var $ = function (id) {
	return "string" == typeof id ? document.getElementById(id) : id;
};

var Extend = function(destination, source) {
	for (var property in source) {
		destination[property] = source[property];
	}
	return destination;
}

var CurrentStyle = function(element){
	return element.currentStyle || document.defaultView.getComputedStyle(element, null);
}

var Bind = function(object, fun) {
	var args = Array.prototype.slice.call(arguments).slice(2);
	return function() {
		return fun.apply(object, args.concat(Array.prototype.slice.call(arguments)));
	}
}

var Tween = {
	Quart: {
		easeOut: function(t,b,c,d){
			return -c * ((t=t/d-1)*t*t*t - 1) + b;
		}
	},
	Back: {
		easeOut: function(t,b,c,d,s){
			if (s == undefined) s = 1.70158;
			return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
		}
	},
	Bounce: {
		easeOut: function(t,b,c,d){
			if ((t/=d) < (1/2.75)) {
				return c*(7.5625*t*t) + b;
			} else if (t < (2/2.75)) {
				return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
			} else if (t < (2.5/2.75)) {
				return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
			} else {
				return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
			}
		}
	}
}


//容器对象,滑动对象,切换数量
var SlideTrans = function(container, slider, count, options) {
	this._slider = $(slider);
	this._container = $(container);//容器对象
	this._timer = null;//定时器
	this._count = Math.abs(count);//切换数量
	this._target = 0;//目标值
	this._t = this._b = this._c = 0;//tween参数
	
	this.Index = 0;//当前索引
	
	this.SetOptions(options);
	
	this.Auto = !!this.options.Auto;
	this.Duration = Math.abs(this.options.Duration);
	this.Time = Math.abs(this.options.Time);
	this.Pause = Math.abs(this.options.Pause);
	this.Tween = this.options.Tween;
	this.onStart = this.options.onStart;
	this.onFinish = this.options.onFinish;
	
	var bVertical = !!this.options.Vertical;
	this._css = bVertical ? "top" : "left";//方向
	
	//样式设置
	var p = CurrentStyle(this._container).position;
	p == "relative" || p == "absolute" || (this._container.style.position = "relative");
	this._container.style.overflow = "hidden";
	this._slider.style.position = "absolute";
	
	this.Change = this.options.Change ? this.options.Change :
		this._slider[bVertical ? "offsetHeight" : "offsetWidth"] / this._count;
};
SlideTrans.prototype = {
  //设置默认属性
  SetOptions: function(options) {
	this.options = {//默认值
		Vertical:	true,//是否垂直方向（方向不能改）
		Auto:		true,//是否自动
		Change:		0,//改变量
		Duration:	50,//滑动持续时间
		Time:		10,//滑动延时
		Pause:		2000,//停顿时间(Auto为true时有效)
		onStart:	function(){},//开始转换时执行
		onFinish:	function(){},//完成转换时执行
		Tween:		Tween.Quart.easeOut//tween算子
	};
	Extend(this.options, options || {});
  },
  //开始切换
  Run: function(index) {
	//修正index
	index == undefined && (index = this.Index);
	index < 0 && (index = this._count - 1) || index >= this._count && (index = 0);
	//设置参数
	this._target = -Math.abs(this.Change) * (this.Index = index);
	this._t = 0;
	this._b = parseInt(CurrentStyle(this._slider)[this.options.Vertical ? "top" : "left"]);
	this._c = this._target - this._b;
	
	this.onStart();
	this.Move();
  },
  //移动
  Move: function() {
	clearTimeout(this._timer);
	//未到达目标继续移动否则进行下一次滑动
	if (this._c && this._t < this.Duration) {
		this.MoveTo(Math.round(this.Tween(this._t++, this._b, this._c, this.Duration)));
		this._timer = setTimeout(Bind(this, this.Move), this.Time);
	}else{
		this.MoveTo(this._target);
		this.Auto && (this._timer = setTimeout(Bind(this, this.Next), this.Pause));
	}
  },
  //移动到
  MoveTo: function(i) {
	this._slider.style[this._css] = i + "px";
  },
  //下一个
  Next: function() {
	this.Run(++this.Index);
  },
  //上一个
  Previous: function() {
	this.Run(--this.Index);
  },
  //停止
  Stop: function() {
	clearTimeout(this._timer); this.MoveTo(this._target);
  }
};

var regemail=/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;
function vemail(m)
{  
    if(m=="")
    {
       alert('注册邮箱不能为空!');
       
       return false;
    }
   if(!regemail.test(m))
   {
      alert("注册邮箱格式不正确!");
      
      return false;
   }
   if (m.length>30)
   {
      alert('注册邮箱长度不能大于30!');
      
      return false;
   }
   
    var w=new WebServiceAjax("webs/Doc_info.asmx");
    var v=w.RequestGet("VEmail",["email="+m],false,null,null,"http://tempuri.org",null);
    var temp=document.createElement("li");
    temp.innerHTML=v;
    v=temp.innerText;
    delete temp;
    if (v==0)
    {
        alert('邮箱:'+m+'已有人注册!');
        
        return false;
    }
   
   return true;
}

var reg=/^[a-zA-Z0-9_]+$/;    
function vusername(str)
{
    if(str.length==0)
    {
        alert('注册用户名不能为空!');
        return false;    
    }
    if(!reg.test(str))
    {    
        alert("对不起，您输入的用户名格式不正确!只支持字母和数字组合");
        return false;
    }
    if (str.length<4)
    {
        alert("用户名不能小于4个字符!");
        return false;
    }
    if (str.length>20)
    {
        alert("用户名不能大于20个字符");
        return false;
    } 
    
    var w=new WebServiceAjax("webs/Doc_info.asmx");
    var v=w.RequestGet("VUserName",["userName="+str],false,null,null,"http://tempuri.org",null);
    var temp=document.createElement("li");
    temp.innerHTML=v;
    v=temp.innerText;
    delete temp;
    if (v==0)
    {
        alert('用户名:'+str+'已有人注册!');
        return false;
    }
    
    return true;   
   
}

function vpwd(str)
{
    if(str.length==0)
    {
        alert('注册密码不能为空!');
        return false;    
    }       
    if(!reg.test(str))
    {    
        alert("对不起，您输入的密码格式不正确!只支持字母和数字组合");
        return false;
    }
    if (str.length<6)
    {
        alert("密码不能小于6个字符!");
        return false;
    }
    if (str.length>20)
    {
        alert("密码不能大于20个字符");
        return false;
    }
    return true;   
    
}

function confimpwd(str,str1)
{
    if(str!=str1)
    {
        alert('两次输入的密码不一致!');
        return false;    
    }       
    
    return true;   
    
}

function onlogin(userName,PassWord)
{   if(userName==""||PassWord=="")
    {
        alert('用户名密码不能为空!');
        return;
    }
    
    var w=new WebServiceAjax("webs/Doc_info.asmx");
    var v=w.RequestGet("loginWeb",["name="+userName,"pwd="+escape(PassWord)],false,null,null,"http://tempuri.org",null);
    var dts=document.createElement("li");
    dts.innerHTML=v;
    v=dts.innerText;
    delete dts;

    if(v!=1)
     alert("用户名密码错误");
     else
     document.location="myIndex.html";

}

function regin(userName,PassWord,email)
{
    if (!(vusername(userName)&&vpwd(PassWord)&&vemail(email)))
    {
        return false;
    }
    var w=new WebServiceAjax("webs/Doc_info.asmx");
    var v=w.RequestGet("Reguser",["userName="+userName,"pwd="+PassWord,"email="+email],false,null,null,"http://tempuri.org",null);
    var dts=document.createElement("li");
    dts.innerHTML=v;
    v=dts.innerText;
    delete dts;
    
    if(v==0)
    {
       alert("注册失败,请重新填写!");
       return false;
    }
    else
    {
       document.location="myBase.html";
       return true;
    }
}

function regedit(userName,PassWord,confimPwd,email)
{
    if (!(vusername(userName)&&vpwd(PassWord)&&confimpwd(PassWord,confimPwd)&&vemail(email)))
    {
        return false;
    }
    var w=new WebServiceAjax("webs/Doc_info.asmx");
    var v=w.RequestGet("Reguser",["userName="+userName,"pwd="+PassWord,"email="+email],false,null,null,"http://tempuri.org",null);
    var dts=document.createElement("li");
    dts.innerHTML=v;
    v=dts.innerText;
    delete dts;
    
    if(v==0)
    {
       alert("注册失败,请重新填写!");
       return false;
    }
    else
    {
       document.location="myBase.html";
       return true;
    }
}