// JavaScript Document

function Set(element) {
  document.getElementById(element).checked=true;
}

function Clear(element) {
  document.getElementById(element).checked=false;
}

function Anonymous() {
  Clear('MAN');
  Clear('WOMAN');
  Clear('CHILD');
  Clear('HAS_CHILD');
  Clear('HAS_NO_CHILD');
  Clear('HAS_SON');
  Clear('HAS_DAUGHTER');
  Clear('HAS_CHILDREN');
  Clear('IS_PREGNANT'); IsPregnant();
  Clear('REGISTERED');
  Clear('STUDENT');
  Clear('SPECIALIST');
  Clear('EDITOR');
  Clear('ADMINISTRATOR');
}

function IsPregnant() {
  if (document.getElementById('IS_PREGNANT').checked) {
    document.getElementById('PERIOD_DATA').style.display='block';
  } else {
    document.getElementById('PERIOD_DATA').style.display='none';
    document.getElementById('PERIOD').value=0;
    document.getElementById('PERIOD_FROM').value=0;
    document.getElementById('PERIOD_TILL').value=0;
  }
}

function SetFilter() {
  document.forms.content_area.action="?set_filter";
  document.forms.content_area.submit();
}

function SetPeriod() {
  if (document.getElementById('PERIOD').value==0) {
    document.getElementById('PERIOD_FROM').value='0';
    document.getElementById('PERIOD_TILL').value='0';
  }
}