rseInt($elem.css("left"), 10),
        //         positionY: parseInt($elem.css("top"), 10),
        //         type:$elem.data('type')
        //     }
        //     ojson.shell.push(param)
        // });

        $.each(jsPlumb.getConnections(), function (idx, connection) {
            var param={
                connectionId: connection.id,
                pageSourceId: connection.sourceId,
                pageTargetId: connection.targetId
            };
            ojson.line.push(param)
        });
  