Edit D:\chineseall_products\bak\digitalLib6\js\picture

Edit D:\chineseall_products\bak\digitalLib6\js\picture_switch.js

var $$ = function (d)
{
  typeof d == "string" &&(d = document.getElementById(d)); 
  return $$.fn.call(d);
};

$$.fn = function ()
{
  this.$$ADD = function (fn){CLS.add(this,fn)};
  this.addEvent = function (sEventType,fnHandler)
  {
	  if (this.addEventListener) {this.addEventListener(sEventType, fnHandler, false);}
    else if (this.attachEvent) {this.attachEvent("on" + sEventType, fnHandler);}
    else {this["on" + sEventType] = fnHandler;}
	}
	
	this.removeEvent = function (sEventType,fnHandler)
	{
	  if (this.removeEventListener) {this.removeEventListener(sEventType, fnHandler, false);}
    else if (this.detachEvent) {this.detachEvent("on" + sEventType, fnHandler);}
	  else { this["on" + sEventType] = null;}
	}
	
	return this;
};

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

var Class = {
  create: function() {
	return function() {
	  this.initialize.apply(this, arguments);
	}
  }
}

var Bind = function (obj,fun,arr){return function() {return fun.apply(obj,arr);}}

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

var TransformView = Class.create();

TransformView.prototype = {
  //??????,??????,??????,??????
  initialize: function(container, slider, parameter, count, options) {
	if(parameter <= 0 || count <= 0) return;
	var oContainer = $$(container), oSlider = $$(slider), oThis = this;
	this.Index = 0;//??????
	this._timer = null;//?????
	this._slider = oSlider;//??????
	this._parameter = parameter;//??????
	this._count = count || 0;//??????
	this._target = 0;//??????
	this.SetOptions(options);
	this.Up = !!this.options.Up;
	this.Step = Math.abs(this.options.Step);
	this.Time = Math.abs(this.options.Time);
	this.Auto = !!this.options.Auto;
	this.Pause = Math.abs(this.options.Pause);
	this.onStart = this.options.onStart;
	this.onFinish = this.options.onFinish;
	oContainer.style.overflow = "hidden";
	oContainer.style.position = "relative";
	oSlider.style.position = "absolute";
	oSlider.style.top = oSlider.style.left = 0;
  },
  //??????????
  SetOptions: function(options) {
	this.options = {//?????
		Up:	true,//??????(??????)
		Step:	5,//????????
		Time:	10,//??????
		Auto:	true,//?????????
		Pause:	2000,//??????(Auto??rue?????)
		onStart:	function(){},//???????????
		onFinish:	function(){}//???????????
	};
	Object.extend(this.options, options || {});
  },
  //??????????
  Start: function() {
	if(this.Index < 0){
		this.Index = this._count - 1;
	} else if (this.Index >= this._count){ this.Index = 0; }
	this._target = -1 * this._parameter * this.Index;
	this.onStart();
	this.Move();
  },
  //???
  Move: function() {
	clearTimeout(this._timer);
	var oThis = this, style = this.Up ? "top" : "left", iNow = parseInt(this._slider.style[style]) || 0, iStep = this.GetStep(this._target, iNow);
	if (iStep != 0) {
		this._slider.style[style] = (iNow + iStep) + "px";
		this._timer = setTimeout(function(){ oThis.Move(); }, this.Time);
	} else {
		this._slider.style[style] = this._target + "px";
		this.onFinish();
		if (this.Auto) { this._timer = setTimeout(function(){ oThis.Index++; oThis.Start(); }, this.Pause); }
	}
  },
  //??????
  GetStep: function(iTarget, iNow) {
	var iStep = (iTarget - iNow) / this.Step;
	if (iStep == 0) return 0;
	if (Math.abs(iStep) < 1) return (iStep > 0 ? 1 : -1);
	return iStep;
  },
  //???
  Stop: function(iTarget, iNow) {
	clearTimeout(this._timer);
	this._slider.style[this.Up ? "top" : "left"] = this._target + "px";
  }
};

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