function DisplayLength(MesText, MaxLength, rchid)
{
rch=document.getElementById(rchid);

if ( MesText.value.length > MaxLength )
     {
     MesText.value = MesText.value.substr(0, MaxLength );
     }
if (rchid!='no')              
rch.innerHTML = MaxLength - MesText.value.length;
}