js预加载图片

<script type="text/javascript">
function PreloadImg(){
  var Arrimg=new Array();
  if(typeof(arguments[0])=="string")Arrimg[0]=arguments[0];
  if(typeof(arguments[0])=="object"){
      for(var i=0;i<arguments[0].length;i++){
          Arrimg[i]=arguments[0][i]
        }
    }
  var img=new Array()
  for(var i=0;i<Arrimg.length;i++){
    img[i]=new Image();
    img[i].src=Arrimg[i];
  }
}
var imgsrc=new Array(
"http://www.shanghaibizlawyer.com/skins/model_julien/cn/images/banner_1.jpg",
"http://www.shanghaibizlawyer.com/skins/model_julien/cn/images/banner_34.jpg",
"http://www.shanghaibizlawyer.com/skins/model_julien/cn/images/banner_35.jpg",
"http://www.shanghaibizlawyer.com/skins/model_julien/cn/images/banner_36.jpg",
"http://www.shanghaibizlawyer.com/skins/model_julien/cn/images/banner_37.jpg",
"http://www.shanghaibizlawyer.com/skins/model_julien/cn/images/banner_38.jpg",
"http://www.shanghaibizlawyer.com/skins/model_julien/cn/images/banner_39.jpg",
"http://www.shanghaibizlawyer.com/skins/model_julien/cn/images/banner_40.jpg",
"http://www.shanghaibizlawyer.com/skins/model_julien/cn/images/banner_41.jpg",
"http://www.shanghaibizlawyer.com/skins/model_julien/cn/images/banner_42.jpg",
"http://www.shanghaibizlawyer.com/skins/model_julien/cn/images/banner_43.jpg",
"http://www.shanghaibizlawyer.com/skins/model_julien/cn/images/banner_44.jpg",
"http://www.shanghaibizlawyer.com/skins/model_julien/cn/images/banner_45.jpg",
"http://www.shanghaibizlawyer.com/skins/model_julien/cn/images/banner_46.jpg",
"http://www.shanghaibizlawyer.com/skins/model_julien/cn/images/banner_47.jpg",
"http://www.shanghaibizlawyer.com/skins/model_julien/cn/images/banner_48.jpg",
"http://www.shanghaibizlawyer.com/skins/model_julien/cn/images/banner_49.jpg",
"http://www.shanghaibizlawyer.com/skins/model_julien/cn/images/banner_52.jpg",
"http://www.shanghaibizlawyer.com/skins/model_julien/cn/images/banner_60.jpg"
)
new PreloadImg(imgsrc)//加载了数组里面的图片。
new PreloadImg("http://www.shanghaibizlawyer.com/skins/model_julien/en/images/banner_1.jpg")//直接加载一个图片。
</script>