/***********************************************
* 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);
}