// JavaScript Document   
  MaxTryTime   =   20; //最大尝试次数   
  var   LoadTimes   =   5;   
  var   strLoadFail   =   "<DIV>Load   failure!</DIV>";   
  var   strLoading   =   "<DIV>Loading...</DIV>";   
  var   strLoadTimeOut   =   "<DIV>Time   out...</DIV>";   
  var   imgObj;   
  var   isLoading   =   false;   
    
  //整理图片大小，返回一个数组(整理后的图片尺寸)，下标0和1分别是宽和高   
  function   FixImagesSize(MaxWidth,MaxHeight,iObj)   
  {   
  var   MaxScale   =   MaxWidth/MaxHeight;   
  var   TrueScale,ZoomScale;   
  var   tmpWidth,tmpHeight;   
  if   (typeof(iObj)   ==   "object"){   
  if(iObj.width<MaxWidth&&iObj.height<MaxHeight)return;   
  TrueScale   =   iObj.width/iObj.height;   
  if(TrueScale>MaxScale){   
  ZoomScale   =   MaxWidth/iObj.width;   
  }   
  else{   
  ZoomScale   =   MaxHeight/iObj.height;   
  }   
  tmpWidth   =   Math.round(iObj.width*ZoomScale);   
  tmpHeight   =   Math.round(iObj.height*ZoomScale);   
  iObj.width   =   tmpWidth;   
  iObj.height   =   tmpHeight;   
  }   
  else{   
  iObj.width   =   0;   
  iObj.height   =   0;   
  }   
  return;   
  }   
    
  //放置图片   
  function   PutImage(ImageURL,Target,MaxWidth,MaxHeight){   
  if(isLoading){   
  setTimeout("PutImage('"   +   ImageURL   +   "','"   +   Target   +   "',"   +   MaxWidth   +   ","   +   MaxHeight   +   ")",   250);   
  }   
  else{   
  /*if   (typeof(imgObj)   !=   "object")*/imgObj   =   new   Image();   
  imgObj.src   =   ImageURL;   
  CheckLoaded(ImageURL,Target,MaxWidth,MaxHeight);   
  }   
  }   
    
  //批量添加缩略图   
  function   BatchPutImages(arrImg,MaxWidth,MaxHeight){   
  var   i;   
  for(i=0;i<arrImg.length;i++){   
  PutImage(arrImg[i][0],arrImg[i][1],MaxWidth,MaxHeight);   
  }   
  }   
    
  //判断是否已经加载   
  function   CheckLoaded(ImageURL,Target,MaxWidth,MaxHeight)   
  {   
  isLoading   =   true;   
  var   objTarget   =   document.getElementById(Target);   
  //   对象是否已创建   
  //if(typeof(objTarget)!="object")Target   =   eval(Target);   
      if   (typeof(imgObj)   ==   "object"){   
          //   是否已取得了图像的高度和宽度   
          if   ((imgObj.width   !=   0)   &&   (imgObj.height   !=   0)){   
              //   根据取得的图像高度和宽度设置弹出窗口的高度与宽度，并打开该窗口   
  if((imgObj.width   ==   28)   &&   (imgObj.height   ==   30)){   
  objTarget.innerHTML   =   strLoadFail;   
  }   
  else{   
  FixImagesSize(MaxWidth,MaxHeight,imgObj);   
  objTarget.innerHTML   =   "<img   src="   +   ImageURL   +   "   width="   +   imgObj.width   +   "   height="   +   imgObj.height   +   "   border='0' class='img' />";   
  // SetDefSize();   
  }   
  LoadTimes   =   0;   
  isLoading   =   false;   
  }   
          else{   
              //   因为通过   Image   对象动态装载图片，不可能立即得到图片的宽度和高度，所以每隔250毫秒重复调用检查   
  if(LoadTimes   >   MaxTryTime){   
  objTarget.innerHTML   =   strLoadTimeOut;   
  LoadTimes   =   0;   
  isLoading   =   false;   
  }   
  else{   
  objTarget.innerHTML   =   strLoading;   
  LoadTimes++;   
  setTimeout("CheckLoaded('"   +   ImageURL   +   "','"   +   Target   +   "',"   +   MaxWidth   +   ","   +   MaxHeight   +   ")",   250);   
  }   
  }   
      }   
  }