function countchars(object) {
  if (document.getElementById) {
      return document.getElementById(object).value.length;
  }
  else if (document.layers && document.layers[object] != null) {
      return document.layers[object].value.length;
  }
  else if (document.all) {
      return document.all[object].value.length;
  }
  return false;
}

function SetAllCheckBoxes(FormName, FieldName, CheckValue)
{
    if(!document.forms[FormName])
        return;
    var objCheckBoxes = document.forms[FormName].elements[FieldName];
    if(!objCheckBoxes)
        return;
    var countCheckBoxes = objCheckBoxes.length;
    if(!countCheckBoxes)
        objCheckBoxes.checked = CheckValue;
    else
        // set the check value for all check boxes
        for(var i = 0; i < countCheckBoxes; i++)
            objCheckBoxes[i].checked = CheckValue;
}