var frameState = 1; // 1=visible, 0=hidden

function toggleScrollFrame() {
   if (frameState == 1) {
      parent.document.all("fs1").all("fs2").cols="*,10";
      frameState = 0;
   } else {
      parent.document.all("fs1").all("fs2").cols="*,350";
      frameState = 1;
   }
}