distance in pixels from the menu's top left corner to that shadow layer's corner.

	// The width/height differences are added or subtracted to the current menu size, for

	// instance the first layer of this shadow is 4px narrower and shorter than the menu

	// it is shadowing.

	addDropShadow(mObj, window.subM, [40,"#333333",6,6,-4,-4], [40,"#666666",4,4,0,0]);

	// Add animation to the 'pMenu' menu object for supported browsers.

	// Opera doesn't support clipping so we turn it off, and Mozilla versions prior to

	// 1.x (such as Netscape 6) are too slow to support it, so disable there too.

	// If you don't want animation, delete this entirely, and the menus will act normally.

	// Change the speed if you want... it's the last number, between -100 and 100, and is

	// defined as the percentage the animation moves each frame.

	// The 'menuAnim' function is in the "Optional Code" section below, edit if you want to,

	// I've put in a few extra tweaks in there like fading transitions if you're interested.

	if (!isOp && navigator.userAgent.indexOf('rv:0.')==-1)

	{

	 mObj.showMenu = new Function('mN','menuAnim(this, mN, 10)');

	 mObj.hideMenu = new Function('mN','menuAnim(this, mN, -10)');

	}

	

	if (!isNS4)

	{

	// Write menus now in non-NS4 browsers, by calling the "Fast" mode .update(true) method. 

	 mObj.update(true);

	}

	else

	{

	 // For Netscape 4, back up the old onload function and make a new one to update our menus.

	 // This is the regular "Dynamic" mode menu update, it works in IE and NS6 too if required.

	 var popOldOL = window.onload;

	 window.onload = function()

	 {

	  if (popOldOL) popOldOL();

	  mObj.update();

	 }

	}

	

	// Other events must be assigned, these are less complicated, just add or remove menu objects.

	var nsWinW = window.innerWidth, nsWinH = window.innerHeight, popOldOR = window.onresize;

	window.onresize = function()

	{

	 if (popOldOR) popOldOR();

	 if (isNS4 && (nsWinW!=innerWidth || nsWinH!=innerHeight)) history.go(0);

	 mObj.position();

	}

	

	window.onscroll = function()

	{

	 mObj.position();

	}

	

	// NS4 can't reliably capture clicks on layers, so here's a workaround.

	if (isNS4)

	{

	 document.captureEvents(Event.CLICK);

	 document.onclick = function(evt)

	 {

	  with (mObj) if (overI) click(overM, overI);

	  return document.routeEvent(evt);

	 }

	}

	

	// Activate the window.onscroll() event in non-Microsoft browsers.

	if (!isIE || isOp)

	{

	 nsPX=pageXOffset, nsPY=pageYOffset;

	 setInterval('if (nsPX!=pageXOffset || nsPY!=pageYOffset) ' +

	 '{ nsPX=pageXOffset; nsPY=pageYOffset; window.onscroll() }', 50);

	}

}



