function verification_champ(){
	/*var mail = document.newsletter_form.mail.value;
	var init_fr = "exemple@domaine.fr"
	var init_uk = "exemple@domaine.fr"
	if((!mail)||(mail==init_fr)||(mail==init_uk))
	{
	alerte = "Veuillez entrer votre email.";
	alert(alerte);
	return false;
	}
	else 
	{
	return true;
	}*/
	alert("Ne fonctionne pas pour le moment.");
	return false;
}
function verification_champ_uk(){
	var mail = document.newsletter_form.mail.value;
	var init = "exemple@domaine.fr"
	if((!mail)||(mail==init))
	{
	alerte = "Please fill out this form.";
	alert(alerte);
	return false;
	}
	else 
	{
	return true;
	}
}
function verification_formulaire_contact(){
	var form_nom = document.contact_form.form_nom.value;
	var form_message = document.contact_form.form_message.value;
	var form_email = document.contact_form.form_email.value;
	var form_as = document.contact_form.form_as.value;
	if((!form_nom)||(!form_message)||(!form_email)||(!form_as))
	{
	alerte = "Veuillez compléter tous les champs du formulaire.";
	alert(alerte);
	return false;
	}
	else 
	{
	return true;
	}
}
function verification_formulaire_inscription(){
	var form_email = document.inscription_form.form_email.value;
	if((!form_email))
	{
	alerte = "Veuillez entrer votre email.";
	alert(alerte);
	return false;
	}
	else 
	{
	return true;
	}
}
function verification_formulaire_contact_uk(){
	var form_nom = document.contact_form.form_nom.value;
	var form_message = document.contact_form.form_message.value;
	var form_email = document.contact_form.form_email.value;
	var form_as = document.contact_form.form_as.value;
	if((!form_nom)||(!form_message)||(!form_email)||(!form_as))
	{
	alerte = "Please fill out this form.";
	alert(alerte);
	return false;
	}
	else 
	{
	return true;
	}
}
function verification_formulaire_inscription_uk(){
	var form_email = document.inscription_form.form_email.value;
	if((!form_email))
	{
	alerte = "Please fill out this form.";
	alert(alerte);
	return false;
	}
	else 
	{
	return true;
	}
}

/* ouvre une popup centrée */
function openPopup (pagepu, nompu, optionspu, hauteur, largeur)
{
	var top=(screen.height-hauteur)/2;
	var left=(screen.width-largeur)/2;
	var lesoptions = 'directories=no, menubar=no, status=no, location=no, scrollbars=no, resizable=no, fullscreen=no, left='+ left +', top='+ top + optionspu;
	window.open(pagepu, nompu, lesoptions);
}