function limiteNbCaractere(textarea, max){
		if(textarea.value.length >= max){
			textarea.value=textarea.value.substring(0, max);
		}

		var reste=max-textarea.value.length;

		var text_rexte= reste+' caractères restants';
		document.getElementById('text_max_desc').innerHTML=text_rexte;
	}

function verifThemeEvenement(select){
	if(select.value=='nouveau')
		 document.getElementById('nouveau_theme').style.display='';
	else
		document.getElementById('nouveau_theme').style.display='none';

}


function allDate(form){
	if(form.dateAll.checked){
		form.mois_events.disabled=true;
		form.annee_events.disabled=true;
	}else{
		form.mois_events.disabled=false;
		form.annee_events.disabled=false;
	}
}