If mathematics has been added to a container element, you need to ask
MathJax to typset that mathematics once it is available.
This is done using
MathJax.Hub.Queue(["Typeset",MathJax.Hub]);or MathJax.Hub.Queue(["Typeset",MathJax.Hub,element]);where element is either a reference to a DOM element,
a string containing the ID of an element, or an array of these.
