var timer;
var nmenu=50;
var timeout=500;

function setImg(id,path){
	var obj=MM_findObj(id);
	if(obj) obj.src=path;	
}

function showMenu(id){
	if(timer) clearTimeout(timer);
	hideItems();
	if(document.all){
		obj=MM_findObj("sub"+id.toString());
	        if(obj) obj.style.visibility="visible";
	} else {
		obj=MM_findObj("sub"+id.toString());
		if(obj){
			if(document.getElementById){
				obj.style.visibility="visible";
			} else {
				obj.visibility="show";
			};
		}
	}
}

function hideMenu(){
	if(timer) clearTimeout(timer);
	timer=setTimeout(hideItems,timeout);	
}

function hideItems(){
	for(var cnt=1; cnt<=nmenu;cnt++){
		if(document.all){
			obj=MM_findObj("sub"+cnt.toString());
			if(obj)	obj.style.visibility="hidden";
		} else {
			obj=MM_findObj("sub"+cnt.toString());
			if(obj){
				if(document.getElementById){
					obj.style.visibility="hidden";
				} else {
					obj.visibility="hide";
				};
			}
		}
	};
}


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_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
