function correctPNG() 
   {
   for(var i=0; i<document.images.length; i++)
      {
   var img = document.images[i]
   var imgName = img.src.toUpperCase()
   if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
      {
   var imgID = (img.id) ? "id='" + img.id + "' " : ""
   var imgClass = (img.className) ? "class='" + img.className + "' " : ""
   var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
   var imgStyle = "display:inline-block;" + img.style.cssText 
   if (img.align == "left") imgStyle = "float:left;" + imgStyle
   if (img.align == "right") imgStyle = "float:right;" + imgStyle
   if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle  
   var strNewHTML = "<span " + imgID + imgClass + imgTitle
   + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
      + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
   + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
   img.outerHTML = strNewHTML
   i = i-1
      }
      }
   }
window.attachEvent("onload", correctPNG);

//function view(e){
//    if(e==1){
//        document.getElementById('name').style.color = '#f00';    
//        document.getElementById('fade').style.display = 'block';    
//    }else if(e==0){
//        document.getElementById('fade').style.display = 'none';        
//        document.getElementById('name').style.color = '#F7AC1D';    
//    }
//}


function view(o){
o.className="current";
var id;
var j;
var e;
 for (var i =1; i < 15; i++)
 {
  //取得导航栏里id里的值，如id = "down1"
  id ="down"+ i;
  alert(id)
  //取得导航栏里id的属性，如"id" = down1
  j = document.getElementById(id);
  alert(j)
  //取得内容栏里的id的值，如id = "d_con1"
  e = document.getElementById("fade"+i);
  if(id != o.id) {
   j.className="";
   e.style.display = "none";
  }
  else{
   e.style.display = "block";
  }
 }
}