0){ $sql="INSERT INTO tblcurrentuser(Username,Password) VALUES ('$_POST[username]','$_POST[password]')"; if (!mysql_query($sql,$con)) { die('Error: ' . mysql_error()); } include("main.php"); } else{ $query = "SELECT UserName,Password FROM tbl_users WHERE UserName = '".$_POST['username']."' AND Password ='".$_POST['password']."'"; $result = mysql_query($query); $count = mysql_num_rows($result); if($count==1){ $_SESSION['username'] =$_POST['username']; $_SESSION['password'] = $_POST['password']; header("location:main.php"); } else { echo ""; include("LogIn.php"); } } ?>