JFBLogin - When installed I loose my site????

<?php

defined('_JEXEC') or die('Restricted access');

JFBConnectFacebookHelper&#58;&#58;init();

if ($formType == "login")
{
	if ($params->get('showLoginForm'))
	{ ?>
		<form action="<?php echo JRoute&#58;&#58;_(JURI&#58;&#58;root()); ?>" method="post" name="login" id="form-login" >
			<fieldset class="input">
			<div id="form-login-username">
				<label for="modlgn_username"><?php echo JText&#58;&#58;_('Username') ?></label><br />
				<input id="modlgn_username" type="text" name="username" class="inputbox" alt="username" size="18" />
			</div>
			<div id="form-login-password">
				<label for="modlgn_passwd"><?php echo JText&#58;&#58;_('Password') ?></label><br />
				<input id="modlgn_passwd" type="password" name="passwd" class="inputbox" size="18" alt="password" />
			</div>
			<input type="submit" name="Submit" class="button" value="<?php echo JText&#58;&#58;_('LOGIN') ?>" />
			</fieldset>

			<input type="hidden" name="option" value="com_user" />
			<input type="hidden" name="task" value="login" />
			<input type="hidden" name="return" value="<?php echo $jLoginUrl; ?>" />
			<?php echo JHTML&#58;&#58;_( 'form.token' ); ?>
		</form>
<?php }
	echo JText&#58;&#58;_('Login using Facebook'); ?></a>
	<fb&#58;login-button onlogin="javascript&#058;fb_login_button_click();"></fb&#58;login-button>
	<ul>  
		<?php
		$usersConfig = &JComponentHelper&#58;&#58;getParams( 'com_users' );
		if ($params->get('showRegisterLink')) { ?>
			<li>
				<a href="<?php echo $registerLink ?>">
				<?php echo JText&#58;&#58;_('Register For This Site'); ?></a>
			</li>
		<?php }
		if ($params->get('register_type') == "communitybuilder" && ($params->get('showForgotUsername') || $params->get('showForgotPassword')))
		{ ?>
				<li>
					<a href="<?php echo $forgotLink ?>">
					<?php echo JText&#58;&#58;_('Forgot Login?'); ?></a>
				</li>
		<?php }
		else
		{
	  		if ($params->get('showForgotUsername')) { ?>
				<li>
					<a href="<?php echo $forgotUsernameLink ?>">
					<?php echo JText&#58;&#58;_('Forgot Username?'); ?></a>
				</li>
			<?php }
			if ($params->get('showForgotPassword')) { ?>
				<li>
					<a href="<?php echo $forgotPasswordLink ?>">
					<?php echo JText&#58;&#58;_('Forgot Password?'); ?></a>
				</li>
			<?php }
		}
	?>

</ul>


<? } ###################### end login form #####################################
else
{	# show logout
?>
	<?php
	# Show their FB avatar (if desired), or give them the option to link accounts
	if ($fbClient->user)
	{
		if($params->get("enableProfilePic")) 
		{ 
			$picHeightParam = $params->get("profileHeight");
			$picWidthParam = $params->get("profileWidth");
			$picHeight = $picHeightParam != "" ? 'height="'.$picHeightParam.'px"' &#58; "";
			$picWidth = $picWidthParam != "" ? 'width="'.$picWidthParam.'px"' &#58; "";
			$linked = ($params->get("linkProfile") == 1)?"true"&#58;"false";
			$fbLogo = ($params->get("facebookLogo") == 1)?"true"&#58;"false"; 
			$fbUid = $fbClient->user;
			?>
			<div id="profile-pic">
				<fb&#58;profile-pic uid="<?php echo $fbUid;?>"
					size="<?php echo $params->get('picQuality'); ?>"
					<?php echo $picHeight;?>
					<?php echo $picWidth;?>
					linked="<?php echo $linked;?>" 
					facebook-logo="<?php echo $fbLogo;?>"
				/>
			</div>
	<?php 
		}
	} 
	?>
	<div>
	<?php echo JText&#58;&#58;_("Welcome")." ".$user->get('name') ?>
	</div>
	<input type="submit" name="Submit" class="button" value="<?php echo JText&#58;&#58;_('Logout') ?>" onclick="javascript&#058;logout_button_click()" />
	<?php
	if (!$fbClient->user) # show facebook connect button to join accounts
	{ ?>
		<div class="fb_connect_user"><?php echo JText&#58;&#58;_('Connect User'); ?></div>	
		<fb&#58;login-button onlogin="javascript&#058;fb_login_button_click();"></fb&#58;login-button>
	<?php }
	?>

<?
} # end logout

?>