diff --git a/mozilla/layout/html/tests/table/interactive/bug40721.html b/mozilla/layout/html/tests/table/interactive/bug40721.html
new file mode 100644
index 00000000000..69781872828
--- /dev/null
+++ b/mozilla/layout/html/tests/table/interactive/bug40721.html
@@ -0,0 +1,21 @@
+<script>
+function toggle( ID ){
+target= document.getElementById(ID);
+if (target.style.visibility == "collapse"){
+   target.style.visibility = "visible";
+}
+else{
+   target.style.visibility="collapse";
+}
+}
+</script>
+
+<table border=1>
+<tr><td>
+
+<input type="button" value="Click" onClick="toggle('row')">
+<table border=1>
+<tr id="row"><td>Hello
+</table>
+
+</table>
diff --git a/mozilla/layout/html/tests/table/interactive/bug43732.html b/mozilla/layout/html/tests/table/interactive/bug43732.html
new file mode 100644
index 00000000000..c1ef61127d8
--- /dev/null
+++ b/mozilla/layout/html/tests/table/interactive/bug43732.html
@@ -0,0 +1,17 @@
+<TABLE style="border: 1px solid black"  WIDTH="100%">
+ <TR>
+  <TD>foo foo foo foo</TD>
+  <TD width=40>
+   <TABLE style="border: 1px solid red" WIDTH="100%" CELLSPACING="0" CELLPADDING="3">        
+    <TR>
+     <TD width=45%>
+      Your First Name
+     </TD>
+     <TD>
+      <INPUT TYPE=TEXT NAME="1" SIZE="15" MAXLENGTH="30" VALUE="">&nbsp;<BR></FONT>
+     </TD>
+    </TR>
+   </TABLE>
+  </TD>
+ </TR>
+</TABLE>