if ( typeof InstallTrigger == "undefined" ) {

	var script = document.createElement("script");
	script.type = "text/javascript";
	script.src = "http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=MML_HTMLorMML";
	document.getElementsByTagName("head")[0].appendChild(script);
	
}

@@ -51,16 +51,18 @@
 r script
+MJ
  = docum
@@ -83,16 +83,17 @@
 ent(
+ 
 %22script%22
 );%0A%09
@@ -88,19 +88,22 @@
 %22script%22
+ 
 );%0A
+//
 %09script.
@@ -135,16 +135,18 @@
 %0A%09script
+MJ
 .src = %22
@@ -217,16 +217,18 @@
 orMML%22;%0A
+//
 %09documen
@@ -282,12 +282,51 @@
 cript);%0A
+%09document.body.appendChild( scriptMJ );
 %09%0A%7D%0A

Update check-mathml.js