alert( "*** Hop Tree Error: `" + http.responseText + "'" ); 
hop_default_failure( http ); 
   var failure = function( http ) {      alert( "*** Hop Tree Error: `" + http.responseText + "'" );   }
4636	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4636/30004d51eeae15092c919e013162881ec7a30a41/hop-tree.js/clean/share/hop-tree.js