//顶部菜单
$(document).ready(function(){
    $("#sw_topnav a").bind("mouseover", function(){
		var oldimg=$(this).children().attr("src");
        $(this).children().attr("src", oldimg.replace(/b____/g,"a____")); 
    });
    $("#sw_topnav a").bind("mouseout", function(){
		var oldimg=$(this).children().attr("src");
        $(this).children().attr("src", oldimg.replace(/a____/g,"b____")); 
    });
    $(".productimg").LoadImage(true,130,130,"<img src='../images/loadimage.gif' />",false,false);
    $(".productimg2").LoadImage(true,120,180,"<img src='../images/loadimage.gif' />",false,false);
    $(".img200200").LoadImage(true,200,200,"<img src='../images/loadimage.gif' />",false,false);
    $(".img160160").LoadImage(true,160,160,"<img src='../images/loadimage.gif' />",false,false);
    $(".img105105").LoadImage(true,105,105,"<img src='../images/loadimage.gif' />",false,false);
    $(".img350350").LoadImage(true,350,350,"<img src='../images/loadimage.gif' />",false,false);
    

    

});