It stop working the front end

Jx Tools after installing without any problem, it stops working the front end of my joomla, I can do?

Hi,

can you enable error reporting and send us error message?

php version?

Can you describe your system, OS, database... some specifications?

We will try to reproduce your problem and help you.

Best regards,
Viljem

Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /var/www/vhosts/leosoft.es/httpdocs/plugins/content/displaygrid.php on line 35

Versión de PHP: 4.4.4
Servidor web: Apache/2.0.52 (CentOS)
Interfaz PHP del servidor: apache2handler
Versión de Joomla!: Joomla! 1.5.15 Stable

Hi,

problem is in php version. Can you move to php 5 ?

is provided by the hosting provider, I can not change.
Before buying I read the product specifications but said nothing that need PHP5.
There a solution?