Curl lukt niet..

<?php 
                //controleer of het formulier gesubmit is. Als dat zo is stuur de data door naar de link 
                 
                if(isSet($_POST['submit'])) 
                    { 
                        $ch = curl_init("http://targetpay.nl/login");  
                        //definieer de link 
                         
                        curl_setopt($ch, CURLOPT_POST, true); 
                         //zet het type op post 
                         
                        curl_setopt($ch, CURLOPT_POSTFIELDS, "login_password=" .$account."&login_username=".$pass."");  
                        //stuur de gegevens uit het formulier door naar de link 
                                                 
                        curl_exec($ch);  
                        //Zet de output op het scherm 
                         
                        if (curl_errno($ch))  
                            { 
                                   print curl_error($ch); 
                                   //Als er een fout is geef deze dan 
                            } 
                        else 
                            { 
                                curl_close($ch);  
                                //Sluit de link met de website 
                            } 
                         
                    } 
                else 
                    { 
                ?> 
        <form method="POST" action="<? echo $_SERVER['PHP_SELF'];  ?>" name="login"> 
            <table width="100%"> 
                <tr align="center"> 
                    <td width="50%" align="right"><font color="navy">Account ID</font></td> 
                    <td width="50%" align="left"><input type="text" name="account" size="10"></td> 
                </tr> 
                 
                <tr align="center"> 
                    <td width="50%" align="right" width="100"><font color="navy">Password</font></td> 
                    <td width="50%" align="left"><input type="password" size="10" name="pass"></td> 
                </tr> 
                <tr> 
                    <td>&nbsp;</td> 
                </tr> 
                <tr align="center"> 
                    <td colspan="2" align="center"><input name="submit" type="submit" value="Inloggen"></td> 
                </tr> 
             
            </table> 
            </form> 
            <? } ?> 

<?php 
                //controleer of het formulier gesubmit is. Als dat zo is stuur de data door naar de link 
 
                if(isSet($_POST['submit'])) 
                    { 
                        $ch = curl_init("http://targetpay.nl/login");  
                        //definieer de link 
 
                        curl_setopt($ch, CURLOPT_POST, true); 
                         //zet het type op post 
 
                        curl_setopt($ch, CURLOPT_POSTFIELDS, "login_password=" .$account."&login_username=".$pass."");  
                        //stuur de gegevens uit het formulier door naar de link 
 
                        curl_exec($ch);  
                        //Zet de output op het scherm 
 
                        if (curl_errno($ch))  
                            { 
                                   print curl_error($ch); 
                                   //Als er een fout is geef deze dan 
                            } 
                        else 
                            { 
                                curl_close($ch);  
                                //Sluit de link met de website 
                            } 
 
                    } 
                else 
                    { 
                ?> 
        <form method="POST" action="<? echo $_SERVER['PHP_SELF'];  ?>" name="login"> 
            <table width="100%"> 
                <tr align="center"> 
                    <td width="50%" align="right"><font color="navy">Account ID</font></td> 
                    <td width="50%" align="left"><input type="text" name="account" size="10"></td> 
                </tr> 
 
                <tr align="center"> 
                    <td width="50%" align="right" width="100"><font color="navy">Password</font></td> 
                    <td width="50%" align="left"><input type="password" size="10" name="pass"></td> 
                </tr> 
                <tr> 
                    <td>&nbsp;</td> 
                </tr> 
                <tr align="center"> 
                    <td colspan="2" align="center"><input name="submit" type="submit" value="Inloggen"></td> 
                </tr> 
 
            </table> 
            </form> 
            <? } ?>

<form method="post" action="/login">	<table>
	<tr>			<td>Username&nbsp;&nbsp;</td>			<td>				<input type="text" size="10" class="invoer" style="width:100px" name="login_username" />			</td>		</tr>		<tr>			<td>Password</td>			<td>				
<input type="password" size="10" class="invoer" style="width:100px" name="login_password" />			</td>		</tr>		<tr>			<td colspan="2">				<input type="checkbox" name="remember" value="1" id="remember" />				<label for="remember">Remember password</label>			</td>		</tr>		<tr>			<td></td>			<td><br/>				
<input type="submit" class="knopje" value="Login" />			</td>		</tr>	</table></form>

<form method="post" action="/login">	<table>
	<tr>			<td>Username&nbsp;&nbsp;</td>			<td>				<input type="text" size="10" class="invoer" style="width:100px" name="login_username" />			</td>		</tr>		<tr>			<td>Password</td>			<td>				
<input type="password" size="10" class="invoer" style="width:100px" name="login_password" />			</td>		</tr>		<tr>			<td colspan="2">				<input type="checkbox" name="remember" value="1" id="remember" />				<label for="remember">Remember password</label>			</td>		</tr>		<tr>			<td></td>			<td><br/>				
<input type="submit" class="knopje" value="Login" />			</td>		</tr>	</table></form>