Adding a slider to my Header

Hi,

I’m new to this forum and PHP.

Trying to add the Nivo slider to my Header. Nivo says “Place this: <?php if (function_exists(‘nivoslider4wp_show’)) { nivoslider4wp_show(); } ?> in your templates”. I’m trying to add it to my Graphene 1.6.1 header but since I know very little about PHP (at present), I don’t know what line(s) of code to replace.

Can someone help this noob?

Thanks,

Greg