function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}
function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

/*
功能：图片等比例缩放
目标:ImgTag
图片宽度:FitWidth
图片高度:FitHeight
*/
function ResizePic(ImgTag,FitWidth,FitHeight)
{
    var image = new Image();
 image.src = ImgTag.src;
 if(image.width>0 && image.height>0){
  if(image.width/image.height >= FitWidth/FitHeight){
   if(image.width > FitWidth){
    ImgTag.width = FitWidth;
    ImgTag.height = (image.height*FitWidth)/image.width;
   }
   else{ 
    ImgTag.width = image.width;
    ImgTag.height = image.height;
   }
  }
  else{
   if(image.height > FitHeight){
    ImgTag.height = FitHeight;
    ImgTag.width = (image.width*FitHeight)/image.height;
   }
   else{
    ImgTag.width = image.width; 
    ImgTag.height = image.height;
   }
  }
 }
}
//*******************************************************************