var intr = 300;
var show = -1;
var hide = -1;
var fMenuHeight;
var fMenuPos = 0;

// ===============================================================

function fMenuSet()
{
	var i;
	var menu, sub;
	var fValue;
	var subWidth;
	fMenuHeight = document.getElementById("fMenu").offsetHeight;
	//document.body.style.marginTop += fMenuHeight;
	for (i=0; i<fCount; i+=2)
	{
		menu = document.getElementById("fMenuItem_"+i);
		if(isMSIE5)
			menu.style.cursor = "hand";
		else
			menu.style.cursor = "pointer";
		fValue = fMenu[i+1];
		if(typeof(fValue) == "object")
		{		
			sub = document.getElementById("fSubMenu_"+i);
			sub.style.left = menu.offsetLeft;
			sub.style.top = fMenuHeight;
			sub.style.display = "";
			subWidth = sub.offsetWidth;
			sub.style.display = "none";
			for(j=0; j<fValue.length; j+=2)
			{	
				sub = document.getElementById("fSubMenuItem_"+i+"_"+j)
				sub.style.width = subWidth;
				if(isMSIE5)
					sub.style.cursor = "hand";
				else
					sub.style.cursor = "pointer";
			}
		}
	}
}

// ===============================================================

function fMenuUpdate()
{
	var i;
	var menu, sub;
	fMenuPos = document.body.scrollTop;
	document.getElementById("fMenu").style.top = fMenuPos;
	for (i=0; i<fCount; i+=2)
	{
		fValue = fMenu[i+1];
		if(typeof(fValue) == "object")
		{
			menu = document.getElementById("fMenuItem_"+i);
			sub = document.getElementById("fSubMenu_"+i);
			sub.style.top = fMenuHeight + fMenuPos;
		}
	}
}

// ===============================================================

function fMenuShow(i)
{
	if(show != -1 && show != i)
	{
		hide = show;
		fMenuHide(show);
	}
	show = i;
	hide = -1;
	var menu = document.getElementById("fMenuItem_"+i);
	menu.className = "fMenuItemHover";
	
	var sub = document.getElementById("fSubMenu_"+i);
	sub.style.left = menu.offsetLeft;
	sub.style.top = fMenuHeight + fMenuPos;	
	sub.style.display="";
}

// ===============================================================

function fMenuHide(i)
{
	if(hide == i)
	{
		var menu = document.getElementById("fMenuItem_"+i);
		menu.className = "fMenuItem";
		var sub = document.getElementById("fSubMenu_"+i);
		sub.style.display="none";
		if(show == i)
			show = -1;
	}
}

var fCount = fMenu.length;
var fCaption, fValue;

//=============== MAIN MENU ======================================

document.write("<LINK rel='stylesheet' href='fmenu.css'>");

document.write("<DIV id='fMenu' class='fMenu'>\n");
for (i=0; i<fCount; i+=2)
{
	fCaption = fMenu[i];
	fValue = fMenu[i+1];
	if(typeof(fValue) == "object")
	{
		document.write("<SPAN class='fMenuItem' id='fMenuItem_"+i+"' ");
		document.write("onMouseOver='fMenuShow("+i+");' onMouseOut='hide="+i+";setTimeout(\"fMenuHide("+i+")\",intr)'>"+fCaption);
		document.write("</SPAN>");
	} else
	{
		var fr = (fMenuTarget ? "document.forms[\"go\"].action=\""+fValue+"\";document.forms[\"go\"].submit();" : "document.location.replace(\""+fValue+"\");");
		document.write("<SPAN class='fMenuItem' id='fMenuItem_"+i+"' onMouseOver='if(show>-1) {hide = show; fMenuHide(show);} this.className=\"fMenuItemHover\"' onMouseOut='this.className=\"fMenuItem\"' onClick='"+fr+";exit=false;'>");
		document.write(fCaption+"</SPAN>");
	}
}
document.write("</DIV>\n");

if (fMenuTarget)
  document.write("<FORM method=get name=go target="+fMenuTarget+" style='margin:0px;display:none;'></FORM>");

//  =========== SUBMENUS ============================================

for (i=0; i<fCount; i+=2)
{
	fCaption = fMenu[i];
	fValue = fMenu[i+1];
	if(typeof(fValue) == "object")
	{
		fSubValue = fMenu[i+1];
		fSubCount = fSubValue.length;
		document.write("<DIV class='fSubMenu' style='display:none' id='fSubMenu_"+i+"'"+
			" onMouseOver='fMenuShow("+i+");' onMouseOut='hide="+i+";setTimeout(\"fMenuHide("+i+")\",intr)'>\n");
		for(j=0; j<fSubCount; j+=2)
		{
			document.write("<DIV class='fSubMenuItem' id='fSubMenuItem_"+i+"_"+j+"'"+
				" onMouseOver='this.className=\"fSubMenuItemHover\"' onMouseOut='this.className=\"fSubMenuItem\"'"+
				" onClick='document.location.replace(\""+fSubValue[j+1]+"\");exit=false;'>\n");
			document.write(fSubValue[j]+"</DIV>\n");
		}
		document.write("</DIV>\n");
	}
}

isDOM=document.getElementById //DOM1 browser (MSIE 5+, Netscape 6, Opera 5+) 
isMSIE=document.all && document.all.item //Microsoft Internet Explorer 4+
isNetscape4=document.layers //Netscape 4.*
isOpera=window.opera //Opera
isOpera5=isOpera && isDOM //Opera 5+
isMSIE5=isDOM && isMSIE && !isOpera //MSIE 5+
isMozilla=isNetscape6=isDOM && !isMSIE && !isOpera 

window.onload = fMenuSet;

if(isMSIE5)
	window.onscroll = fMenuUpdate;
else
	setInterval(fMenuUpdate,500);