You can add EFFECTUS login form on your own site.

Login form parameters:

• Form action: [URL of your EFFECTUS platform]/user/login/
• Method: POST
• Login field name: login
• Password field name: password

<form action="http://login.yourdomain.com/user/login/" method="post" >
Login: <input type="text" name="login" value="" />
Password: <input type="password" name="password" value="" />
<input type="submit" /> 
</form>