hi where should i add this script to
<?
function validate_email ($address) {
return (ereg('^[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+'.
'@'.
'[-!#$%&\'*+\\/0-9=?A-Z^_`a-z{|}~]+\.'.
'[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+$',
$address), 1);
}
?>
==============================================
this is my register.php
<?php
$dbserver="127.0.0.1"; // Server to connect to, leave this unchanged
$dbuser="charmed_bhs"; // Username, change this to whatever you need
$dbpass="123"; // Same for pass
$db="charmed_bhs"; // Database name, u need to change this
// End settings
if($_POST['check']=="Register"){
mysql_connect($dbserver,$dbuser,$dbpass);
mysql_select_db($db);
$_SESSION['myuser']=$username;$_SESSION['mypass']=$password;$_SESSION['myemail']=$email;$_SESSION['myname']=$myname;$_SESSION['myage']=$age;$_SESSION['myhobbies']=$hobbies;
if (!$username) {echo "<font face=verdana size=2>You did not provide a username!<br></font>"; $signup="no";}
if (!$password) {echo "<font face=verdana size=2>You did not provide a password!<br></font>"; $signup="no";}
if (!$email) {echo "<font face=verdana size=2>You did not provide a email address!<br></font>"; $signup="no";}
if (!$name) {echo "<font face=verdana size=2>You did not enter your name!<br></font>"; $signup="no";}
if (!$age) {echo "<font face=verdana size=2>You did not enter your age!<br></font>"; $signup="no";}
if (!$hobbies) {echo "<font face=verdana size=2>You did not enter your hobbies!</font>"; $signup="no";}
if ($signup=="no"){echo "<font face=verdana size=2><br><br><--<a href=register.php>Go</a> back and try again</font>";}
else {
$query="SELECT * FROM users WHERE username='$username'";
$result=mysql_query($query); $num_rows = mysql_num_rows($result);
if ($num_rows!="0"){mysql_close(); echo "<br><center><font face=verdana size=2>User exists.<br><br>Please go [<a href=./register.php>back</a>] and try again</font></center>";}
else {
mysql_query("INSERT INTO users (Username,Password,Email,Name,Age,Sex,Hobbies) VALUES ( '$username','$password','$email','$name','$age','$sex','$hobbies')"); mysql_close();
echo "<br><br><center><font face=verdana size=2>Username '$username' has been successfully added to our member database.<br>Thank you for verifying as a member of BHS<br></font><br>";}}}
// Form code
else{
echo "<form action=register.php method=post><font face=verdana size=2>Username : </font><input type=text name=username value=$myuser><font face=verdana size=2><br>Password : </font><input type=password name=password value=$mypass><font face=verdana size=2><br>Email : </font><input type=text name=email value=$myemail><font face=verdana size=2><br>Name : </font><input type=text name=name value=$myname><font face=verdana size=2><br>Age : </font><input type=text name=age value=$myage><font face=verdana size=2><br>Sex : </font><select name=sex><option>Male</option><option>Female</option></select><font face=verdana size=2><br>Hobbies : </font><input type=text name=hobbies value=$myhobbies><br><br><input type=submit name=check value=Register><input type=reset value=Reset name=reset></form>";}
?>
<?php include "end.php"; ?>
