function verif(email) {
	var arobase = email.indexOf("@")
	var point = email.lastIndexOf(".")
	if((arobase < 2)||(point + 2 > email.length)||(point < arobase+2)) { alert('Cet e-mail n\'est pas valide !');return false }
	else { document.newsletter.submit();return true }
}

function calculer(){
  var total=0;
  if(document.getElementById('PAC1_1').checked==true) total=parseInt(total)+parseInt(total)+parseInt(90);
  if(document.getElementById('PAC1_2').checked==true) total=parseInt(total)+parseInt(130);
  if(document.formu.PAC2.checked==true) total=parseInt(total)+parseInt(60);
  if(document.formu.t1.value!="") total=parseFloat(total)+parseFloat(document.formu.t1.value);
  if(document.formu.t2.value!="") total=parseFloat(total)+parseFloat(document.formu.t2.value);
  if(document.formu.t3.value!="") total=parseFloat(total)+parseFloat(document.formu.t3.value);
  if(document.formu.t4.value!="") total=parseFloat(total)+parseFloat(document.formu.t4.value);
  if(document.formu.t5.value!="") total=parseFloat(total)+parseFloat(document.formu.t5.value);
  if(document.formu.t6.value!="") total=parseFloat(total)+parseFloat(document.formu.t6.value);
  if(document.formu.t7.value!="") total=parseFloat(total)+parseFloat(document.formu.t7.value);
  if(document.formu.t8.value!="") total=parseFloat(total)+parseFloat(document.formu.t8.value);
  if(document.formu.t9.value!="") total=parseFloat(total)+parseFloat(document.formu.t9.value);
  if(document.formu.t10.value!="") total=parseFloat(total)+parseFloat(document.formu.t10.value);
  if(document.formu.t11.value!="") total=parseFloat(total)+parseFloat(document.formu.t11.value);
  if(document.formu.t12.value!="") total=parseFloat(total)+parseFloat(document.formu.t12.value);
  if(document.formu.t13.value!="") total=parseFloat(total)+parseFloat(document.formu.t13.value);
  if(document.formu.t14.value!="") total=parseFloat(total)+parseFloat(document.formu.t14.value);
  if(document.formu.t15.value!="") total=parseFloat(total)+parseFloat(document.formu.t15.value);
  if(document.formu.t16.value!="") total=parseFloat(total)+parseFloat(document.formu.t16.value);
  if(document.formu.t17.value!="") total=parseFloat(total)+parseFloat(document.formu.t17.value);
  if(document.formu.t18.value!="") total=parseFloat(total)+parseFloat(document.formu.t18.value);
  if(document.formu.t19.value!="") total=parseFloat(total)+parseFloat(document.formu.t19.value);
  document.formu.total.value=Math.round(total*100)/100;
  if(total<50) 
    document.formu.total_final.value=Math.round((total+parseFloat(4.58))*100)/100;
  else
    document.formu.total_final.value=Math.round(total*100)/100;
}

function test_champs(){
  var nom=document.getElementById('nom').value
  var adresse=document.getElementById('adresse').value
  var ville=document.getElementById('ville').value
  var cp=document.getElementById('cp').value
  var tel=document.getElementById('tel').value
  
  if(nom=="" || tel=="" || cp=="" || ville=="" || adresse=="")
    alert('Tous les champs sont obligatoires');
  else
    document.formu.submit();
}