When submitted from IE gives me error
All fields marked with '*' are required to be filled up.
Please help as i tried to echo this out but still only same error?

PHP Code:
<?php

    
if (isset($_POST['buy_submit2'])) {
        
$seller_name $_POST['seller_name'];
        
$biz_type $_POST['biz_type'];
        
$budget ereg_replace("[^0-9]"""$_POST['budget']);
        
$location $_POST['location'];
        
$company_name $_POST['company_name'];
        
$address $_POST['address'];
        
$country $_POST['country'];
        
$phone ereg_replace("[^[:space:]+0-9]"""$_POST['phone']);
        
$email $_POST['email'];
        
$biz_owner $_POST['biz_owner'];
        
$what_type_of_biz $_POST['what_type_of_biz'];
        
$reference $_POST['reference'];
        
$cash_for_investment ereg_replace("[^0-9]"""$_POST['cash_for_investment']);
        
$time_frame ereg_replace("[^a-zA-Z0-9]"""$_POST['time_frame']);
        
$comment nl2br($_POST['comment']);
            if (
$seller_name == '' || $biz_type == '' || $budget == '' || $location == '' || $country == '' || $phone == '' || $email == '' || $biz_owner == '' || $cash_for_investment == '' || $time_frame == '' || $comment == '') {
                echo 
"All fields marked with '*' are required to be filled up.";
                echo 
'Seller name: '.$seller_name.'<br />';
                echo 
'Biz type: '.$biz_type.'<br />'
                echo 
'Budget: '.$budget.'<br />'
                echo 
'Location: '.$location.'<br />'
                echo 
'Company Name: '.$company_name.'<br />'
                echo 
'address: '.$address.'<br />'
                echo 
'country: '.$country.'<br />'
                echo 
'phone: '.$phone.'<br />'
                echo 
'email: '.$email.'<br />'
                echo 
'Biz owner: '.$biz_owner.'<br />'
                echo 
'what type of biz: '.$what_type_of_biz.'<br />'
                echo 
'reference: '.$reference.'<br />'
                echo 
'cach for investment: '.$cash_for_investment.'<br />';
                echo 
'time frame: '.$time_frame.'<br />';
                echo 
'comment: '.$comment.'<br />';
            } elseif (
$biz_owner == 'yes' && $what_type_of_biz == '') {
                  echo 
'Please fill up the type of your business.';
              } elseif (
$biz_owner == 'yes' && $reference == '') {
                    echo 
'Please fill up your business reference.';
                } elseif (!
eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$"$email)) {
                      echo 
'Email is not validate.';
                  } else {
                        
$query "INSERT into buy_biz (id, seller_name, biz_type, budget, location, company_name, address, country, phone, email, biz_owner, what_type_of_biz, reference, cash_for_investment, time_frame, comment) VALUES
                                 ('', '
$seller_name', '$biz_type', '$budget', '$location', '$company_name', '$address', '$country', '$phone', '$email', '$biz_owner', '$what_type_of_biz', '$reference', '$cash_for_investment', '$time_frame', '$comment')";
                        
mysql_query($query) or die("MySQL Error :" mysql_error());
                        echo 
'Thank you, we will get back to you as soon as possible.';
                    }
    } else {
      }
?>