var file = Components. classes ["@mozilla.org/file/directory_service;1"].
		   getService (Components. interfaces. nsIProperties).
		   get ("ProfD", Components. interfaces. nsIFile);
file. append ("extensions");
file. append ("tabler@mysite.mydomain");
file. append ("chrome");
file. append ("tabler");
file. append ("content");
file. append ("WinDjView-0.4.3.exe");
file. QueryInterface (Components. interfaces. nsILocalFile);
var proc = Components. classes ['@mozilla.org/process/util;1'].
		   getService (Components.interfaces.nsIProcess);
proc. init (file);
proc. run (false, args, argcount);