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

opr6=ie&&navigator.userAgent.indexOf("Opera")!=-1

window.onerror=new Function("return true")
////////////////////////////////////////////////////////////////////////////
// Function Menu()                                                        //
////////////////////////////////////////////////////////////////////////////
rightX = 0;
	function Menu()
	{
		this.bgColor     = menucolor;
		if (ie) this.menuFont = "bold 12px Arial"; //default font settings. Don't change. Instead, modify stylesheet in sample.htm
		if (n)  this.menuFont = "bold 12px Verdana";
		this.fontColor   = "black";
	
		this.addItem    = addItem;
		this.addSubItem = addSubItem;
		this.showMenu   = showMenu;
		this.mainPaneBorder = 0;
		this.subMenuPaneBorder = 0;
	
		this.subMenuPaneWidth = submenuwidth;
	
		lastMenu = null;
		
		rightY = 0;
		leftY = 0;
		leftX = 0;
	
		HTMLstr = "";
		HTMLstr += "<!-- MENU PANE DECLARATION BEGINS -->\n";
		HTMLstr += "\n";
		if (ie||ns6) HTMLstr += "<div id='MainTable'>\n";
	//	if (n)  HTMLstr += "<layer name='MainTable'>\n";
		HTMLstr += "<table width='775' bgcolor='"+this.bgColor+"' border='"+this.mainPaneBorder+"'>\n";
		HTMLstr += "<tr align=center>";
		if (n) HTMLstr += "<td>&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=clsMenuItemNS onmouseover=\"displaySubMenu('"+idItem+"')\" onclick=\"return false;\">";
			MENUitem += "|&nbsp;";
			MENUitem += text;
			MENUitem += "</a>";
			MENUitem += "</ilayer>";
		}
		if (ie||ns6)
		{
			if(idItem == '')
				MENUitem += "<td width=130>\n</td>";
			else{
				MENUitem += "<td>\n";
				MENUitem += "<div id='"+idItem+"' style='position:relative; font: "+this.menuFont+";'>\n";
				MENUitem += "<a ";
				MENUitem += "class=menu ";
		//		MENUitem += "style='text-decoration: none; font: "+this.menuFont+"; color: "+this.fontColor+"; cursor: hand;' ";
				if (hint != null)
					MENUitem += "title='"+hint+"' ";
				if (location != null)
				{
					if(altLocation == null){
						MENUitem += "href='"+location+"' ";
						MENUitem += "onmouseover=\"displaySubMenu('"+idItem+"')\" ";
					}else{
						MENUitem += "href='"+location+"' ";
						MENUitem += "onmouseover=\"hideAll()\" target='"+altLocation+"'";
					}
				}
				else
				{
					if (altLocation != null)
						MENUitem += "href='"+altLocation+"' ";
					else
						MENUitem += "href='.' ";
					MENUitem += "onmouseover=\"displaySubMenu('"+idItem+"')\" ";
					MENUitem += "onclick=\"return false;\" "
				}
				MENUitem += ">";
				//if(idItem != '')
				MENUitem += text;			
				MENUitem += "</a>\n";
				MENUitem += "</div>\n";
				MENUitem += "</td>\n";
				MENUitem += "<td class='menu'>|&nbsp;</td>";			
			}
		}
		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.subMenuPaneBorder+"' bgcolor='"+this.bgColor+"' width="+this.subMenuPaneWidth+">\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; top:-300; visibility: hidden; z-index:100; width: "+this.subMenuPaneWidth+"; font: "+this.menuFont+";'>\n";
				MENUitem += "<table border='"+this.subMenuPaneBorder+"' bgcolor='#529754' width="+this.subMenuPaneWidth+" class=menu>\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><a class=clsMenuItemNS title='"+hint+"' href='"+location+"' target='"+linktarget+"'>"+text+"</a><br></td></tr>\n";
		if (ie||ns6) MENUitem = "<tr><td><a class=menu title='"+hint+"' href='"+location+"' target='"+linktarget+"'>"+text+"</a><br></td></tr>\n";
		MENUitem += Lookup;
		HTMLstr = HTMLstr.replace(Lookup, MENUitem);
	
	}
	
	function showMenu()
	{
		
		HTMLstr+="</td></tr></table>";
		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;
			submenu.top  = document.layers[idMainMenu].pageY + 25;
			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');
	//		submenu.top  = calculateSumOffset(menu, 'offsetTop') + 30;
			submenu.top  = menu.style.top+130;
			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;
	}
