function countChars(obj,ids,counts)
    {
       if(obj)
       { 
           var values = obj.value ;
           if(isMaxString(values,counts))
            { 
              obj.value=values.substring(0,counts) ;
            }  
           document.getElementById(ids).innerHTML=counts-values.length ;
       }
    }
function isMaxString(value,count)
{
    if(value.length>count)
   {
      return true ;
   } 
   else
   {
      return false ;
   }
}