rem: var sel = this.mTree.selectedItems[0]; inspectObject(sel.__JSValue__); 
add: var sel = getSelectedItem(); if (sel) inspectObject(sel.__JSValue__); 
context:   cmdInspectInNewView: function()  {    var sel = this.mTree.selectedItems[0];    inspectObject(sel.__JSValue__);  },
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/b1feb4fe5f4c40136b8dd23982eef6d04d3171a1/jsObjectViewer.js/clean/extensions/inspector/resources/content/viewers/jsObject/jsObjectViewer.js