function setTheDate(whichID){
document.getElementById('event_'+whichID+'_date').value=(document.getElementById(whichID+'_year').value+'-'+document.getElementById(whichID+'_month').value+'-'+document.getElementById(whichID+'_day').value);
}

function setTheTime(whichID){
document.getElementById('event_'+whichID+'_time').value=(document.getElementById(whichID+'_hour').value+':'+document.getElementById(whichID+'_minute').value+'  '+document.getElementById(whichID+'_ampm').value);
}