_spBodyOnLoadFunctionNames.push("IsAuthenticatedUser('s4-ribbonrow')");

function IsAuthenticatedUser(obj)
{
	var el = document.getElementById(obj);
	if (typeof _spUserId=="undefined")
	{
		el.style.display = 'none';
	}
	else
	{
		el.style.display = '';
	}

}

function ToggleRibbon(obj)
{
	var el = document.getElementById(obj);
	if(el.style.display != 'none')
	{
		el.style.display = 'none';
	}
	else
	{
		el.style.display = '';
	}
}