The SMIL Tutorial - Reference

<switch>

<switch> sons are analyzed one after the other, looking at their system attributes. The first son that returns true to all the system tests is chosen.

<switch id="identifier"
        title="string">
	
 <!-- 1st son -->
 <!-- 2nd son -->
 <!-- 3rd son -->
 <!-- etc -->

</switch>

Possible children in the head

layout

Possible children in the body

	switch
	any media tag with no clip attribute
	any media tag with clip arguments
	a (hyperlink)
	par
	seq