javascript顺序加载图片的方法

function Load_pic(arr){
 this.loop_f=function(i,o_file,len,f,obj){
   if(i<len-1){
     i=i+1;
     f(i,o_file,len,obj);
     }
  };
  this.creat_pic=function(i,o_file,len,obj){
    var f=arguments.callee,
    doc=document,
    image = doc.createElement("img");  
    image.src =o_file[i];
    i<len?doc.getElementsByTagName("body")[0].appendChild(image):'';
    if(navigator.userAgent.indexOf("MSIE")>0){ 
        if($.browser.version==6.0 || $.browser.version==9.0){
        //IE9和IE6一样 微软真是怪异
          image.onreadystatechange = function () { 
            if (image.readyState == "plete"){ 
              obj.loop_f(i,o_file,len,f,obj);
            } 
          }; 
        }else{ 
          ie7imagetime = window.setInterval(function(){ 
            var rs = image.readyState; 
            if(rs=="plete"){ 
              window.clearInterval(ie7imagetime); 
              obj.loop_f(i,o_file,len,f,obj);
            }else{ 
              return; 
            } 
          },200); 
        } 
      }else{ 
        image.onload = function () { 
          if (image.plete == true){ 
          obj.loop_f(i,o_file,len,f,obj);
          } 
        }; 
    }
  }; 
   if(arr.constructor===Array){
   var len=arr.length,
      i=0;
   i<len?this.creat_pic(i,arr,len,this):'';
  };
 }
//调用方法
new Load_pic([
'http://gomap.dashilan./jquery-mobile/map/cq/1/img_1/0_0.gif',
'http://gomap.dashilan./jquery-mobile/map/cq/1/img_1/0_1.gif',
'http://gomap.dashilan./jquery-mobile/map/cq/1/img_1/0_2.gif',
'http://gomap.dashilan./jquery-mobile/map/cq/1/img_1/0_3.gif',
'http://gomap.dashilan./jquery-mobile/map/cq/1/img_1/1_0.gif',
'http://gomap.dashilan./jquery-mobile/map/cq/1/img_1/1_1.gif',
'http://gomap.dashilan./jquery-mobile/map/cq/1/img_1/1_2.gif',
'http://gomap.dashilan./jquery-mobile/map/cq/1/img_1/1_3.gif'
]);
//注意要调用jquery 用于判断浏览器