function BBSMenu(){
	this.pid  = null;
	this.obj  = null;
	this.w	  = null;
	this.h	  = null;
	this.t	  = 0;
	this.menu = null;
	this.init();
}

BBSMenu.prototype = {

	init : function(){
		this.menu = document.createElement('div');
		document.body.insertBefore(this.menu,document.body.firstChild);
	},

	guide : function(){
		read.menu.innerHTML = '<div style="padding:13px 30px"><img src="'+imgpath+'loading.gif" align="absbottom" /> 正在加载数据...</div>';
		read.menu.className = 'menu';
		read.menupz(read.obj,1);
	},

	close : function(){
		read.t = setTimeout("closep();",100);
	},

	move : function(e){
		if(is_ie){
			document.body.onselectstart = function(){return false;}
		}
		var e  = is_ie ? window.event : e;
		var o  = read.menu;
		var x  = e.clientX;
		var y  = e.clientY;
		read.w = e.clientX - parseInt(o.offsetLeft);
		read.h = e.clientY - parseInt(o.offsetTop);
		document.onmousemove = read.moving;
		document.onmouseup   = read.moved;
	},

	moving : function(e){
		var e  = is_ie ? window.event : e;
		var x  = e.clientX;
		var y  = e.clientY;
		read.menu.style.left = x - read.w + 'px';
		read.menu.style.top  = y - read.h + 'px';
	},

	moved : function(){
		if(is_ie){
			document.body.onselectstart = function(){return true;}
		}
		document.onmousemove = '';
		document.onmouseup   = '';
	},

	open : function(idName,object,type,pz){
		clearTimeout(read.t);
		if (typeof type == "undefined") type = 1;
		if (typeof pz == "undefined") pz = 0;
		read.menu.innerHTML = getObj(idName).innerHTML;
		read.menu.className = getObj(idName).className;
		read.menupz(object,type,pz);
		if(type!=2){
			getObj(object).onmouseout = function(){
				read.close();
				getObj(object).onmouseout = '';
			}
			read.menu.onmouseout = read.close;
			read.menu.onmouseover = function(){
				clearTimeout(read.t);
			}
		}
	},

	menupz : function(obj,type,pz){
		read.menu.onmouseout = '';
		read.menu.style.display = '';
		read.menu.style.visibility = 'visible';
		read.menu.style.cssText = 'FILTER:Alpha(opacity=95);opacity:0.95;left:-500px;z-index:3000';
		if (typeof obj == 'string') {
			obj = getObj(obj);
		}
		if (obj == null) {
			read.menu.style.top  = (ietruebody().clientHeight - read.menu.offsetHeight)/2 + ietruebody().scrollTop + 'px';
			read.menu.style.left = (ietruebody().clientWidth - read.menu.offsetWidth)/2 + 'px';
		} else{
			var top  = findPosY(obj);
			var left = findPosX(obj);
			var pz_h = Math.floor(pz/10);
			var pz_w = pz % 10;
			
			if(pz_h!=1 && (pz_h==2 || top < ietruebody().clientHeight/2)){
				top += ietruebody().scrollTop + obj.offsetHeight;
			} else{
				top += ietruebody().scrollTop - read.menu.offsetHeight;
			}
			if(pz_w!=1 && (pz_w==2 || left > (ietruebody().clientWidth)*3/5)){
				left -= read.menu.offsetWidth - obj.offsetWidth;
			}
			read.menu.style.top  = top  + 'px';
			read.menu.style.left = left + 'px';
		}
	},

	InitMenu : function(){
		function setopen(a,b){
			if(getObj(a)){
				getObj(a).onmouseover = function(){read.open(b,a);}
			}
		}
		for(var i in openmenu)
			setopen(i,openmenu[i]);
	},

	IsShow : function() {
		return (read.menu.hasChildNodes() && read.menu.style.display!='none') ? true : false;
	}
}

var read = new BBSMenu();

function closep(){
	read.menu.style.display = 'none';
}

function findPosX(obj){
	var curleft = 0;
	if(obj.offsetParent){
		while(obj.offsetParent){
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	} else if(obj.x){
		curleft += obj.x;
	}
	return curleft - ietruebody().scrollLeft;
}

function findPosY(obj){
	var curtop = 0;
	if(obj.offsetParent){
		while(obj.offsetParent){
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	} else if(obj.y){
		curtop += obj.y;
	}
	return curtop - ietruebody().scrollTop;
}

function in_array(str,a){
	for(var i=0;i<a.length;i++){
		if(str == a[i])	return true;
	}
	return false;
}

function loadjs(path){
	var header = document.getElementsByTagName("head")[0];
	var s = document.createElement("script");
	s.src = path;
	header.appendChild(s);
}

function keyCodes(e){
	if(read.menu.style.display == '' && e.keyCode==27){
		read.close();
	}
}

function opencode(menu,td) {
	if (read.IsShow() && read.menu.firstChild.id == 'ckcode') return;
	read.open(menu,td,2,11);
	getObj('ckcode').src = 'ck.aspx?nowtime=' + new Date().getTime();
	document.onclick = function(e){
		var o = is_ie ? window.event.srcElement : e.target;
		if (o == td) {
			return;
		} else if (o.id == 'ckcode') {
			getObj('ckcode').src = 'ck.aspx?nowtime=' + new Date().getTime();
		} else {
			closep();
			document.onclick = '';
		}
	}
}
