// JavaScript Document
var returnVal   = false;

function validatenews(){
var errors = false;

if((newsletter.email.value.indexOf("@") == -1) || (newsletter.email.value.charAt(0) == ".") || (newsletter.email.value.charAt(0) == "@") ||(newsletter.email.value.length < 6) || (newsletter.email.value.indexOf(".") == -1) || (newsletter.email.value.charAt(newsletter.email.value.indexOf("@")+1) == ".") || (newsletter.email.value.charAt(newsletter.email.value.indexOf("@")-1) == ".")){
	alert("Inserire un indirizzo e-mail valido");
	errors = true;
}
else{
	errors = false;
}

if(errors){
	errors = false;
	returnVal = false;
} else {
	returnVal = true;
}
}