function verif_email(email) 
{
	var arobase = email.indexOf("@")
	var point = email.lastIndexOf(".")
	if((arobase < 1)||(point + 2 > email.length)||(point < arobase+3)) return false
	return true
}

function sav_formulaire_valid()
{
	 var err= new String('');
	 ok=1;
	 
	disparition();
	
	if((!isNaN(document.getElementById('nom').value)) || (document.getElementById('nom').value == ""))
	{
		document.getElementById('nom').style.background = "#FFCCCC";
		err=err+'<br>- votre nom est incorrect';
		ok=0;
	}else
	{
		document.getElementById('nom').style.background = "#fff";
	}	
	
	if((!isNaN(document.getElementById('prenom').value)) || (document.getElementById('prenom').value == ""))
	{
		document.getElementById('prenom').style.background = "#FFCCCC";
		err=err+'<br>- votre prenom est incorrect';
		ok=0;
	}else
	{
		document.getElementById('prenom').style.background = "#fff";
	}
	
	acp_tel=document.getElementById('tel').value;
	t1 = acp_tel.charAt(0); 
	t2 = acp_tel.charAt(1);
	
	for(i=0;i<acp_tel.length;i++)
	{
		if((acp_tel.length != 10) || (isNaN(parseInt(acp_tel.charAt(i)))) || (t1 != "0") || (t2 == "0"))
		{
			document.getElementById('tel').style.background = "#FFCCCC";
			err=err+='<br>- votre téléphone est incorrect';
			ok=0;
			i=acp_tel.length;
		}else
		{
			document.getElementById('tel').style.background = "#fff";
		}
	}
	
	acp_tel_por=document.getElementById('tel_por').value;
	t1 = acp_tel_por.charAt(0); 
	t2 = acp_tel_por.charAt(1);
	
	for(i=0;i<acp_tel_por.length;i++)
	{
		if((acp_tel_por.length != 10) || (isNaN(parseInt(acp_tel_por.charAt(i)))) || (t1 != "0") || !(t2 == "6" || t2 == "7"))
		{
			document.getElementById('tel_por').style.background = "#FFCCCC";
			err=err+='<br>- votre téléphone portable est incorrect';
			ok=0;
			i=acp_tel_por.length;
		}else
		{
			document.getElementById('tel_por').style.background = "#fff";
		}
	}
	if((!verif_email(document.getElementById('e_mail').value)) || (document.getElementById('e_mail').value == ""))
	{
		document.getElementById('e_mail').style.background = "#FFCCCC";
		err=err+='<br>- votre E-mail est incorrect';
		ok=0;
	}else
	{
		document.getElementById('e_mail').style.background = "#fff";
	}
	if((!isNaN(document.getElementById('commentaire_sav').value)) || (document.getElementById('commentaire_sav').value == ""))
	{
		document.getElementById('commentaire_sav').style.background = "#FFCCCC";
		err=err+'<br>- veuillez inserer votre commentaire';
		ok=0;
	}else
	{
		document.getElementById('commentaire_sav').style.background = "#fff";
	}
	if (!ok)
	{
		document.getElementById("message").innerHTML = err;
		document.getElementById("erreur").style.visibility='visible';
		return false;
	}
	else 
	{
		document.sav_formulaire.submit();
	}
}