/***********************************************
* Textarea Maxlength script- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for legal use.
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

function ismaxlength(obj){
  var mlength=obj.getAttribute? parseInt(obj.getAttribute("maxlength")) : "";
  if (obj.getAttribute && obj.value.length>mlength) {
    obj.value=obj.value.substring(0,mlength);
    alert("Sorry, you've gone over our 2000 character limit. Please can you shorten your review.");
  }
}