function toggle( str )
{
	obj = getElemByID(str)
	if (obj.style.display == 'none')
	{
		obj.style.display = '';
	}
	else
	{
		obj.style.display = 'none';
	}
}


function ToggleClass( objectname, classA, classB )
{
	obj = getElemByID(objectname)
	
	if (obj.className == classA)
	{
		obj.className = classB;
	}
	else
	{
		obj.className = classA;
	}
}


function ChangeClass(objectname, newclass)
{
	var obj = getElemByID(objectname);
	obj.className = newclass;
}