jQuery实现图片加载完成后改变图片大小的方法

<script type="text/javascript">
$(document).ready(function(){
  function changeSize(obj){
  //本函数用于在图片加载时对图片大小等进行设置
   w=obj.width();
   h=obj.height();
   t=obj.attr("title");
   src=obj.attr("src");
   obj.width(w>400?400:w);
   obj.height(w>400?(400/w)*h:h);
   obj.css("cursor","pointer");
   obj.click(function(){
    $("#picDlg").html("<img src="+src+" border=0/>").fadeIn(1000).dialog({
     width:"auto",
     height:"auto",
     title:t,
     modal:true,
     draggable:false,
     resizable:false
    })
   })
  }
  if($.browser.msie){
   //IE 6.0
   if($.browser.version==6.0){
    $(".bodyLeft img").each(function(ind,ele){
     // ele.onreadystatechange =function(){
      if(ele.readyState == "complete"||ele.readyState=="loaded"){
       changeSize($(this));
      }
     //}
    })
   }
   //IE 6.0以上
   else{
    $(".bodyLeft img").each(function(){
     tempTimer=window.setInterval(function(ind,ele){
      if(ele.readyState=="complete"){
       window.clearInterval(tempTimer);
       changeSize($(this));
      }
      else{
       return;
      }
     },200);
    })
   }
  }
  //FF,Chrome
  else{
   $(".bodyLeft img").each(function(ind,ele){
    alert(ele.complete);
    if(ele.complete==true){
     changeSize($(this));
    }
   })
  }
})
</script>