var bV=parseInt(navigator.appVersion);
	NS4=(document.layers) ? true : false;
	IE4=((document.all)&&(bV>=4))? true : false;
	ver4 = (NS4 || IE4) ? true : false;
	function expandIt(){return}
	function expandIt(el,im) {
	im1="ar_d.gif";
	im2="ar_r.gif";

	if (!ver4) return;
	if (IE4) 
  {
		dropmenu=eval(el);
		image=eval('document.'+im);
	 		   	if (dropmenu.style.display == "block") {
            dropmenu.style.display = "none";
			image.src=im1;
  }
         	else {
           	dropmenu.style.display = "block";
			image.src=im2;
   }}}