function affiche_div(valDiv){
	document.getElementById(valDiv).style.display = "block";
}

function enlever_div(valDiv){
	var valDiv;
	document.getElementById(valDiv).style.display = "none";
}

function affiche_div2(valDiv){
	var valDiv;
	document.getElementById(valDiv).style.display = "block";
}

function enlever_div2(valDiv){
	var valDiv;
	document.getElementById(valDiv).style.display = "none";
}

function verif_nombre(champ) {
	var chiffres = new RegExp("[0-9\.]");
	var verif;
	var points = 0;
	
	for(x = 0; x < champ.value.length; x++) {
		verif = chiffres.test(champ.value.charAt(x));
		if(champ.value.charAt(x) == "."){points++;}
		if(points > 1){verif = false; points = 1;}
		if(verif == false){champ.value = champ.value.substr(0,x) + champ.value.substr(x+1,champ.value.length-x+1); x--;}
	}
}

function checkEmail(valeur) {
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(valeur)) {
		return true;
	}
	if (valeur!="") {
		alert("Attention : l'adresse e-mail ne semble pas valide !")
		return false;
	}

}

function checkForm(){
	var theForm = document.ajout_membre;
	theForm.action="devenir-membre.php";
	theForm.submit();
}