function isEmail(obj)
{
	var indexAroba = obj.value.indexOf('@');
	var indexPoint = obj.value.indexOf('.');
	if (((indexAroba < 0) || (indexPoint < 0)))
	{
		obj.style.backgroundColor = '#FAE2EC';
		return false;
	}
	return true;
}

function verifMail()
{
	var mail = document.getElementById('email_pdf');

	if (mail.value == '')
	{
		mail.style.backgroundColor = '#FAE2EC';
		return false;
	}
	else
	{
		mail.style.backgroundColor = '#FFFFFF';
		return isEmail(mail);
	}
}
	
function check()
{
	var champ = [
	'nom', 
	'email', 
	'message'
	];
	
	var msg = '';
	var flag = false;
	
	for (var i = 0; i <= 2; ++i) {
		
		var oblig = document.getElementById(champ[i]);
		if (oblig.value == '') {
			oblig.style.backgroundColor = '#FAE2EC';
		}
		else
			oblig.style.backgroundColor = '#FFFFFF';

		if (i == 1 && oblig.value != '') {
			flag = isEmail(oblig);
		}
	}
	if (flag == false) {
		return false;
	}
	return true;
}