gcolor">multiframe.bottom.bgcolor</a></span><span class="refpurpose"> - Background color for bottom navigation frame</span></dt><dt><span class="refentrytitle"><a href="#multiframe.navigation.height">multiframe.navigation.height</a></span><span class="refpurpose"> - Height of navigation frames</span></dt></dl></dd><dt><span class="reference"><a href="#d0e544">III. Graphics Parameters</a></span></dt><dd><dl><dt><span class="refentrytitle"><a href="#graphics.dir">graphics.dir</a></span><span class="refpurpose