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; }
}

function toggle(objHide, objShow){
		Element.hide(document.getElementById(objHide));
		Element.show(document.getElementById(objShow));
}

var main_nav_timer;

function setTimer(func, msec){
	clearTimeout(main_nav_timer);
	main_nav_timer = setTimeout(func,msec);
}

function clearTimer(){
	clearTimeout(main_nav_timer);
}

var popupHandle;

function closePopup(){		
	if (popupHandle != null && !popupHandle.closed) {
		popupHandle.close();		
	}
}

function openWindow(theURL,winName,features) { //v2.0
	closePopup();
 	popupHandle=open(theURL,winName,features);
}

function confirmDelete(question) {
	var agree=confirm(question);
	if (agree) return true ;
	else return false ;
}