function show_div(div_id) {
   alert(self.value );
}

function hide() {
	if (document.getElementById('ant0')) document.getElementById('ant0').style.display='none';
	if (document.getElementById('ant1'))	document.getElementById('ant1').style.display='none';
	if (document.getElementById('ant2'))	document.getElementById('ant2').style.display='none';
	if (document.getElementById('ant3'))	document.getElementById('ant3').style.display='none';
	if (document.getElementById('quest_erkl'))	document.getElementById('quest_erkl').style.display='none';
	onload="refresh()"
}