<!-- <INPUT type="BUTTON" value="show sequent" id="showseq" ONCLICK="showSequent()">
<INPUT type="BUTTON" value="hide sequent" id="hideseq" ONCLICK="hideSequent()">
<INPUT type="BUTTON" value="selection test" id="hideseq" ONCLICK="test()"> -->
<!-- <INPUT type="BUTTON" value="show sequent" id="showseq" ONCLICK="showSequent()">
<INPUT type="BUTTON" value="hide sequent" id="hideseq" ONCLICK="hideSequent()">
<INPUT type="BUTTON" value="selection test" id="hideseq" ONCLICK="test()"> -->