function checkForm()
	{
		if (document.contact.nom.value.length == 0)
		{
			alert("Can you please precise your name");
			return false;
		} else if (document.contact.mail.value.length == 0)
		{
			alert("Can you please write your email");
			return false;
		} else if (document.contact.message.value == '')
		{
			alert("Can you please write a message");
			return false;
		} else
		{
			return true;
		}
	}