int initRecord = (strInitRecord.equals("")?0:Integer.parseInt(strInitRecord));
if (initRecord==0) initRecord=1;
initRecord += intRecordRange;
strInitRecord = ((initRecord<0)?"0":Integer.toString(initRecord));
vars.setSessionValue(tabId + "|Lines.initRecordNumber", strInitRecord);
vars.removeSessionValue(windowId + "|M_Internal_Consumptionline_ID");
vars.setSessionValue(windowId + "|M_Internal_Consumption_ID", strPM_Internal_Consumption_ID);
response.sendRedirect(strDireccion + request.getServletPath() + "?Command=RELATION");
} else if (vars.commandIn("FIRST")) {
String strPM_Internal_Consumption_ID = vars.getGlobalVariable("inpmInternalConsumptionId", windowId + "|M_Internal_Consumption_ID");