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);
}