//Check for direct access
if(top.location.href.indexOf("navigate.pl") == -1)
{
	// Okay, direct.
	// Pull back directory (only 1), and filename (if present).
	var sPath = top.location.pathname;
	// Contains "/directory/filenae.html"
	// Split.
	var aArray = sPath.split("/");
	var sDir  = aArray[1];
	var sFile = aArray[2];
	// Redirect
	top.location.href = '/navigate.pl?section=' + escape(sDir) + '&subs=' + escape(sFile);
}