/* μενώ */
function menuOver (obj, lang)
{
	var new_src = obj.src.replace(/off[_a-z]{0,4}\.gif$/,"on"+lang+".gif");
	obj.src = new_src;
}

function menuOut(obj, lang)
{
	var new_src = obj.src.replace(/on[_a-z]{0,4}\.gif$/,"off"+lang+".gif");
	obj.src = new_src;
}