rem: return this === res.handlers.site.getLayout(); 
add: return res.write(this.isActive()); 
context: Layout.prototype.active_macro = function() {   return this === res.handlers.site.getLayout();};
meta: 993	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/993/83da4c933b2bad9143c64c71f663a04406c91348/Layout.js/buggy/code/Layout/Layout.js