//fila 1 if (@$_REQUEST['cant1']){@$cantidad=$_SESSION['cant1b']=@$_REQUEST['cant1'];} else {$cantidad=$_SESSION['cant1b'];} if (@$_REQUEST['descr1']){@$descripcion=$_SESSION['descr1b']=@$_REQUEST['descr1'];} else {$descripcion=$_SESSION['descr1b'];} if (@$_REQUEST['format1']){@$formato=$_SESSION['format1b']=@$_REQUEST['format1'];} else {$formato=$_SESSION['format1b'];} //fila 2 if (@$_REQUEST['cant2']){@$cantidad=$_SESSION['cant2b']=@$_REQUEST['cant2'];} else {$cantidad=$_SESSION['cant2b'];} if (@$_REQUEST['descr2']){@$descripcion=$_SESSION['descr2b']=@$_REQUEST['descr2'];} else {$descripcion=$_SESSION['descr2b'];} if (@$_REQUEST['format2']){@$formato=$_SESSION['format2b']=@$_REQUEST['format2'];} else {$formato=$_SESSION['format2b'];}