
<!--
// Check for email address: look for [@] and [.] 
function isEmail(elm) {
if (elm.value.indexOf("@") + "" != "-1" &&
elm.value.indexOf(".") + "" != "-1" &&
elm.value != "") 
return true;
else return false;
}
// Check for null and for empty
function isFilled(elm) {
if (elm.value == "" ||
elm.value == null) 
return false;
else return true;
}
function isReady(form) {
// is address element a real email address?
if (isEmail(form.address) == false) { 
alert("Please enter your email address.");
form.address.focus();
return false;
}
// is fullname element filled?
if (isFilled(form.fullname) == false) {
alert("Please enter your name.");
form.fullname.focus();
return false;
}
// is opinion element filled?
if (isFilled(form.opinion) == false) {
alert("Please enter your opinion.");
form.opinion.focus();
return false;
}
return true;
}
//-->