熠熠BLOG ∷ 不能给大自然丢脸！

//构造ImageSlide类
function ImageSlide () {
 if((/MSIE\s*[5-9]/).test(navigator.appVersion)) {
  this.count = 0;
  this.timer = null;
  this.first = new Object();
  this.frms = new Array();

  this.imgs = new Array();
  this.width = 640;
  this.height = 480;
  this.boxId = "imageSlideBox";
  this.delay = 5;
  this.autoPlay = true;
  this.transform = 23;
  /**
   * 播放切换效果说明
   * --------------
   *  0. 矩形缩小
   *  1. 矩形扩大
   *  2. 圆形缩小
   *  3. 圆形扩大
   *  4. 从下到上
   *  5. 从上到下
   *  6. 从左到右
   *  7. 从右到左
   *  8. 竖百叶窗
   *  9. 横百叶窗
   * 10. 错位横百叶窗
   * 11. 错位竖百叶窗
   * 12. 点扩散
   * 13. 两边到中间
   * 14. 中间到两边
   * 15. 中间到上下
   * 16. 上下到中间
   * 17. 右下到左上
   * 18. 右上到左下
   * 19. 左上到右下
   * 20. 左下到右上
   * 21. 横条
   * 22. 竖条
   * 23. 随机
   * --------------
   */
 }
 else {
  alert("请使用IE5或IE5以上版本的浏览器使用本程序！");
 }
}

//加入一张或多张图片（传入一个或多个图片路径）
//pushImg(sPath1 [, sPath2 [, sPath3 [, ...]]])
ImageSlide.prototype.pushImgs = function () {
 for (var i = 0; i < arguments.length; i++)
  this.imgs.push(arguments[i]);
}

//设置图片播放容器的长宽
ImageSlide.prototype.setSize = function (nWidth, nHeight) {
 this.width = nWidth;
 this.height = nHeight;
}

//设置图片播放容器的ID
ImageSlide.prototype.setBoxId = function (sBoxId) {
 this.boxId = sBoxId;
}

//设置是否自动播放
ImageSlide.prototype.setAutoPlay = function (bAutoPlay) {
 this.autoPlay = bAutoPlay;
}

//设置自动播放的延时秒数
ImageSlide.prototype.setDelay = function (nSeconds) {
 this.delay = nSeconds;
}

//设置播放的切换效果（0-23的整数）
ImageSlide.prototype.setTransform = function (nTransform) {
 this.transform = nTransform;
}

//显示
ImageSlide.prototype.display = function () {
 var boxStr = "<div style='width:" + this.width + "px;height:" + this.height + "px;' ";
 boxStr += "id='"  + this.boxId + "'><div ";
 if (this.autoPlay)
  boxStr += "onclick='window.imageSlide.play();window.imageSlide.timerPlay();'";
 else
  boxStr += "onclick='window.imageSlide.play();'";
 boxStr += "style='word-break:keep-all;width:100%;height:100%;background-color:#EEEEEE;'>";
 if (this.autoPlay)
  boxStr += "<br />　点击此处开始进行自动播放……";
 else
  boxStr += "<br />　点击此处开始播放，播放时单击播放下一张……";
 boxStr += "</div>";
 var img;
 var transform = this.transform;
 for (var i = 0; i < this.imgs.length; i++) {
  if (this.transform >= 23)
   var transform = Math.floor(Math.random()*23);
  boxStr += "<img src='" + this.imgs[i] + "' style='display:none;width:";
  boxStr += this.width + ";height:" + this.height + "px;height:px;filter:";
  boxStr += "revealTrans(transition=" + transform + ",duration=1);'";
  if (!this.autoPlay)
   boxStr += "' onclick='window.imageSlide.play();' alt='点击播放下一张'";
  boxStr += " />";
 }
 boxStr += "</div>";
 document.writeln(boxStr);
 var box = document.getElementById(this.boxId);
 this.first = box.childNodes[0];
 this.frms = box.getElementsByTagName("IMG");
}

//播放
ImageSlide.prototype.play = function () {
 if (window.imageSlide.imgs.length) {
  window.imageSlide.first.style.display = "none";
  if (window.imageSlide.count >= window.imageSlide.imgs.length) {
   alert("播放完毕！");
   window.imageSlide.frms[window.imageSlide.count-1].style.display = "none";
   window.imageSlide.first.style.display = "block";
   window.imageSlide.first.innerHTML = "<br />　点击此处再次进行播放！";
   clearInterval(window.imageSlide.timer);
   window.imageSlide.count = 0;
  }
  else if (window.imageSlide.count == 0) {
   window.imageSlide.first.style.display = "none";
   window.imageSlide.frms[0].filters[0].apply();
   window.imageSlide.frms[0].style.display = "block";
   window.imageSlide.frms[0].filters[0].play();
  }
  else {
   window.imageSlide.frms[window.imageSlide.count-1].style.display = "none";
   window.imageSlide.frms[window.imageSlide.count].filters[0].apply();
   window.imageSlide.frms[window.imageSlide.count].style.display = "block";
   window.imageSlide.frms[window.imageSlide.count].filters[0].play();
  }
  window.imageSlide.count++;
 }
 else {
  alert("你没有放入任何图片，无法进行播放！");
 }
}

//连续播放
ImageSlide.prototype.timerPlay = function () {
 this.timer = setInterval(this.play, this.delay * 1000);
}

//实例化一个ImageSlide对象imageSlide并将其做为window对象的一个子对象
window.imageSlide = new ImageSlide();