rem: try { if (selectedFolder) { uri = selectedFolder.getAttribute('id');  } } catch (ex) { uri = null; }  return uri; 
add: return null; 
context: function GetSelectedFolderURI(){	var uri = null;	var selectedFolder = null;	try {		var folderTree = GetFolderTree(); 		var selectedFolderList = folderTree.selectedItems;			//  you can only select one folder / server to add new folder / subscribe to		if (selectedFolderList.length == 1) {			selectedFolder = selectedFolderList[0];		}		else {			//dump("number of selected folder was " + selectedFolderList.length + "\n");		}	}	catch (ex) {		// dump("failed to get the selected folder\n");		uri = null;	}	try {       		if (selectedFolder) {			uri = selectedFolder.getAttribute('id');			// dump("folder to preselect: " + preselectedURI + "\n");		}	}	catch (ex) {		uri = null;	}	return uri;}
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