How to check email from homepage

[saraa]

Hi all I want to make a login form so that staff can check their email..but i dont know how to do that..I have two textfields which username (staff email)and password then one button Submit but i dont know how its coding..where can i get the codes..Please tell me how to do that.

Here is my codes..please i need it urgently.

<form name="form1" method="post" action="http://www.abc.com/squirrelmail/src/redirect.php">
<table align="center">

    <tr>
        <td>Username</td>
        <td>:</td>
        <td><input type="text" name="login_username" size="25"></td>
    
    </tr>
    <tr>
        <td>Password</td>
        <td>:</td>
        <td><input type="password" name="secretkey" size="25"></td>    
    </tr>
    <tr>
      <td colspan="7" align="center"><input type="submit" name="submit" value="Login">       
</td>
    
    </tr>


</table>
</form> 

Thanks in advance