function filled(field) { return (field.value == "" || field.value == null || field.value == " ") ? false  : true; }
function validate()
	{
	themessage = "Please modifiy the following informations: \n";
	themessage = (filled(document.contactform.nom)) ? themessage : themessage + "\nProvide your name";
	themessage = ((!filled(document.contactform.email)) || ((!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.contactform.email.value)))) ? themessage + "\nProvide a valid email address" : themessage;
	themessage = (filled(document.contactform.message)) ? themessage : themessage + "\nProvide your request";
	(themessage == "Please modifiy the following informations: \n") ? document.contactform.submit() : alert(themessage); return false;
	}