function expand(s, m){
   var browser = window.navigator.appName;
   var dif = 0;
   if (browser != 'Microsoft Internet Explorer') { dif = 0; }

   var d = document.getElementById(m);
   var td = document.getElementById(s);
   var left = td.offsetLeft;
   var top = td.offsetTop + 125;
   var width = td.offsetWidth - dif;

   d.style.top = top;
   d.style.left = left;
   d.style.width = width;
   d.style.position = 'absolute';
   d.style.display = 'block';
}

function collapse(s, m){
   var d = document.getElementById(m);
   var td = document.getElementById(s);

   d.style.position = 'static';
   d.style.display = 'none';
}

function collapseAll(){
   var menuDiv = document.getElementById('menu');
   var divs = menuDiv.getElementsByTagName('div');
   var div;

   for (i = 0; i < divs.length; i++)
   {
      div = divs[i];
      div.style.display = 'none';
   }
}