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_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

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_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

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 $(el){
	return typeof el == 'string' ? document.getElementById(el) : el;
}

/* class name */

function hasClassName(el, classname) {
	var el = $(el);
	if(el.className == null) return false;
	var list = el.className.split(/\s+/);
	for(var i = 0; i < list.length; i++)
		if (list[i] == classname)
			return true;
	return false;
}


function removeClassName(el, classname) {
	var el = $(el);
	if(el.className == null) return;
	var newList = [];
	var curList = el.className.split(/\s+/);

	for(var i = 0; i < curList.length; i++)
		if(curList[i] != classname)
			newList[newList.length] = curList[i];
			//newList.push(curList[i]);
	el.className = newList.join(" ");
}



/* --------------- Event Manager --------------- */

var EventManager = {};

EventManager.list = [];

EventManager.removeEvent = function( obj, event, listener, useCapture ){
	if(obj.removeEventListener){
		obj.removeEventListener( event, listener, useCapture ? true : false );
	} else if(obj.detachEvent){
		obj.detachEvent( "on"+event, listener );
	}
};

EventManager.addEvent = function( obj, event, listener, useCapture ){
	//EventManager.list.push(arguments);
	EventManager.list[EventManager.list.length] = arguments;
	if(obj.addEventListener){
		obj.addEventListener( event, listener, useCapture ? true : false );
	} else if(obj.attachEvent){
		obj.attachEvent( "on"+event, listener );
	} else {
		var exists = obj['on'+event];
		obj['on'+event] = (exists)?
			function(){
				exists();
				listener();
			} : function() {
				listener();
			};
	}
};

EventManager.addLoadEvent = function( listener ){
	EventManager.addEvent( window, "load", listener, false );
};



EventManager.addEvent(window, 'unload', EventManager.removeEvent);