//************************************************
//*Base
//************************************************
function $(a)
{
	return typeof(a) == "string"?document.getElementById(a):a;
}
function $F(a)
{
	if(!$(a))return "";
	var tag = $(a).tagName.toUpperCase();
	if(tag=="INPUT"||tag=="TEXTAREA"||tag=="SELECT")
	{
		return $(a).value;
	}
	else
	{
		return $(a).innerHTML;
	}
}
function $T(o)
{
	if(arguments.length==1)
	{
		return $T(document,o);
	}
	if(!$(o))return null;
	return $(o).getElementsByTagName(arguments[1]);
}
//**********************************
//*dom
//**********************************
var Elem = {
	New:function(a,d,c,i)//新建element,a:类型,d:id,c:,className,i:innerHTML
	{
		var o = document.createElement(a);
		if(d)o.id = d;
		if(c)o.className = c;
		if(i)o.innerHTML = i;
		return o;
	},
	Add:function(o)//为o元素追加子元素,可一个传进多个子元素
	{
		if(arguments.length==1)
		{
			Elem.Add(document.body,o);
			return;
		}
		var o = $(o);
		if(!o)return;
		for (var i = 1; i < arguments.length; i++)
		{
			o.appendChild($(arguments[i]));
		}
		return o;
	},
	Del:function()//删除元素
	{
		for (var i = 0; i < arguments.length; i++)
		{
			if($(arguments[i]))
				$(arguments[i]).parentNode.removeChild($(arguments[i]));
		}
	},
	Hid:function()//隐藏
	{
		for (var i = 0; i < arguments.length; i++)
		{
			if($(arguments[i]))
				$(arguments[i]).style.display="none";
		}
	},
	Show:function()//显示
	{
		for (var i = 0; i < arguments.length; i++)
		{
			if($(arguments[i]))
				$(arguments[i]).style.display="block";
		}
	},
	Value:function(o,s)//赋值
	{
		s=s?s:"";
		if(!$(o))return;
		var tag = $(o).tagName.toUpperCase();
		if(tag=="INPUT"||tag=="TEXTAREA"||tag=="SELECT")
		{
			$(o).value = s;
		}
		else
		{
			$(o).innerHTML = s;
		}
	},
	Append:function(o,s)//追加内容
	{
		var tag = $(o).tagName.toUpperCase();
		if(tag=="INPUT"||tag=="TEXTAREA")
		{
			$(o).value += s;
		}
		else
		{
			$(o).innerHTML += s;
		}
	},
	Toggle:function()//原本显示则隐藏，反正也如此
	{
		for (var i = 0; i < arguments.length; i++)
		{
			if($(arguments[i]))
				$(arguments[i]).style.display=$(arguments[i]).style.display=="none"?"block":"none";
		}
	},
	Enable:function()//可用
	{
		for (var i = 0; i < arguments.length; i++)
		{
			$(arguments[i]).disabled="";
		}
	},
	Disable:function()//不可用
	{
		for (var i = 0; i < arguments.length; i++)
		{
			$(arguments[i]).disabled="disabled";
		}
	},
	Child:function(o)
	{
		return $(o).childNodes;
	},
	GetX:function(o,po)
	{
		for (var lx=0;o!=po;lx+=o.offsetLeft,o=o.offsetParent);
		return lx;
	},
	GetY:function(o,po)
	{
		for (var ly=0;o!=po;ly+=o.offsetTop,o=o.offsetParent);
		return ly;
	},
	Top:function()//屏幕可视范围离页面顶距离,放在这里是为了好管理
	{
		if(typeof(window.pageYOffset)!='undefined')
		{
			return window.pageYOffset;
		}
		else if(typeof(document.compatMode)!='undefined'&&document.compatMode!='BackCompat')
		{
			return document.documentElement.scrollTop;
		}
		else if(typeof(document.body)!='undefined')
		{
			return document.body.scrollTop;
		}
	},
	Left:function()//屏幕可视范围离左边距离
	{
		if(typeof(window.pageXOffset)!='undefined')
		{
			return window.pageXOffset;
		}
		else if(typeof(document.compatMode)!='undefined'&&document.compatMode!='BackCompat')
		{
			return document.documentElement.scrollLeft;
		}
		else if(typeof(document.body)!='undefined')
		{
			return document.body.scrollLeft;
		}
	},
	Width:function()//屏幕可视范围宽
	{
		if(typeof(document.compatMode)!='undefined'&&document.compatMode!='BackCompat')
		{
			return document.documentElement.clientWidth;
		}
		else if(typeof(document.body)!='undefined')
		{
			return document.body.clientWidth;
		}
	},
	Height:function()//屏幕可视范围高
	{
		if(typeof(document.compatMode)!='undefined'&&document.compatMode!='BackCompat')
		{
			return document.documentElement.clientHeight;
		}
		else if(typeof(document.body)!='undefined')
		{
			return document.body.clientHeight;
		}
	}
}
//*****************************************
//*Event
//*****************************************
var Evt = {
	NoBubble:function(e)
	{
		e&&e.stopPropagation?e.stopPropagation():event.cancelBubble=true;
	},
	Top:function(e)
	{
		return (e||event).clientY;
	},
	Left:function(e)
	{
		return (e||event).clientX;
	}
}
//******************************************
//*xml
//******************************************
var Xml = {
	First:function(o,key)//第一个节点值
	{
		return $T(o,key)[0]&&$T(o,key)[0].firstChild?$T(o,key)[0].firstChild.nodeValue:"";
	}
}
//******************************************
//other
//******************************************
var Other = {
	Even:function(n)//返回偶数
	{
		return parseInt((parseInt(n))/2)*2;
	},
	Break:function(o,len)//自动换行,用于ff
	{
		var strContent=$F(o);
		var strTemp="";
		while(strContent.length>len)
		{
			strTemp+=strContent.substr(0,len)+"&#10;";
			strContent=strContent.substr(len,strContent.length);
		}
		strTemp+="&#10;"+strContent;
		return strTemp;
	},
	Browser:function()
	{
		if(!!window.opera)
		{
			return "opera";
		}
		else if(navigator.userAgent.toLowerCase().indexOf("safari")>0)
		{
			return "safari";
		}
		else if(navigator.userAgent.toLowerCase().indexOf("gecko")>0)
		{
			return "firefox";
		}
		else
		{
			return "ie";
		}
	},
	GetCookie:function(key)
	{
		var search=key+"=";
		if(document.cookie.length>0)
		{
			var offset=document.cookie.indexOf(search);
			if(offset!=-1)
			{
				offset+=search.length;
				var end=document.cookie.indexOf(";",offset);
				if(end==-1)end=document.cookie.length;
				return unescape(document.cookie.substring(offset,end));
			}
			return "";
		}
		return "";
	},
	SetCookie:function(key,value)
	{
		var today=new Date();
		var expires=new Date();
		value = value.toString();
		expires.setTime(today.getTime()+1000*60*60*24*365);
		document.cookie=key+"="+value.escapeEx()+";path=/; expires="+expires.toGMTString();
	},
	TestCookie:function()
	{
		Other.SetCookie("test","");
		var t = "test";
		Other.SetCookie("test",t);
		return Other.GetCookie("test")==t;
	}
}

//******************************************
//String扩展
//******************************************
String.prototype.trim = function()
{
	var str = this;
	var m = str.match(/^\s*(\S+(\s+\S+)*)\s*$/);
	return (m == null) ? "" : m[1];
}
String.prototype.strip = function()
{
    return this.replace(/<\/?[^>]+>/gi, '').trim();
}
String.prototype.escapeHTML = function()
{
    var div = document.createElement('div');
    var text = document.createTextNode(this);
    div.appendChild(text);
    return div.innerHTML;
}
String.prototype.unescapeHTML = function()
{
    var div = document.createElement('div');
    div.innerHTML = this.stripTags();
    return div.childNodes[0].nodeValue;
}
String.prototype.escapeEx = function()
{
    return escape(this).replace(/\+/g,"%2b");
}
String.prototype.replaceAll = function(a,b)
{
	return this.replace(new RegExp(a.replace(/([\(\)\[\]\{\}\^\$\+\-\*\?\.\"\'\|\/\\])/g,"\\$1"),"g"),b);
}
String.prototype.indexOfEx = function()
{
	var bi = arguments[arguments.length - 1];
	var thisObj = this;
	var idx = 0;
	if(typeof(arguments[arguments.length - 2]) == 'number')
	{
		idx = arguments[arguments.length - 2];
		thisObj = this.substr(idx);
	}
	var re = new RegExp(arguments[0],bi?'i':'');
	var r = thisObj.match(re);
	return r==null?-1:r.index + idx;
}
String.prototype.padLeft = function(str,n)
{
	var result = this;
	if(this.length<n)
	for(var i=0;i<n-this.length;i++)
		result = str+result;
	return result;
}
String.prototype.len = function(str)
{
     var i,sum;
     sum=0;
     for(i=0;i<str.length;i++)
     {
         if ((str.charCodeAt(i)>=0) && (str.charCodeAt(i)<=255))
             sum=sum+1;
         else
             sum=sum+2;
     }
     return sum;
}

//******************************************
//Array扩展
//******************************************
Array.prototype.indexOf = function(obj)//返回一个对象在Array中的位置
{
    var result = -1;
    for(var i = 0; i < this.length; i++)
	{
        if(this[i] == obj)
		{
            result = i;
            break;
        }
    }
    return result;
}
Array.prototype.contains = function(obj)//检查一个对象是否包含在Array中
{
    return this.indexOf(obj) > -1;
}
Array.prototype.add = function(obj)//添加一个对象
{
    if(!(this.contains(obj)))
	{
        this[this.length] = obj;
    }
}
Array.prototype.remove = function(obj)//删除一个对象
{
    if(this.contains(obj))
	{
        var index = this.indexOf(obj);
        for(var i = index; i < this.length - 1; i++)
		{
            this[i] = this[i + 1];
        }
        this.length--;
    }
}
Array.prototype.clear = function()//清空数组
{
	this.splice(0,this.length);
}
Array.prototype.value = function(s,l)//设置默认值
{
	if(l)this.length=l;
	for(var i = 0; i < this.length; i++)
	{
		this[i] = s;
	}
}
//**********************************************************
//*StringBuilder
//**********************************************************
function StringBuilder()
{
	this._arr = new Array();
	this.add = function()
	{
		for(var i = 0;i<arguments.length;i++)
			this._arr.push(arguments[i]);
	}
	this.toString = function()
	{
		return this._arr.join("");
	}
}
//**********************************************************
//*Ajax
//**********************************************************
function Ajax()
{
	var _req = !!0;
	try{_req=new XMLHttpRequest;}catch(e){try {_req=new ActiveXObject("MSXML2.XMLHTTP");}catch(e2){try {_req=new ActiveXObject("Microsoft.XMLHTTP");}catch(e3){_req=false;}}}
	if (!_req) return;
	this.req = _req;
	this.send = function(_url,_content,_callback,_method,_isasync)
	{
		var Url      = _url||"";
		var Content  = _content||"";
		var Callback = _callback;
		var Method   = _method||"GET";
		var IsAsync  = _isasync==null?true:_isasync;
		_req.open (Method,Url,IsAsync);
		if(Method=="POST")_req.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
		_req.onreadystatechange = function()
		{
			if(_req.readyState==4&&Callback)
			{
				Callback(_req.status==200?_req:null);
			}
		};
		_req.send(Method=="POST"?Content:"");
	}
	this.get = function(_url,_callback)
	{
		this.send(_url,"",_callback,"GET");
	}
	this.post = function(_url,_content,_callback)
	{
		this.send(_url,_content,_callback,"POST");
	}
}