function exxiteFShow(id) {
	if(!document.getElementById) return;
	var o=document.getElementById(id);
	var i=document.getElementById('b'+id);
	if(o) {
		if(o.style.display=="block") {
			o.style.display="none";
			i.src="/img/icon_arrow_open.gif";
		} else {
			o.style.display="block";
			i.src="/img/icon_arrow_close.gif";
		}
	}
}