function mm_findObj(n, d) { //v4.01
   var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
       d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
   if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
   for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=mm_findObj(n,d.layers[i].document);
   if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function mm_showHideLayers() { //v6.0
   var i,p,v,obj,args=mm_showHideLayers.arguments;
   for (i=0; i<(args.length-2); i+=3) if ((obj=mm_findObj(args[i]))!=null) { v=args[i+2];
      if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
      obj.visibility=v; }
}

/* -- Delayed hide-nav sequence -- */

var doHide = false;
var timeoutObj;
function delayedHideNav() {
   doHide = true;
   timeoutObj = setTimeout("doHideNav();",100);
}

function doHideNav() {
   if (doHide) {
      mm_showHideLayers('FirmDrop','','hide'); 
      mm_showHideLayers('expertiseDrop','','hide');
   }
}

function cancelHideNav() {
   doHide = false;
   clearTimeout(timeoutObj) // cancels cycling timeouts to prevent time overlap
}