rem: var login_form = withDocument( this.document, function () { return getElement( "login_form" ); } ); 
add: connect( signup_button, "onclick", function ( event ) { signal( self, "submit_form", "/users/signup", signup_form ); event.stop(); } ); 
context:     var login_form = withDocument( this.document, function () { return getElement( "login_form" ); } );
meta: 4711	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4711/d9b36fa6134c93427458923bf9df83cb3520f599/Editor.js/clean/static/js/Editor.js