Why is the code below not working ?

[jd2007]

order.php

<?php
$error=$_GET["errora"];
echo $error;
$error2=$_GET["errorb"];
echo $error2;
echo "
<style>
#form
{
background-color:#CC99FF;
border-style:solid;
border-color:#660099;
}
#margin
{
margin-left: 30px;
}
#marginorder
{
margin-left: 60px;
margin-bottom: 20px;
}
</style>

<form id=form method=post action=ordering.php>
<h3 id=margin>Order A Cellphone</h3>
<label for=Name id=margin><b>Name:</b></label><input  type=text name=name /><br><br>
<label for=E-mail id=margin><b>E-mail:</b></label><input type=text name=email /><br><br>
<label for=Products id=margin><b>Products:</b></label><br>
<input id=margin type=checkbox name=hp1 /><label for=Nokia 3100><i>Nokia 3100</i></label><br> 
<input id=margin type=checkbox name=hp2 /><label for=Nokia 3300><i>Nokia 3300</i></label><br> 
<input id=margin type=checkbox name=hp3 /><label for=Nokia 390><i>Nokia 390</i></label><br> 
<input id=margin type=checkbox name=hp4 /><label for=Nokia 400><i>Nokia 400</i></label><br><br>
<label for=Comments id=margin><b>Comments:</b></label><br> 
<textarea id=margin name=comments rows=10 cols=20>
</textarea><br><br>
<input id=marginorder type=submit value=Order />
</form>";

?>

 

ordering.php

<?php
if($_POST["name"]&&$_POST["email"]&&$_POST["comments"]&&($_POST["hp1"]||$_POST["hp2"]||$_POST["hp3"]||$_POST["hp4"]))
{
if(ereg("^[a-zA-Z0-9\_\-\.]+@[a-zA-Z]+\.[a-zA-Z\.\-]+$",$_POST["email"]))
{
$_POST["hp1"] ? $x = 1 : $x = 0; 
$_POST["hp2"] ? $y = 1 : $y = 0;
$_POST["hp3"] ? $z = 1 : $z = 0;
$_POST["hp4"] ? $w = 1 : $w = 0;
$to=$_POST["email"];
$subject="Orders";
$message="$_POST[name] has ordered $x Nokia 3100, $y Nokia 3300, $z Nokia 390 and $w Nokia 400.";
mail($to, $subject, $message); 
}
else
{
$error2="<script>alert('Please enter a valid e-mail.');</script>";
header("location:order.php?errorb=$error2");
}
}
else
{
$error="<script>alert('Please make sure all fields are filled.');</script>";
header("location:order.php?errora=$error");
}
?>

 

everytime i click Order, nothing happens. only the url in the address bar changes from http://localhost/order.php to http://localhost/order.php?errora=%3Cscript%3Ealert('Please%20make%20sure%20all%20fields%20are%20filled.');%3C/script%3E

[DeadEvil]

 

 

<?php
echo $_GET["errora"];
echo $_GET["errorb"];

$content = "";
$content .= "<style>";
$content .= "#form { background-color:#CC99FF; border-style:solid; border-color:#660099; }";
$content .= "#margin { margin-left: 30px; }";
$content .= "#marginorder { margin-left: 60px; margin-bottom: 20px; }</style>";
echo $content;

$content2 = "";
$content2 = "<form id=\"form\" method=\"post\" action=\"ordering.php\">";
$content2 = "<h3 id=\"margin\">Order A Cellphone</h3>";
$content2 = "<label for=\"Name\" id=\"margin\"><b>Name:</b></label><input  type=\"text\" name=\"name\" /><br><br>";
$content2 = "<label for=\"E-mail\" id=\"margin\"><b>E-mail:</b></label><input type=\"text\" name=\"email\" /><br><br>";
$content2 = "<label for=\"Products\" id=\"margin\"><b>Products:</b></label><br>";
$content2 = "<input id=\"margin\" type=\"checkbox\" name=\"hp1\" /><label for=\"Nokia 3100\"><i>Nokia 3100</i></label><br>";
$content2 = "<input id=\"margin\" type=\"checkbox\" name=\"hp2\" /><label for=\"Nokia 3300\"><i>Nokia 3300</i></label><br> ";
$content2 = "<input id=\"margin\" type=\"checkbox\" name=\"hp3\" /><label for=\"Nokia 390\"><i>Nokia 390</i></label><br> ";
$content2 = "<input id=\"margin\" type=\"checkbox\" name=\"hp4\" /><label for=\"Nokia 400\"><i>Nokia 400</i></label><br><br>";
$content2 = "<label for=\"Comments\" id=\"margin\"><b>Comments:</b></label><br> ";
$content2 = "<textarea id=\"margin\" name=\"comments\" rows=\"10\" cols=\"20\"></textarea><br><br>";
$content2 = "<input id=\"marginorder\" type=\"submit\" value=\"Order\" name=\"Order\" />";
$content2 = "</form>";
echo $content2;
?>

<?php
if($_POST["Order"]) {
if(ereg("^[a-zA-Z0-9\_\-\.]+@[a-zA-Z]+\.[a-zA-Z\.\-]+$",$_POST["email"])) {
 $_POST["hp1"] ? $x = 1 : $x = 0; 
 $_POST["hp2"] ? $y = 1 : $y = 0;
 $_POST["hp3"] ? $z = 1 : $z = 0;
 $_POST["hp4"] ? $w = 1 : $w = 0;
 $to=$_POST["email"];
 $subject="Orders";
 $message="$_POST[name] has ordered $x Nokia 3100, $y Nokia 3300, $z Nokia 390 and $w Nokia 400.";
 mail($to, $subject, $message); 
}
else {
 $error2="<script>alert('Please enter a valid e-mail.');</script>";
 header("location:order.php?errorb=$error2");
}
}
else {
$error="<script>alert('Please make sure all fields are filled.');</script>";
header("location:order.php?errora=$error");
}
?>