/*
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> karakter tersisa'
	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); }
}