not sure I can make it any more clear than the instructions to posted, but you need to rename "userplane_phpbb_plugin.php" to "userplane_link.php" and upload it to root/includes/
open overall_header
FIND
after, add
<BEGIN><script><!--function makecontent(){myWindow = window.open("", "Userplane_Chatlite_Medallion", "width=438,height=350,toolbar=0,directories=0,menubar=0,status=0,location=0,scrollbars=0,resizable=1");if ((myWindow.X == 1)&&(myWindow.closed == false)) {myWindow.X=0; myWindow.close(); myWindow = window.open("", "Userplane_Chatlite_Medallion", "width=438,height=350,toolbar=0,directories=0,menubar=0,status=0,location=0,scrollbars=0,resizable=1"); };myWindow.document.writeln("<body>");myWindow.document.writeln('{WCII_WELCOME}');myWindow.document.writeln('<script><!-- ');myWindow.document.writeln(' function up_submitForm(theForm) ');myWindow.document.writeln(' { ');myWindow.document.writeln(' myWindow = window.open("", "Userplane_Chatlite_AdminWindow", "width=738,height=550,toolbar=0,directories=0,menubar=0,status=0,location=0,scrollbars=0,resizable=1"); ');myWindow.document.writeln(' theForm.submit(); ');myWindow.document.writeln(' myWindow.focus(); ');myWindow.document.writeln(' } ');myWindow.document.writeln('--></script> ');myWindow.document.writeln('<form name="up_loginForm" action="http]
open, root/includes/page_header.php
find
[code] //// Login box?// [/code]
before, add
[code] include('userplane_link.php');