Please urgent need on form validation
<html>
<head>
<title>Form validation field for you</title>
<script type="text/javascript">
Hi Sir,
heilp me with form not working whennoting is enter in the textfield.
function validate()
{
message=""
message=message CheckEmail()
message=message CheckAddress()
if(message==""){
return true
}
else{
alert(message){
return false
}
}
function CheckEmail()
{
email=document.f1.mail.value;
var atpos=email.indexOf("@");
var dotpos=lastIndexOf(".");
message=""
if(email==""){
message="You did not enter an email" "\n";
return message
}
else
if(atpos<1 || atpos<dotpos 2 || email.length>50){
message="Your email should not be more than 50" "\n";
return message
}
}
function CheckAddress()
{
address=document.f1.add.value;
var illegalchars=/[\W_]/;
message=""
if(address==""){
message="You did not enter your address" "\n";
return message
}
else
if(illegalchars.test(address.value)){
message="You entered an invalid address,do not add underscore" "\n";.
return message
}
}
</script>
</head>
<body>
<form name="f1" method="post" action="" onsubmit="return validate()"/>
Email:<input type="text" name="mail"/><br/>
Address: <input type="text" name="add"/><br/>
<input type="submit" value="submit form"/><br/>
</form>
</body>
</html>
Thanks.Clement Osei.
