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\.\,\/]/ 
		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='<p class="mesg_contact2">Saisie limit&eacute;e &agrave; 2500 caract&egrave;res : <span id="'+theform.toString()+'">'+thelimit+'</span> caract&egrave;re(s) restant</p>'
	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); 
	}
}