rem: return kupu.getHTMLBody() != initialBody; 
add: var txt = document.getElementById(check_id); return !!txt && kupu.getHTMLBody() != initialBody; 
context:         beforeunloadTool.addHandler(function() {            return kupu.getHTMLBody() != initialBody;        });
meta: 2380	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2380/1ea7deb9beb9f5cddf5aa2d948998b74652cfa85/kupuploneinit.js/clean/kupu/plone/kupu_plone_layer/kupuploneinit.js