function CheckIfChecked(ToCheck, RefObj)
{
  if(RefObj.checked)
  {
    var objs = ToCheck.split(" ");
    var mustcheck = true;
    for(i in objs)
      if(document.getElementById(objs[i]).checked)
      {
        mustcheck = false;
        break;
      }
    if(mustcheck)
      for(i in objs)
        document.getElementById(objs[i]).checked = true;
  }
}

function CheckIfNotEmpty(ToCheck1, ToCheck2, RefObj)
{
   if(RefObj.value != '')
   {
    if(ToCheck1 != '')
      document.getElementById(ToCheck1).checked = true;
    if(ToCheck2 != '')
      document.getElementById(ToCheck2).checked = true;
   }
}