can't install zenphoto - pls help

palante

i've been trying unsuccessfully to load zenphoto.

i keep getting this error
Parse error: parse error, unexpected $ in /home/content/p/a/l/palante/html/zenphoto/zen/auth_zp.php on line 207

line 207 is the closing tag

?>

here's the preceeding code

function zp_loggedin() {
global $_zp_loggedin;
return $_zp_loggedin;
}

i'm using godaddy. thanks