rem: if( SelectedItem ) 
add: if ( SelectedItem ) 
context: function removeSelectedExceptionDate(){    var exceptionsListbox = document.getElementById( "exception-dates-listbox" );    var SelectedItem = exceptionsListbox.selectedItem;    if( SelectedItem )        exceptionsListbox.removeChild( SelectedItem );}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/e1f5e420817ca9cf29dafabdbab36734bd3cc925/eventDialog.js/buggy/calendar/resources/content/eventDialog.js