function verificationBanquet()
{	
	if(window.document.inscriptionBanquet.nom.value == ""
	|| window.document.inscriptionBanquet.prenom.value == ""
	|| window.document.inscriptionBanquet.adresse.value == ""
	|| window.document.inscriptionBanquet.cdp.value == ""
	|| window.document.inscriptionBanquet.localite.value == ""
	|| window.document.inscriptionBanquet.nom.value == " "
	|| window.document.inscriptionBanquet.prenom.value == " "
	|| window.document.inscriptionBanquet.adresse.value == " "
	|| window.document.inscriptionBanquet.cdp.value == " "
	|| window.document.inscriptionBanquet.localite.value == " ") 
	{	
		alert("Vous devez remplir tout les champs suivi d\'une * !");
	}
	else 
	{	
		if(window.document.inscriptionBanquet.email.value != "") 
		{	
			adresse = window.document.inscriptionBanquet.email.value;
			var place = adresse.indexOf("@",1);
			var point = adresse.indexOf(".",place+1);
			if ((place > -1)&&(adresse.length >2)&&(point > 1)) 
			{	
				window.document.inscriptionBanquet.submit();
			}
			else 
			{	
				alert("Entrez une adresse e-mail valide (login@domaine.com) ou laissez le champ vide!!");
			}
		}
		else if(window.document.inscriptionBanquet.tel.value.substr(0,1) == "+")
		{	
			var len = document.inscriptionBanquet.tel.value.length;
			document.inscriptionBanquet.tel.value = document.inscriptionBanquet.tel.value.substr(1,len-1);
			window.document.inscriptionBanquet.submit();
		}
		else 
		{	
			window.document.inscriptionBanquet.submit();
		}
	}
}

function openMenuBanquet()
{	
	var nav = navigator.userAgent.toLowerCase();
	if(nav.indexOf('safari') != -1)
	{		
		window.open('menu.html','_blank','toolbar=0, location=0, directories=0, status=1, scrollbars=1, resizable=0, copyhistory=0, menuBar=0, width=450, height=580, left=350, top=200');
		return
	}
	if(nav.indexOf('firefox') != 1)
	{	
		window.open('menu.html','_blank','toolbar=0, location=0, directories=0, status=1, scrollbars=1, resizable=0, copyhistory=0, menuBar=0, width=450, height=580, left=350, top=200');
		return
	}
	if(nav.indexOf('msie') != 1)
	{	
		window.open('menu.html','_blank','toolbar=0, location=0, directories=0, status=1, scrollbars=1, resizable=0, copyhistory=0, menuBar=0, width=450, height=580, left=350, top=170');
		return
	}
}