SysMgr.cleanupAccesslog ()
function deletes all accesslog-records older than 48 hours and with story-id = null

Sourcecode in SysMgr/cleanupFunctions.js:
1:   function cleanupAccesslog() {
2:   	var dbConn = getDBConnection("antville");
3:   	var dbError = dbConn.getLastError();
4:   	if (dbError) {
5:         this.syslogs.add (new SysLog("system", null, "failed to clean up accesslog-table!", null));
6:         return;
7:      }
8:      var threshold = new Date();
9:      threshold.setDate(threshold.getDate() -2);
10:  	var query = "delete from AV_ACCESSLOG where ACCESSLOG_F_TEXT is null and ACCESSLOG_DATE < '" + threshold.format("yyyy-MM-dd HH:mm:ss") + "'";
11:     var delRows = dbConn.executeCommand(query);
12:     if (delRows)
13:        this.syslogs.add (new SysLog("system", null, "removed " + delRows + " records from accesslog-table", null));
14:     return;
15:  }