function clearmsg(){
	document.sms.abstractbody.value="";
	document.sms.charsleft.value="2000";
	document.sms.abstractbody.focus();
}

function ShowCharsLeft(formulaire,champs) {

// if(navigator.appName!="Netscape") {
	var maxLength = 2000
	var toRemove, i;
		
	total = formulaire.elements["objectif"].value.length + formulaire.elements["materiel_methode"].value.length + formulaire.elements["resultat"].value.length + formulaire.elements["discussion"].value.length;
		
	if (typeof(champs) != "undefined") {
		if (total > maxLength) {
			
			toRemove = total - maxLength;
			
			champs.value = champs.value.substring(0,champs.value.length - toRemove);
			charleft = 0;
		} else {
			charleft = maxLength-total;
		}
	} else {
		charleft = maxLength-total;
	}

	for (i=0; i < formulaire.elements["charsleft"].length; i++) {
		formulaire.elements["charsleft"][i].value=charleft
	}

}