/**
 * Webmail client library
 * @version 1.0 (29-03-2007)
 * @author Gabriele Falcioni (postmaster AT strafnet DOT com)
 */
function webmail_formCheck() {
	function isDef(a) { return (a != undefined && a != null && a != ""); }
	function isEmail(a) { return (/^[\w\-\.]+\@([\w\-]+\.?){2,}$/.exec(a) != null); }
	function isPhone(a) { return (/^\+?[- 0-9\/]+$/.exec(a) != null); }

	var name    = document.getElementById("name");
	var email   = document.getElementById("email");
	var phone   = document.getElementById("phone");
	var mobile  = document.getElementById("mobile");
	var fax     = document.getElementById("fax");
	var message = document.getElementById("message");
	var privacy = document.getElementById("privacy");

	if (!isDef(name.value)) {
		window.alert("You must insert your name");
		name.focus();
	} else if (!isDef(email.value) || !isEmail(email.value)) {
		window.alert("You must insert your email address");
		email.focus();
		email.select();
	} else if (isDef(phone.value) && !isPhone(phone.value)) {
		window.alert("The phone number must be a valid number");
		phone.focus();
		phone.select();
	} else if (isDef(mobile.value) && !isPhone(mobile.value)) {
		window.alert("The mobile phone number must be a valid number");
		mobile.focus();
		mobile.select();
	} else if (isDef(fax.value) && !isPhone(fax.value)) {
		window.alert("The fax number must be a valid number");
		fax.focus();
		fax.select();
	} else if (!isDef(message.value)) {
		window.alert("You must type a message");
		message.focus();
	} else if ( ! privacy.checked) {
		window.alert("(PRIVACY!)");
	} else {
		return true;
	}

	return false;	// cancel submit
}