// Textarea and textarea counter control
function textCounter(field, countfield, maxlimit) {
if (field.value.length > maxlimit) // if too long...trim it!
field.value = field.value.substring(0, maxlimit);
// otherwise, update 'characters left' counter
else 
countfield.value = maxlimit - field.value.length;
}
// relational checkbox to text area
function msg() {
  var advta, advcb;
  advcb = document.getElementById("directory_listing1");
  advta = document.getElementById("directory_listing2");
  if (advcb.unchecked) {
    
     advta.value = ""; //optional - this will clear any text in the text area.
	 advta.disabled = true;
  }
  else
    advta.disabled = false;
}