/**
 * Textarea text counter
 */

function textCounter(field, countfield, maxlimit, tail) 
{
   if (field.value.length > maxlimit)
   {
      field.value = field.value.substring(0, maxlimit);
   }
   else
   {
      countfield.value = maxlimit - field.value.length;
      countfield.value += ' ' + tail;
   }
}