function checkForm(form){
	function echeck(str) {
		var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
		if (filter.test(str)){
			return true;
		}else{
			return false;
		}
	}
	
	if(form.nom.value == "") {
		alert ('Please feel mandatory field !');
		form.nom.focus();
		return false;
	}
	if(form.prenom.value == "") {
		alert ('Please feel mandatory field !');
		form.prenom.focus();
		return false;
	}
	if(form.type_ass.value == "") {
		alert ('Please feel mandatory field !');
		form.prenom.focus();
		return false;
	}
	if(form.tva.value == "") {
		alert ('Please feel mandatory field !');
		form.prenom.focus();
		return false;
	}
	if ((form.email.value==null)||(form.email.value=="")){
		alert("Adresse email non valide !");
		form.email.focus();
		return false;
	}
	if (echeck(form.email.value)==false){
		form.email.value="";
		alert("Adresse email non valide !");
		form.email.focus();
		return false;
	}
	if(form.adresse.value == "") {
		alert ('Please feel mandatory field !');
		form.adresse.focus();
		return false;
	}
	if(form.cpl.value == "Please feel mandatory field !") {
		alert ('');
		form.cpl.focus();
		return false;
	}
	if(form.tel.value == "") {
		alert ('Please feel mandatory field !');
		form.tel.focus();
		return false;
	}
	if(form.objet.value == "devis") {
		if(form.date.value == "") {
			alert ('Please feel mandatory field !');
			form.date.focus();
			return false;
		}
		if(form.horaire.value == "") {
			alert ('Please feel mandatory field !');
			form.horaire.focus();
			return false;
		}
	}

	if(true) { form.submit(); }
	form.submit();
}

function devis(form) {
	if(form.objet.value == "devis") {
		document.getElementById('devis').style.display = 'block';
		//alert('block');
	}else{
		document.getElementById('devis').style.display = 'none';
		//alert('hidden');
	}
}

function votrecontact(form) {
	if(form.reference.value == "Entendu par amis") {
		document.getElementById('nom_votrecontact').style.display = 'block';
		//alert('block');
	}else{
		document.getElementById('nom_votrecontact').style.display = 'none';
		//alert('hidden');
	}
}