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 isDyn = (isDOM||isIE||isNS4);
var TimerID;

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) :
		par.layers[id]));
}
function getSty(id, par)
{
	return (isNS4 ? getRef(id, par) : getRef(id, par).style)
}
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]; with (this) { '+fc+' }');
}
LyrFn('x','if (!isNaN(p)) sty.left=p; else return parseInt(sty.left)');
LyrFn('y','if (!isNaN(p)) sty.top=p; 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+")":"") ');
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; if (f) {' +
	'if (sty.filter.indexOf("alpha")==-1) sty.filter+="alpha()"; ' +
	'if (f.length&&f.alpha) f.alpha.opacity=p } else if (isDOM) sty.MozOpacity=(p/100)');
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 newID='_js_layer_'+setLyr.seq++;
	if (isIE&&!window.opera) obj.insertAdjacentHTML('beforeEnd', '<div id="'+newID+
		'" style="position:absolute"></div>');
	else if (isDOM)
	{
		var newL=document.createElement('div');
		obj.appendChild(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.sty) { visibility=lVis; left=0; top=0; width=docW }
	return lObj;
}
if (!window.page) var page = { win: window, minW: 0, minH: 0, MS: isIE&&!window.opera }
page.winW=function()
	{ with (this) return Math.max(minW, MS?win.document.body.clientWidth:win.innerWidth) }
page.winH=function()
	{ with (this) return Math.max(minH, MS?win.document.body.clientHeight:win.innerHeight) }
page.scrollX=function()
	{ with (this) return MS?win.document.body.scrollLeft:win.pageXOffset }
page.scrollY=function()
	{ with (this) return MS?win.document.body.scrollTop:win.pageYOffset }
function popOver(mN, iN) { with (this)
	{
         //asdf;
	//var TheWidth = document.body.clientWidth;
	//alert(TheWidth);
	 clearTimeout(hideTimer);
	 overM = mN;
	 overI = iN;
	 var thisI = menu[mN][iN];
	 if (iN && this.onmouseover) this.onmouseover();
	 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) with (menu[thisM][0])
	 {
	  if (!lyr) continue;
	  litI = litNow[thisM];
	  oldI = litOld[thisM];
	  if (litI && (litI != oldI)) changeCol(thisM, litI, true);
	  if (oldI && (oldI != litI)) changeCol(thisM, oldI, false);
	  if (litI && !visNow && (thisM != 'root'))
	  {
	   showMenu(thisM);
	   visNow = true;
	  }
	  if (isNaN(litI) && visNow)
	  {
	   hideMenu(thisM);
	   visNow = false;
	  }
	 }
	 clearTimeout(showTimer);
	
	 nextMenu = '';
	 if (thisI.type == 'sm:')
	 {
	  var targ = thisI.href, lyrM = menu[mN][0].lyr;
	  with (menu[targ][0])
	  {
	   if (!lyr || !lyr.ref) return;
	   lyr.x(eval(offX) + (typeof(offX)=='number' ? lyrM.x() + thisI.lyr.x() : 0));
	   lyr.y(eval(offY) + (typeof(offY)=='number' ? lyrM.y() + thisI.lyr.y() : 0));
	   showStr = myName + '.showMenu("' + targ + '"); ' +
	    myName + '.menu.' + targ + '[0].visNow = true';
	   nextMenu = targ;
	   if (showDelay) showTimer = setTimeout(showStr, showDelay);
	   else eval(showStr);
	  }
	 }
	 //window.SearchForm.TID.style.visibility = 'hidden';	
	}
	
}
function popChangeCol(mN, iN, isOver) { 
	with (this.menu[mN][iN]){
		var col = isOver ? overCol : outCol;
		if (col.indexOf('.') == -1) lyr.bgColor(col);
		else lyr.bgImage(col);
		var doFX = ((overClass != outClass) || (outBorder != overBorder));
		if (doFX && isNS4) lyr.write(this.getHTML(mN, iN, isOver));
		else if (doFX) with (lyr)
		{
			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 (typeof(outAlpha)=='number') lyr.alpha(isOver ? overAlpha : outAlpha);
	}

}
function popOut(mN, iN) { 
	
	with (this){
		if ((mN != overM) || (iN != overI)) return;
		if (this.onmouseout) this.onmouseout();
		var thisI = menu[mN][iN];
		if (thisI.href != nextMenu) clearTimeout(showTimer);
		if (hideDelay)
		{
			var delay = ((mN == 'root') && (thisI.type != 'sm:')) ? 50 : hideDelay;
			hideTimer = setTimeout(myName + '.over("root", 0)', delay);
		}
		
		//try{
			TimerID = setInterval(CheckMenus,200)
		//}
		//catch (exception){}

		overM = 'root';
		overI = 0;
	        
	}
}


function CheckMenus(){

	var x;
	var Exists;
	
	Exists = false;

	for (x=8;x<=14;x++) 
	{
	if((pMenu.menu['mh' + x][1].lyr.ref.parentElement.style.visibility == 'visible') || (pMenu.menu['mh' + x][1].lyr.ref.parentElement.style.visibility == ''))
		{
		DoHideShow('hidden'); //window.SearchForm.TID.style.visibility = 'hidden';
		//return false;
		Exists = true;
		x=100;
		}
	else
		{
		//alert('I am not visible');
		}
	}

	if(!Exists){
		DoHideShow('visible');
		clearTimeout(TimerID);
		
	}

}

function DoHideShow(){

	var I;
	var Col;
	var vis;
	var TheWidth = document.body.clientWidth;

	if(DoHideShow.arguments.length==1){

		vis = DoHideShow.arguments[0];

		if(TheWidth<975){
			Col = document.getElementsByTagName('Table')
		
			for(I=0;I<=(Col.length-1);I++)
			{
				if(Col[I].id=='HideTable'){
					//alert(TheWidth);
					Col[I].style.visibility = vis;
				}
			
			}
		}

		//Col = document.getElementsByTagName('IFRAME')

		//for(I=0;I<=(Col.length-1);I++)
		//{
		//	Col[I].style.visibility = vis;
		//}

	}
}

function popClick(evt) { 
	with (this){
		if (overI)
		{
			if (this.onclick) this.onclick();
			var thisI = menu[overM][overI];
			with (thisI) switch (type)
			{
					case 'sm:': return;
					case 'js:': { eval(href); break }
					case '': type = 'window';
				default: if (href) eval(type + '.location.href = "' + href + '"');
			}
		}
		over('root', 0);
	}
}
function popClearLyr(wN) { 
	with (this){
		for (mN in menu) with (menu[mN][0]) if (par == wN) lyr = null;
	}
}
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', 'outBorder', 'overBorder', 'outAlpha', 'overAlpha'];
	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', 'par', 'parentMenu',
			'parentItem', 'visNow', 'menuW', 'menuH'];
		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',
			'pad', 'outCol', 'overCol', 'outClass', 'overClass', 'outBorder', 'overBorder',
			'outAlpha', 'overAlpha', '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 (aI.outBorder)
		{
			if (isNS4) 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 += (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>';
			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(docWrite, upMN) { 
		
	with (this){
		if (!isDyn) return;
		for (mN in menu) with (menu[mN][0])
		{
			if (upMN && (upMN != mN)) continue;
			var str = '', iX = 0, iY = 0;
			for (var iN = 1; iN < menu[mN].length; iN++) with (menu[mN][iN])
			{
					var itemID = myName + '_' + mN + '_' + iN;
					var targM = menu[href];
				if (targM && (type == 'sm:'))
				{
					targM[0].parentMenu = mN;
					targM[0].parentItem = iN;
				}
						 var shrink = (outBorder && ((isDOM && !isIE) || window.opera) ? 2 : 0)
					
					//asdf;
				if(text=='<center>Guides</center>')
					{
					iW = 60;
					len = iW;
					}
				else if(text=='<center>Software</center>')
					{
					iW = 60;
					len = iW;
					}
				else if(text=='<center>Info. Resource Centre</center>')
					{
					iW = 160;
					len = iW;
					}
				else if(text=='<center>Q&A Service</center>')
					{
					iW = 80;
					len = iW;
					}
				else if(text=='<center>Other Resources</center>')
					{
					iW = 130;
					len = iW;
					}
				else if(text=='<center>Special Offers</center>')
					{
					iW = 90;
					len = iW;
					}
				else if(text=='<center>About</center>')
					{
					iW = 60;
					len = iW;
					}
				else
					{
					iW = (isVert ? width : len) - shrink;
					}

					
				iH = (isVert ? len : width) - shrink;
					var isImg = (outCol.indexOf('.') != -1) ? true : false;
						  if (isDOM || isIE4)
				{
					str += '<div id="' + itemID + '" ' + (outBorder ? 'class="' + outBorder + '" ' : '') +
						'style="position: absolute; left: ' + iX + '; top: ' + iY + '; width: ' + iW + '; height: ' +
						iH + '; background: ' + (isImg ? 'url('+outCol+')' : outCol) +
						((typeof(outAlpha)=='number') ? '; filter: alpha(opacity='+ outAlpha + '); -moz-opacity: ' +
						 (outAlpha/100) : '') +
						'; cursor: ' + ((type!='sm:' && href) ? (isIE ? 'hand' : 'pointer') : 'default') + '" ';
				}
				else if (isNS4)
				{
						 str += '<layer id="' + itemID + '" left="' + iX + '" top="' + iY + '" width="' +
						iW + '" height="' + iH + '" ' + (outCol ? (isImg ? 'background="' : 'bgcolor="') +
						outCol + '" ' : '');
				}
					str += 'onMouseOver="' + myName + '.over(\'' + mN + '\',' + iN + ')" ' +
						'onMouseOut="' + myName + '.out(\'' + mN + '\',' + iN + ')">' +
						getHTML(mN, iN, false) + (isNS4 ? '</layer>' : '</div>');
						var spc = (outBorder ? 1 : 0)
				
				//alert(str);
				if (isVert) iY += len + spacing - spc;
				else iX += len + spacing - spc;
			}
			
			//asdf;
			menuW = isVert ? width : iX;
			menuH = isVert ? iY : width;
			var eP = eval(par);
			setTimeout(myName + '.setupRef("' + mN + '")', 50);
			
			if (docWrite)
			{
					var targFr = (eP && eP.navigator ? eP : window);
				targFr.document.write('<div id="' + myName + '_' + mN + '_Div" style="position: absolute; ' +
					'visibility: hidden; width: ' + menuW + '; height: ' + menuH + '; z-index: 1000">' +
					str + '</div>');
			}
			else
			{
						   if (!lyr) lyr = setLyr('hidden', menuW, eP);
				else if (isIE4) setTimeout(myName + '.menu.' + mN + '[0].lyr.sty.width=' + (menuW+2), 50);
					with (lyr) { sty.zIndex = 1000; write(str) }
			}
		}
	}

	ResizeBar();

}

function ResizeBar(){

	var x;
	var TotalWidth = document.body.clientWidth;
	var HalfTotalWidth = (TotalWidth / 2) - 30;
	var TheLeft;
	var NewWidth;
	var TotalBars;
	var TheBarWidth;
	var TheReturns = "";
	var spltReturns;

	TheReturns = GetBarWidth(x);

	spltReturns = TheReturns.split('|');

	TheBarWidth = spltReturns[0];
	x = spltReturns[1];
	
	TotalBars = x;

	for(x=1;x<=TotalBars;x++)
		{
		if(x==1)
			{
			TheLeft = HalfTotalWidth - (TheBarWidth / 2);
			}
		else
			{
			NewWidth = document.body.all('pMenuA_root_' + (x - 1)).style.width;
			TheLeft += parseInt(NewWidth.replace('px',''));
			}

		document.body.all('pMenuA_root_' + x).style.left = TheLeft;

		}
	
	setTimeout(HideTheText,10);	

}

function GetBarWidth(x){

	var IndivWidth;
	var TheWidth = 0;
	var strReturns = "";

try{
	for(x=1;x<=100;x++)
	{
	IndivWidth = document.body.all('pMenuA_root_' + x).style.width;
	TheWidth += parseInt(IndivWidth.replace('px',''));
	}
}
catch(exception){
}	

	strReturns = TheWidth + '|' + (parseInt(x) - 1);

	return strReturns;

}

function HideTheText(){

	var Col;
	var I;
	var bFound;

	bFound = false;

	Col = document.getElementsByTagName('b');

	for(I=0;I<Col.length;I++)
	{
	if(Col[I].innerText=='Navigation menu bar loading, please wait...')
		{
		Col[I].style.visibility = 'hidden';
		bFound = true;
		}
	}

	if (!bFound) 
		setTimeout(HideTheText,10);
}

function popSetupRef(mN) { 
	with (this) with (menu[mN][0]){
		if (!lyr || !lyr.ref) lyr = getLyr(myName + '_' + mN + '_Div', eval(par));
		for (var i = 1; i < menu[mN].length; i++)
			menu[mN][i].lyr = getLyr(myName + '_' + mN + '_' + i, lyr.ref);
		if (mN == 'root')
		{
			position();
			lyr.vis('visible');
		}
	}
}
function popPosition(wN) { 
	with (this)
	{
		for (mN in menu) if (!wN || menu[mN][0].par == wN) with (menu[mN][0])
		{
			if (!lyr || !lyr.ref) continue;
			if (typeof(offX)!='number' || mN=='root') lyr.x(eval(offX));
			if (typeof(offY)!='number' || mN=='root') lyr.y(eval(offY));
		}
	}
}

//function poppingout(){
//	
//	var d = new Date();
//
//	//window.status=d.getTime().toString();
//	window.SearchForm.TID.style.visibility = 'hidden';
//}

function PopupMenu(myName)
{
	this.myName = myName;
	this.showTimer = 0;
	this.hideTimer = 0;
	this.showDelay = 200;
	this.hideDelay = 10;
	this.showMenu = '';
	this.menu =  new Array();
	this.litNow = new Array();
	this.litOld = new Array();
	this.overM = 'root';
	this.overI = 0;
	this.actMenu = '';
	this.nextItem = 1;
	this.over = popOver;
	//this.onmouseout = poppingout;
	this.changeCol = popChangeCol;
	this.out = popOut;
	this.click = popClick;
	this.clearLyr = popClearLyr;
	this.startMenu = popStartMenu;
	this.addItem = popAddItem;
	this.getHTML = popGetHTML;
	this.update = popUpdate;
	this.setupRef = popSetupRef;
	this.position = popPosition;
	this.ResizeTheBar = ResizeBar;
	this.mType = 1;
	//asdf;
	this.showMenu = function(mName) { this.menu[mName][0].lyr.vis('visible') }
	this.hideMenu = function(mName) { this.menu[mName][0].lyr.vis('hidden')  }
}


var pMenu = new PopupMenu('pMenu');
//var pMenuS = new PopupMenu('pMenuS');
var pMenuA = new PopupMenu('pMenuA')
//var pMenuB = new PopupMenu('pMenuB')

function menuClip(menuObj, menuName, dir)
{
	var mD = menuObj.menu[menuName][0];
	if (!mD.timer) mD.timer = 0;
	if (!mD.counter) mD.counter = 0;
	with (mD)
	{
		clearTimeout(timer);
		if (!lyr || !lyr.ref) return;
		if (dir==1) lyr.vis('visible');
		lyr.sty.zIndex = 1001 + dir;
		lyr.clip(0, 0, menuW+2, (menuH+2)*Math.pow(Math.sin(Math.PI*counter/20),0.75) );
		counter += dir;
		if (counter==11) { counter = 10; if (isDOM&&!isIE) lyr.sty.clip='' }
		else if (counter<0) { counter = 0; lyr.vis('hidden') }
		else timer = setTimeout(menuObj.myName+'.'+(dir==1?'show':'hide')+'Menu("'+menuName+'")', 40);
	}
}

function moveRoot()
{
	with (pMenu.menu.root[0].lyr) x( (x()<100) ? 100 : 10);
	//with (pMenuS.menu.root[0].lyr) x( (x()<100) ? 100 : 10);
}

function switchMenus(){
	//pMenu.over('root',0);
	//pMenu.menu.root[0].lyr.vis('hidden');
	//if (pMenu.mType == 1){
	//	pMenu = pMenuB;
	//	pMenu.mType = 2;
	//}else{
	//	pMenu = pMenuA;
	//	pMenu.mType = 1;
	//}
	//pMenu.update();

}

var hBar = new ItemStyle(110, 0, '', 0, 2, '#ffcc00', '#fafad2', 'itemText', 'itemHover', 'itemBorder', 'itemBorder',
	null, null);
var subM = new ItemStyle(24, 0, '', -15, 3, '#ffcc00', '#fafad2', 'itemSubText', 'itemSubHover',
	'itemSubBorder', 'itemSubBorderHover', 100, 100);
var subM2 = new ItemStyle(24, 0, '', -15, 3, '#ffcc00', '#fafad2', 'itemSubText', 'itemSubHover',
	'itemSubBorder2', 'itemSubBorderHover2', 100, 100);



