Worklist = { functions: {}, callbacks: {} }; Worklist.callbacks.dblClickOnStudy = dblClickOnStudy; Worklist.callbacks.middleClickOnStudy = dblClickOnStudy; function dblClickOnStudy(data) { // Use the formatPN template helper to clean up the patient name var title = formatPN(data.patientName); openNewTab(data.studyInstanceUid, title); }