// Vérification du format d'un e-mail
function verifie_email(a)
{
	var testm;
	testm = false;

	for(var j=1; j<(a.length); j++)
	{
		if(a.charAt(j) == "@")
		{
			if(j < (a.length-4))
			{
				for (var k=j ; k<(a.length-2) ; k++)
				{
					if(a.charAt(k) == ".")
					{
						testm = true;
					}
				}
			}
		}
	}
	return testm;
}