function setVisibility(id, visibility)
{
	document.getElementById(id).style.visibility = visibility;
}

function getCookie(c_name)
{
	var i, x, y, ARRcookies = document.cookie.split(";");
	for (i = 0; i < ARRcookies.length; i++)
	{
		x = ARRcookies[i].substr(0,ARRcookies[i].indexOf("="));
		y = ARRcookies[i].substr(ARRcookies[i].indexOf("=") + 1);
		x = x.replace(/^\s+|\s+$/g, "");
		if (x == c_name)
		{
			return unescape(y);
		}
	}
}

function setCookie(c_name, value, exdays)
{
	var today = new Date();
	today.setTime( today.getTime() );
	var expires_date = new Date( today.getTime() + (3600000) );
	var c_value = escape(value) + ((expires_date==null) ? "" : "; expires=" + expires_date.toUTCString());
	document.cookie = c_name + "=" + c_value;
}

function checkCookie(checkID)
{
	if (getCookie("actieLayer") != checkID)
	{
		setCookie("actieLayer",checkID,365);
		setVisibility("actieLayer", "visible");
	}
	else
	{
		setVisibility("actieLayer", "hidden");
	}
}