Sept 26th, 2005 (phppp)

1 Security fix according to Marijuana's report: /class/xoopseditor/koivi/dialogs.php 
  A. removed $_GET['url']
  B. added check on $_GET['skin']
2 Bugfix: 
  A. correction on including Xoops mainfile.php for dialogs.php; 
  B. added charset to dialogs.php output page;
3 Removed unncessary functions for dialogs.php: getMainfile, getLanguage