Calling non standard servlet methods

How can we call the non standard servlet methods like OPTIONS, HEAD, TRACE, etc.? Like to call the GET method of the servlet located on server xyz from some HTML page, we write the HTML form as follows :
<form name="frmname" action="http://xyz.com/servlet/MyServlet" "method=get">
So what should we write to call the other methods?
Ankit.

You can't do it directly from HTML, you need to open a connection over HTTP and then send the appropriate HTTP request. Not all web servers support these methods.

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