rem: var iframe = btn._iframe; iframe.contentWindow.document.getElementById("uploadForm").submit(); 
add: btn._iframe.contentWindow.document.getElementById("uploadForm").submit(); 
context: function tw_FileChooser_submit(buttonId) {    var btn = tw_Component.instances[buttonId];    var iframe = btn._iframe;    iframe.contentWindow.document.getElementById("uploadForm").submit();}
meta: 5515	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5515/36038d59d63c56be99797b714f332c5faaabaaaa/Startup.js/clean/src/thinwire/render/web/resources/Startup.js