function verif_email_2(info){	
	var reg =  /^[\w_.~-]+@[\w][\w.\-]*[\w]\.[\w][\w.]*[a-zA-Z]$/;
	if(document.getElementById('email').value=='' || reg.exec(document.getElementById('email').value)==null)
	{
		new Effect.Appear(document.getElementById(info));
		new Effect.Fade(document.getElementById("valider_form"));
	}else
	{
		new Effect.Fade(document.getElementById(info));
		continuer_page_1(true);
	}
	
	return;
}


function verif_obligatoire_page_1(cible,info){
	chaine=document.getElementById(cible).value.length;
	if(chaine==0)
	{
		new Effect.Appear(document.getElementById(info));
		new Effect.Fade(document.getElementById("valider_form"));
	}
	else
	{
		new Effect.Fade(document.getElementById(info));
		continuer_page_1(false);
	}
	return;
}


function continuer_page_1(email)
{
	var reg =  /^[\w_.~-]+@[\w][\w.\-]*[\w]\.[\w][\w.]*[a-zA-Z]$/;
	if(document.getElementById('email').value=='' || reg.exec(document.getElementById('email').value)==null)
	{	
			new Effect.Appear(document.getElementById('email'));
			new Effect.Fade(document.getElementById("valider_form"));
	}
	else
		email = true;
	if ( (document.getElementById("cp").value.length != 0) && (document.getElementById("prenom").value.length != 0) && (document.getElementById("nom").value.length != 0 ) && (email ==  true)  )
		new Effect.Appear(document.getElementById("valider_form"));
	return;
}