js图片预览

/*图片预览*/
function PreviewImg(imgFile){ 
 //预览代码，支持 IE6、IE7。  

 var preImg = document.getElementById("imgTag");
 preImg.innerHTML = "";
 preImg.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = imgFile.value;
 preImg.style.width = "98px";
 preImg.style.height = "98px";
 
}
  </script>

 

 

   <!-- 设置默认图片 -->
        <s:if test="%{imageurlFileName==null||imageurlFileName==''}">
         <img id="imageTag" src="images/article/001.jpg" width="80px"
          height="80px" />
        </s:if>
        <s:else>
         <img id="imageTag"
          src="images/article/<s:property value="imageurlFileName"/> />"
          width="80px" height="80px" />
        </s:else>
       </div>
      </td>
     </tr>
     <tr>
      <td height="30" align="right">
       &nbsp;
      </td>
      <td colspan="3" align="left">
       <input id="imageurl" name="imageurl" type="file"
        onchange="javascript:PreviewImg(this);"
        class="input_blue_border" size="25" />
      </td>
     </tr>