var browserType;

if (document.layers) {browserType = "nn4";}
if (document.all) {browserType = "ie";}
if (window.navigator.userAgent.toLowerCase().match("gecko")) 
	{
	browserType= "gecko";
	}

function toggleLayer(idLayer) {
if (browserType == "gecko" )
	{
	document.poppedLayer_l = eval('document.getElementById("left")');
	document.poppedLayer_a = eval('document.getElementById("about")');
	document.poppedLayer_d = eval('document.getElementById("disclaimer")');
	}  else if (browserType == "ie") 
		{
		document.poppedLayer_l = eval('document.getElementById("left")');
		document.poppedLayer_a = eval('document.getElementById("about")');
		document.poppedLayer_d = eval('document.getElementById("disclaimer")');
		} else {
		document.poppedLayer_l = eval('document.layers["left"]');
		document.poppedLayer_a = eval('document.layers["about"]');
		document.poppedLayer_d = eval('document.layers["disclaimer"]');
		}
		
// By default, switch off all div
		
document.poppedLayer_a.style.visibility = "hidden";
document.poppedLayer_a.style.display = "none";
document.poppedLayer_l.style.visibility = "hidden";
document.poppedLayer_l.style.display = "none";
document.poppedLayer_d.style.visibility = "hidden";
document.poppedLayer_d.style.display = "none";

// Turn ON selected DIV
switch (idLayer)
	{
	case "left":
	document.poppedLayer_l.style.visibility = "visible";
	document.poppedLayer_l.style.display = "block";
	break;
	case "about":
	document.poppedLayer_a.style.visibility = "visible";
	document.poppedLayer_a.style.display = "block";
	break;
	case "disclaimer":
	document.poppedLayer_d.style.visibility = "visible";
	document.poppedLayer_d.style.display = "block";
	break;
	}
}

function hideShow(idpr)
{
var pr = document.getElementById(idpr);

if (pr.style.display == "none")	
	{
	pr.style.display = "block";
	pr.style.visibility = "visible";
	}
	else
	{
	pr.style.display = "none";
	pr.style.visibility = "hidden";
	}
}

function Show(div,pos)
{

document.getElementById(div).style.visibility = "visible";
document.getElementById(div).style.display = "block";
if (pos)
	{
	document.getElementById(div).style.left = document.getElementById(pos).offsetLeft;
	}
}

function Hide(div)
{
document.getElementById(div).style.visibility = "hidden";
document.getElementById(div).style.display = "none";
}

function HideAll(v_arr)
{
// Hide every divs
for (i=0;i<v_arr.length;i++)
	{
	Hide(v_arr[i]);
	}
}

function displayHide(id,v_arr,pos)
{
// Hide every divs
HideAll(v_arr);

// active the right div
Show(id,pos);
}