var heightMin = 140;
var heightMax = 425;
var interval = new Array();
var h = new Array();
var numLay = 3;
var finished = false;	// Activate scrolling menus only when intro ens
var showSpeed = 700;
var fadeSpeed = new Array();
fadeSpeed[0] = 7;
fadeSpeed[1] = 12;
fadeSpeed[2] = 20;
function spread(id)
{
	if (finished)
	{
		for (k = 0; k < numLay; k++)
		{
			if (k != id)
			{
				out (k);
			}
		}
		if (h[id] == 0)
		{
			h[id] = heightMin;
		}
		if (h[id] > heightMax)
		{
			clearTimeout(interval[id]);
		}
		else
		{
			h[id] = h[id] + 4;
			document.getElementById(id).style.height = h[id] + "px";
			opacity(id, 90);
			interval[id] = setTimeout ("spread(" + id + ")", 0.1);
		}
	}
}
function opacity(id, value)
{
	document.getElementById(id).style.opacity = "0." + value;
	document.getElementById(id).style.filter = "alpha(opacity=" + value + ")"; 
	// document.getElementById(id).style.-moz-opacity = value;	
}
function out (id)
{
	document.getElementById(id).style.height = heightMin + "px";
	opacity (id, 75);
	clearTimeout (interval[id]);
	h[id] = heightMin;
}
function showAll()
{
	for (k = 0; k < numLay; k++)
	{
		h[k] = heightMin;
		setTimeout ('fadeIn(' + k + ')', k * showSpeed);
		setTimeout ('showLay(' + k + ')', k * showSpeed);
	}
	finished = true;
}
function showLay(id)
{
	document.getElementById(id).style.visibility = 'visible';
}
function fadeIn(id)
{
	for (op = 0; op < 75; op++)
	{
		setTimeout ("opacity(" + id + "," + op + ")", op * (fadeSpeed[id]) );
	}
}
/*
function go()
{
	location.href="index2.php";
}
*/