(function (){ 
$.fn.khanscript = function (problem){ 
return this.find("script[type='text/khanscript']").each(function (){ 
var code = $(this).text(); 
code = "(function() {" + code + "})()"; 
$.tmpl.getVAR(code); 
} 
).end(); 
} 
; 
} 
)();