function verif_champs()
{
	if(document.forml.nom.value == "")
	{
		alert("Please, write your name");
		document.forml.nom.focus();
		return false;
	}
	if(document.forml.tel.value == "")
	{
		alert("Please, we need your phone number.");
		document.forml.tel.focus();
		return false;
	}

	if(document.forml.email.value == "")
	{
		alert("We need your e-mail address.");
		document.forml.email.focus();
		return false;
	}
	if(document.forml.email.value.indexOf('@') == -1)
	{
		alert("invalid Email!");
		document.forml.email.focus();
		return false;
	}
	if(document.forml.email.value.length <7)
	{
		alert("invalid Email!");
		document.forml.email.focus();
		return false;
	}

}