minus = new Image(); minus.src="/images/area_minus.gif";
plus = new Image(); plus.src="/images/area_plus.gif";

var DHTML = (document.getElementById || document.all || document.layers);
function ap_getObj(name) {
 if (document.getElementById) {
  return document.getElementById(name).style;
 } else if (document.all) {
  return document.all[name].style;
 } else if (document.layers) {
  return document.layers[name];
 }
}

function mo_toggle(menu, img)
{

Menu = ap_getObj(menu);
Img = document.getElementById(img);

if (Menu.display == 'block')
{
	 Menu.display = 'none';  
	 Img.src = plus.src;
}
else
{
	Menu.display = 'block'; 
	Img.src = minus.src;
}
}