if( tree.iconclose ) tree.img_folder.src = tree.iconclose; 
if( tree.iconopen ) tree.img_folder.src = tree.iconopen; 
function hop_tree_open( tree ) {   if( !tree.populated || !tree.cachedp ) {      hop_tree_populate( tree );   }      tree.openp = true;      if( tree.last ) {      tree.img_join.src = tree.iconminus;   } else {      tree.img_join.src = tree.iconminusbottom;   }      if( tree.iconclose ) tree.img_folder.src = tree.iconclose;         node_style_set( tree.body, "display", "block" );}
4636	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4636/c7289d4b08347f65aaca3a51564029f237cd1449/hop-tree.js/buggy/share/hop-tree.js