// Global vars
var timeout     = 500;
var closetimer	= 0;
var menuitem    = 0;





//-------------------------------------------------------------
//AUTHOR		 : Richard Castera © Copyright 2008.
//PURPOSE        : Opens hidden layer
//PARAMETERS     : .
//RETURNS        : .
//EXAMPLE		 : .
//-------------------------------------------------------------	
function menu_show(id)
{	
	// cancel close timer
	cancelclosetime();

	// close old layer
	if(menuitem) 
	{
		menuitem.style.display = 'none';
		menuitem.style.visibility = 'hidden';
	}

	// get new layer and show it
	menuitem = document.getElementById(id);
	menuitem.style.display = 'block';
	menuitem.style.visibility = 'visible';
}





//-------------------------------------------------------------
//AUTHOR		 : Richard Castera © Copyright 2008.
//PURPOSE        : Close showed layer
//PARAMETERS     : .
//RETURNS        : .
//EXAMPLE		 : .
//-------------------------------------------------------------	
function menu_hide()
{
	if(menuitem)
	{
		menuitem.style.display = 'none';
		menuitem.style.visibility = 'hidden';	
	}
}





//-------------------------------------------------------------
//AUTHOR		 : Richard Castera © Copyright 2008.
//PURPOSE        : Go close timer
//PARAMETERS     : .
//RETURNS        : .
//EXAMPLE		 : .
//-------------------------------------------------------------	
function closetime()
{
	closetimer = window.setTimeout(menu_hide, timeout);
}




//-------------------------------------------------------------
//AUTHOR		 : Richard Castera © Copyright 2008.
//PURPOSE        : Cancel close timer
//PARAMETERS     : .
//RETURNS        : .
//EXAMPLE		 : .
//-------------------------------------------------------------	
function cancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}





// close layer when click-out
document.onclick = menu_hide;