var sPath = "com.xxxxxx.is.ti.TimeMgmt.";

document.frm_Timesheet.From.value = sFrom;
document.frm_Timesheet.Source.value = sFrom;    
document.frm_Timesheet.Saveflg.value = sSave;
document.frm_Timesheet.action= sPath + "TimesheetServlet";