4 <script type=
"text/javascript">
7 var tbody
= document
.getElementById("tbody");
8 var table
= tbody
.parentNode
;
9 table
.removeChild(tbody
);
10 document
.documentElement
.offsetHeight
;
11 table
.appendChild(tbody
);
16 <body onload=
"boom();">
20 <col style=
"visibility: collapse;"><col>