var menus = 2;
var menuClick = true;
var currentMenu = 0;
var selectedMenu = 0;
var clicked = false;

function selectMenu(m) // click on a menu header
	{
	if(clicked) // the menu is already active
		{
		clicked=false;
		selectedMenu=0;
		currentMenu=m;
		hideAll(-1)
		}
	else
		{
		clicked=true;
		selectedMenu=m;
		currentMenu=m;
		
		hideAll(m); // except m
		if(document.getElementById)
			{
			var themenu=document.getElementById("menu"+m);
			themenu.style.visibility="visible";
			}
		}
	}


function showMenu(m) // display a full menu on rollover
	{
	if(clicked)
		{
		hideAll(m);
		if(document.getElementById)
			{
			var themenu=document.getElementById("menu"+m);
			themenu.style.visibility="visible";
			}
		}
		selectedMenu=0;
		currentMenu=m;
	}
		
function hideAll(e) // hide all menus except e
	{
		for(i=1;i<=menus;i++)
			{
			if(e!=i)
				{
				if(document.getElementById)
					{
					var themenu=document.getElementById("menu"+i);
					themenu.style.visibility="hidden";
					}
				}
			}
	}
	
 function pageClick()
	{
	 if(!menuClick)  
		{
	 	clicked=false;
	 	currentMenu=0;
	 	selectedMenu=0;
	 	hideAll(0);
		}
  	else  
		{
	 	menuClick = false;
		}
	}