var setActive = function(element_o)
{
	if(element_o)
	{
		var current_de = document.getElementById(element_o);
			current_de.className = 'active';
	}
};

var setDisplaySwitch = function(id_s)
{
	
	var element_o = document.getElementById(id_s);
	
		if(element_o)
			element_o.style.display = element_o.style.display ? '' : 'none';
};