syntax error, unexpected T_ELSE
<p>Can you see any reason why I would be getting an unexpected T_ELSE error? I must be blind..</p>

<pre><code>&lt;?php
//Check if form was submitted
if(isset($_POST['submit']))
{   
    //Form was submitted.
    if($_POST['paypalemail'] != '');
    {
        //An email was submitted.
    } 
    else
        {
            //There was nothing in the field. Tell them.
            echo "&lt;script language=\"javascript\"&gt;alert('The field was left empty. Please insert your PayPal email address and try again.');&lt;/script&gt;";
        }
} 
?&gt;
</code></pre>
