var lastobj = null;
function showdiv(obj){
	var oldobj = obj;
	if(!obj){
		if(lastobj)lastobj.style.display = 'none';
		return;
	}
	
	var divname = obj.childmenu
	var obj = document.all(divname);
	if(obj){
		if(lastobj)	lastobj.style.display = 'none';
		obj.style.display = '';
		lastobj = obj;
	}
}
function checkRange(obj){
	var toObj = event.toElement;
	if(toObj&&toObj.childmenu==obj.id)return;
	while(toObj){
		if(toObj==obj)
			return
		toObj = toObj.parentElement;
	};
	showdiv(null)
}
function checkRangeA(obj){
	var toObj = event.toElement;
	while(toObj){
		if(toObj==document.all(obj.childmenu))
			return;
		toObj = toObj.parentElement;
	}
	showdiv(null);
}

function MM_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}

function MM_showHideLayers() { //v3.0
  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; }
}