// to set lenth of text area 
function imposeMaxLength(Object, MaxLen)
{
  return (Object.value.length <= (MaxLen));
}
// to display the text areas length 
function len_display(Object,MaxLen,element){
    var len_remain = MaxLen-Object.value.length;
    if(len_remain >=0){
    document.getElementById(element).value=len_remain; }
}

function textCounter(field,cntfield,maxlimit) {
if (field.value.length > maxlimit) // if too long...trim it!
field.value = field.value.substring(0, maxlimit);
// otherwise, update 'characters left' counter
else
cntfield.value = maxlimit - field.value.length;
}