/* 
Form field Limiter script- By Dynamic Drive 
For full source code and more DHTML scripts, visit http://www.dynamicdrive.com 
This credit MUST stay intact for use 
*/ 

var ns6=document.getElementById&&!document.all 

function restrictinput(maxlength,e,placeholder){ 
   if (window.event&&event.srcElement.value.length>=maxlength) 
      return false 
   else if (e.target&&e.target==eval(placeholder)&&e.target.value.length>=maxlength) { 
      var pressedkey=/[a-zA-Z0-9\.\,\/]/ //detect alphanumeric keys 
      if (pressedkey.test(String.fromCharCode(e.which))) 
         e.stopPropagation() 
   } 
} 

function countlimit(maxlength,e,placeholder) { 
   var theform=eval(placeholder) 
   var lengthleft=maxlength-theform.value.length 
   var placeholderobj=document.all? document.all[placeholder] : document.getElementById(placeholder) 
   if (window.event||e.target&&e.target==eval(placeholder)) { 
      if (lengthleft<0) 
         theform.value=theform.value.substring(0,maxlength) 
      placeholderobj.innerHTML=lengthleft 
   } 
} 


function displaylimit(thename, theid, thelimit){ 
   var theform=theid!=""? document.getElementById(theid) : thename 
   var limit_text='<b><span id="'+theform.toString()+'">'+thelimit+'</span></b> characters allowed' 
   if (document.all||ns6) 
      document.write(limit_text) 
   if (document.all) { 
      eval(theform).onkeypress=function(){ return restrictinput(thelimit,event,theform)} 
      eval(theform).onkeyup=function(){ countlimit(thelimit,event,theform)} 
   } 
   else if (ns6){ 
      document.body.addEventListener('keypress', function(event) { restrictinput(thelimit,event,theform) }, true); 
      document.body.addEventListener('keyup', function(event) { countlimit(thelimit,event,theform) }, true); 
   } 
}