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