function toggle(obj)
{
	if (document.getElementById)
	{
		vista = (document.getElementById(obj).style.display == 'none') ? 'inline' : 'none';
		document.getElementById(obj).style.display = vista;

	}
}

// class Changer
function changeClass(id, newclass)
{
identity=document.getElementById(id);
identity.className=newclass;
}

// class toggler
function toggleClass(id, classOne, classTwo)
{
identity=document.getElementById(id);
class_name = identity.className;
if (class_name == classOne) {
identity.className = classTwo;
} else {
identity.className = classOne;
}
}