/ items = ( "index.html")
position = ( 50%, 50%)
/ showborders = false
/ showscrollbars = false
/ valign = center
/ halign = center
/ position = (0, 0)
/ size = (100%, 100%)
</html>
<trial introhtml>
/ stimulusframes = [1=introhtml]
/ validresponse = (" ")
</trial>
<block introhtml>
/trials = [1=introhtml]
</block>