function validate_ast(){
if (
  document.astrology_form.elements['4'].value==document.astrology_form.elements['8'].value &&
  document.astrology_form.elements['5'].value==document.astrology_form.elements['9'].value &&        
  document.astrology_form.elements['6'].value==document.astrology_form.elements['10'].value && 
  document.astrology_form.elements['4'].value!=0 && 
  document.astrology_form.elements['5'].value!=0 &&
  document.astrology_form.elements['6'].value!=0
){
answer=confirm("You submitted the same birth date for both people.  Is this really what you wanted to do?\n Click 'ok' to proceed\n or click 'cancel' to edit the birth information");
if(answer==true)
  return true;
else
  return false;
alert(answer);
} else {
  return true;
}

}