function changeClass (id, firstClass, secondClass)
{
	//alert(id.className+' - '+firstClass+' - '+secondClass);
	if (id.className == firstClass)
	{
		id.className = secondClass;
	}
	else
	{
		id.className = firstClass;
	}
}

function changeClassSimple (id, class)
{
	id.className = class;
}