//functions
function expand(s)
{
  var td = s;
  var d = td.getElementsByTagName("div").item(0);

  td.className = "menuHover";
  d.className = "menuHover";
}

function collapse(s)
{
  var td = s;
  var d = td.getElementsByTagName("div").item(0);

  td.className = "menuNormal";
  d.className = "menuNormal";
}

//SwapImg(): performs roll-over / roll-out swaps
function SwapImg(ImgName, ImgSrc) {
	document.images[ImgName].src = ImgSrc;
}

//Called by OnMouseOver() / OnMouseOut() with this_state...
function OptMouseOverOut(this_option, this_state) {
	eval("document.images['" + this_option + "'].src = " + this_option + "_" + this_state + ".src;");
}