alert( "*** Hop Tree Error: `" + http.responseText + "'" ); 
hop_default_failure( http ); 
function hop_tree_populate( tree ) {   var success = function( http ) {      tree.populated = true;            if( http.responseText != null ) {         /* cleanup the existing tree */         var children = tree.body.childNodes;         while( children.length > 0 ) {            tree.body.removeChild( children[ 0 ] );         }         eval( http.responseText );      }   }      var failure = function( http ) {      alert( "*** Hop Tree Error: `" + http.responseText + "'" );   }   return hop( tree.proc(), success, failure );}
4636	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4636/30004d51eeae15092c919e013162881ec7a30a41/hop-tree.js/clean/share/hop-tree.js