add: updateOKButton(); 
context: function updateDateDifference( datepicker ){   gDateDifference = ( datepicker.value.getTime() - document.getElementById( "start-date-picker" ).value.getTime() );}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/9bd5b4e5a5bf1fd0168b427b5845fcae11a8f9b8/eventDialog.js/buggy/calendar/resources/content/eventDialog.js