var couleur = "#9d0d15";

function check_contact_form() 
{
	var msg = "";	
	if (document.contact_form.contact_firstsurname.value == ""  || document.contact_form.contact_firstsurname.value == document.contact_form.contact_firstsurname_default.value )	
	{
		msg += "Veuillez saisir votre nom\n";
		document.contact_form.contact_firstsurname.style.background = couleur;
	}

	if (document.contact_form.contact_mail.value != "" || document.contact_form.contact_mail.value == document.contact_form.contact_mail_default.value)	
	{
		indexAroba =document.contact_form.contact_mail.value.indexOf('@');
		indexPoint = document.contact_form.contact_mail.value.indexOf('.');
		if ((indexAroba < 0) || (indexPoint < 0))		
		{
			document.contact_form.contact_mail.style.background= couleur;
			msg += "Le mail est incorrect\n";
		}
	}
	
	if (document.contact_form.contact_message.value == "" || document.contact_form.contact_message.value == document.contact_form.contact_message_default.value)	
	{
		msg += "Veuillez saisir votre description\n";
		document.contact_form.contact_message.style.background = couleur;
	}

	if (msg == "") 
	{
		document.contact_form.method = "POST";
		document.contact_form.action = "contact.php";
		document.contact_form.submit();
	} 
	else	
	{
		//alert(msg);
	}
	
}