function list(n)
{	var sert = document.getElementById("sert");
	var otz = document.getElementById("otz");
	var sertpage = document.getElementById("sert_page");
	var otzpage = document.getElementById("otz_page");
	var actfon = document.getElementById("actfon");
	if (n == "sert")
	{
		sert.className = "act";
		sertpage.style.display = "block";
		otz.className = "dis";
		otzpage.style.display = "none";
		actfon.style.left = "1px";
		createCookie("s_o", "sert", 365);
	}
	else 
	{
		otz.className = "act";
		otzpage.style.display = "block";
		sert.className = "dis";
		sertpage.style.display = "none";
		actfon.style.left = "137px";
		createCookie("s_o", "otz", 365);
	}
	return false;
}

window.onload = function() 
{
	var cookie_s_o = readCookie("s_o");
	var soro = cookie_s_o ? cookie_s_o : "sert";
	list(soro);
}

document.getElementById("s_o_control").style.display = 'block';