dialogtester .CodeMirror { width: 100% !important; height: 100% !important; } Tree 1 Concept 1 Tree 1 Concept 2 Tree 2 Concept 3 Tree 2 Concept 4 Select Concept: Cancel Select from tree 1 Select from tree 2 When you click "Select from tree 1" you'll load an instance containing 2 concept elements with id 1 and 2 into instance('displaytree-navigation') and open a dialog When you click "Select from tree 2" you'll load another instance containing 2 concept elements with id 3 and 4 into instance('displaytree-navigation') and open a dialog Regardless of what instance is loaded: the dialog will continue to display whatever was under the button you clicked first after opening the form This is the same xf:select1/xf:itemset as is seen in the dialog, that may or may not match visually Select Concept: Accordeon Tester Accordeon initializes in open state and will not close Contents