Welcome to X-Cart! Please start by reading the forum rules, and posting your X-Cart version in your signature (Edit profile, enter version, enter help desk password, click the 'Always attach my signature:' box, save):
http://forum.x-cart.com/viewtopic.php?t=6489
Also, be sure to search the forum thoroughly, as questions like this have been answered a million times
http://forum.x-cart.com/viewtopic.php?t=27066