if (document.all)    {n=0;ie=1;ns6=0;fShow="visible";fHide="hidden";}
if (document.getElementById&&!document.all)    {n=0;ie=0;ns6=1;fShow="visible";fHide="hidden";}
if (document.layers) {n=1;ie=0;ns6=0;fShow="show";fHide="hide";}

//Top Nav bar script v2.1- http://www.dynamicdrive.com/dynamicindex1/sm/index.htm
//Modified for more CSS features February 2005 - http://www.caribscape.com/

opr6=ie&&navigator.userAgent.indexOf("Opera")!=-1

window.onerror=new Function("return true")

// Function Menu()

//var keepstatic=0//specify whether menu should stay static (works only in IE4+)
//var menucolor="#000000" //specify menu color
//var submenuwidth=120 //specify sub menus' width

function Menu()
{
	this.bgColor = ""; // Main Background Colour
	this.frColor = ""; // Sub Background Colour
	this.bgGround =""; // Main Background Image
	this.frGround =""; // Sub Background Image
	if (ie) this.menuFont = ""; //default font settings. Don't change. Instead, modify stylesheet in sample.htm
	if (n)  this.menuFont = "";
	this.fontColor = "";
	this.addItem = addItem;
	this.addSubItem = addSubItem;
	this.showMenu = showMenu;
	this.mainMenuWidth = "100%"; // Main Menu Pain Attributes
	this.mainItemWidth = "";
	this.mainBorder = 0;
	this.mainPad = 0;
	this.mainSpace = 0;	
	this.subWidth = ""; // Sub Menu Pain Attributes -- (Option divide by number of items in main menu %)
	this.subBorder = 0;
	this.subPad = 0;
	this.subSpace = 0;
	lastMenu = null;	
	rightX = 0;
	rightY = 0;
	leftY = 0;
	leftX = 0;

	HTMLstr = "";
	HTMLstr += "<!-- MENU PANE DECLARATION BEGINS -->\n";
	HTMLstr += "\n";
	if (ie||ns6) HTMLstr += "<div id='MainTable' style='position:relative'>\n";
//	if (n)  HTMLstr += "<layer name='MainTable'>\n";
	HTMLstr += "<table width='"+this.mainMenuWidth+"' background='"+this.bgGround+"' bgcolor='"+this.bgColor+"' border='"+this.mainBorder+"' cellpadding='"+this.mainPad+"' cellspacing='"+this.mainSpace+"'>\n";
	HTMLstr += "<tr>";
	if (n) HTMLstr += "<td nowrap>&nbsp;";
	HTMLstr += "<!-- MAIN MENU STARTS -->\n";
	HTMLstr += "<!-- MAIN_MENU -->\n";
	HTMLstr += "<!-- MAIN MENU ENDS -->\n";
	if (n) HTMLstr += "</td>";
	HTMLstr += "</tr>\n";
	HTMLstr += "</table>\n";
	HTMLstr += "\n";
	HTMLstr += "<!-- SUB MENU STARTS -->\n";
	HTMLstr += "<!-- SUB_MENU -->\n";
	HTMLstr += "<!-- SUB MENU ENDS -->\n";
	HTMLstr += "\n";
	if (ie||ns6) HTMLstr+= "</div>\n";
//	if (n)  HTMLstr+= "</layer>\n";
	HTMLstr += "<!-- MENU PANE DECALARATION ENDS -->\n";
}

function addItem(idItem, text, hint, location, altLocation)
{
	var Lookup = "<!-- ITEM "+idItem+" -->";
	if (HTMLstr.indexOf(Lookup) != -1)
	{
		alert(idParent + " already exist");
		return;
	}
	var MENUitem = "";
	MENUitem += "\n<!-- ITEM "+idItem+" -->\n";
	if (n)
	{
		MENUitem += "<ilayer name="+idItem+">";
		MENUitem += "<a href='.' class=mainmenu onmouseover=\"displaySubMenu('"+idItem+"')\" onclick=\"return false;\">";
		MENUitem += "|&nbsp;";
		MENUitem += text;
		MENUitem += "</a>";
		MENUitem += "</ilayer>";
	}
	if (ie||ns6)
	{
		MENUitem += "<td nowrap width='"+this.mainItemWidth+"'>\n";
		MENUitem += "<div id='"+idItem+"' style='position:relative; font: "+this.menuFont+";'>\n";
		MENUitem += "<a ";
		MENUitem += "class=mainmenu ";
		if (hint != null)
			MENUitem += "title='"+hint+"' ";
		if (location != null)
		{
			MENUitem += "href='"+location+"' ";
			MENUitem += "onmouseover=\"hideAll()\" ";
		}
		else
		{
			if (altLocation != null)
				MENUitem += "href='"+altLocation+"' ";
			else
				MENUitem += "href='.' ";
			MENUitem += "onmouseover=\"displaySubMenu('"+idItem+"')\" ";
			MENUitem += "onclick=\"return false;\" "
		}
		MENUitem += ">";
		MENUitem += text;
		MENUitem += "</a>\n";
		MENUitem += "</div>\n";
		MENUitem += "</td>\n";
	}
	MENUitem += "<!-- END OF ITEM "+idItem+" -->\n\n";
	MENUitem += "<!-- MAIN_MENU -->\n";

	HTMLstr = HTMLstr.replace("<!-- MAIN_MENU -->\n", MENUitem);
}

function addSubItem(idParent, text, hint, location , linktarget)
{
	var MENUitem = "";
	Lookup = "<!-- ITEM "+idParent+" -->";
	if (HTMLstr.indexOf(Lookup) == -1)
	{
		alert(idParent + " not found");
		return;
	}
	Lookup = "<!-- NEXT ITEM OF SUB MENU "+ idParent +" -->";
	if (HTMLstr.indexOf(Lookup) == -1)
	{
		if (n)
		{
			MENUitem += "\n";
			MENUitem += "<layer id='"+idParent+"submenu' visibility=hide bgcolor='"+this.bgColor+"'>\n";
			MENUitem += "<table border='"+this.subBorder+"' background='"+this.frGround+"' bgcolor='"+this.frColor+"' width='"+this.subWidth+"' cellpadding='"+this.subPad+"' cellspacing='"+this.subSpace+"'>\n";
			MENUitem += "<!-- NEXT ITEM OF SUB MENU "+ idParent +" -->\n";
			MENUitem += "</table>\n";
			MENUitem += "</layer>\n";
			MENUitem += "\n";
		}
		if (ie||ns6)
		{
			MENUitem += "\n";
			MENUitem += "<div id='"+idParent+"submenu' onmouseout=operahide() style='position:absolute; visibility: hidden; z-index:100; width: "+this.subWidth+"; font: "+this.menuFont+"; top: -300;'>\n";
			MENUitem += "<table border='"+this.subBorder+"' background='"+this.frGround+"'  bgcolor='"+this.frColor+"' width='"+this.subWidth+"' cellpadding='"+this.subPad+"' cellspacing='"+this.subSpace+"'>\n";
			MENUitem += "<!-- NEXT ITEM OF SUB MENU "+ idParent +" -->\n";
			MENUitem += "</table>\n";
			MENUitem += "</div>\n";
			MENUitem += "\n";
		}
		MENUitem += "<!-- SUB_MENU -->\n";
		HTMLstr = HTMLstr.replace("<!-- SUB_MENU -->\n", MENUitem);
	}

	Lookup = "<!-- NEXT ITEM OF SUB MENU "+ idParent +" -->\n";
	if (n)  MENUitem = "<tr><td nowrap><a class=submenu title='"+hint+"' href='"+location+"' target='"+linktarget+"'>"+text+"</a></td></tr>\n";
	if (ie||ns6) MENUitem = "<tr><td nowrap><a class=submenu title='"+hint+"' href='"+location+"' target='"+linktarget+"'>"+text+"</a></td></tr>\n";
	MENUitem += Lookup;
	HTMLstr = HTMLstr.replace(Lookup, MENUitem);

}

function showMenu()
{
	document.writeln(HTMLstr);
}

// Private declaration

function displaySubMenu(idMainMenu)
{
	var menu;
	var submenu;
	if (n)
	{
		submenu = document.layers[idMainMenu+"submenu"];
		if (lastMenu != null && lastMenu != submenu) hideAll();
		submenu.left = document.layers[idMainMenu].pageX + 0;
		submenu.top  = document.layers[idMainMenu].pageY + 24;
		submenu.visibility = fShow;

		leftX  = document.layers[idMainMenu+"submenu"].left;
		rightX = leftX + document.layers[idMainMenu+"submenu"].clip.width;
		leftY  = document.layers[idMainMenu+"submenu"].top+
			document.layers[idMainMenu+"submenu"].clip.height;
		rightY = leftY;
	} else if (ie||ns6) {
//alert(document.getElementById(idMainMenu+"submenu").id)
		menu = ie? eval(idMainMenu) : document.getElementById(idMainMenu);
		submenu = ie? eval(idMainMenu+"submenu.style") : document.getElementById(idMainMenu+"submenu").style;
		submenu.left = calculateSumOffset(menu, 'offsetLeft') + 0;
//		submenu.top  = calculateSumOffset(menu, 'offsetTop') + 24;
		submenu.top  = menu.style.top + 24;
		submenu.visibility = fShow;
		if (lastMenu != null && lastMenu != submenu) hideAll();

		leftX  = ie? document.all[idMainMenu+"submenu"].style.posLeft : parseInt(document.getElementById(idMainMenu+"submenu").style.left);
		rightX = ie? leftX + document.all[idMainMenu+"submenu"].offsetWidth : leftX+parseInt(document.getElementById(idMainMenu+"submenu").offsetWidth);

		leftY  = ie? document.all[idMainMenu+"submenu"].style.posTop+
			document.all[idMainMenu+"submenu"].offsetHeight : parseInt(document.getElementById(idMainMenu+"submenu").style.top)+parseInt(document.getElementById(idMainMenu+"submenu").offsetHeight);
		rightY = leftY;
	}
	lastMenu = submenu;
}

function hideAll()
{
	if (lastMenu != null) {lastMenu.visibility = fHide;lastMenu.left = 0;}
}

function calculateSumOffset(idItem, offsetName)
{
	var totalOffset = 0;
	var item = eval('idItem');
	do
	{
		totalOffset += eval('item.'+offsetName);
		item = eval('item.offsetParent');
	} while (item != null);
	return totalOffset;
}

function updateIt(e)
{
	if (ie&&!opr6)
	{
		var x = window.event.clientX;
		var y = window.event.clientY;

		if (x > rightX || x < leftX) hideAll();
		else if (y > rightY) hideAll();
	}
	if (n||ns6)
	{
		var x = e.pageX;
		var y = e.pageY;

		if (x > rightX || x < leftX) hideAll();
		else if (y > rightY) hideAll();
	}
}

function operahide(){
        if (opr6){
        if (!MainTable.contains(event.toElement))
        hideAll()
}
}

if (ie||ns6)
{
	document.body.onclick=hideAll;
	document.body.onscroll=hideAll;
	document.body.onmousemove=updateIt;
}
if (document.layers)
{
	window.captureEvents(Event.MOUSEMOVE);
	window.captureEvents(Event.CLICK);
	window.onmousemove=updateIt;
	window.onclick=hideAll;
}