function optionVolunteers(val)
{
	//alert(val);
	if(val=='Just for an event')
	document.getElementById('events_tr').style.display='block';
	else
	document.getElementById('events_tr').style.display='none';
	
	
}


function show(whichone) {
	//alert(whichone);
	document.getElementById(whichone).style.visibility="visible";
	//document.getElementById(whichone).style.z-index="2";
}
function hide(whichone) {
	document.getElementById(whichone).style.visibility="hidden";
}