Reformat benchamrk function.

speed/benchmark.js

@@ -1 +1,9 @@
-// Runs a function many times without the function call overhead
+// Runs a function many times without the function call overhead
+function benchmark(fn, times){
+	fn = fn.toString();
+	var s = fn.indexOf('{')+1,
+		e = fn.lastIndexOf('}');
+	fn = fn.substring(s,e);
+	
+	return new Function('i','var t=new Date;while(i--){'+fn+'};return new Date-t')(times);
+}