function expand(s)
{
  var td = s;
  var d = td.getElementsByTagName("div").item(0);
	  td.className = "var";
  	d.className = "menuHover";
}
function expandSubmenu(s)
{
  var td = s;
  var d = td.getElementsByTagName("div").item(0);
  d.className = "menuSubHover";
}
function collapseSubmenu(s){
	var td = s;
  var d = td.getElementsByTagName("div").item(0);
   d.className = "menuSubNormal";
}
function collapse(s)
{
  var td = s;
  var d = td.getElementsByTagName("div").item(0);
  td.className = "var";
  d.className = "menuNormal";
}