[jQuery] img src problem in IE6

[jQuery] img src problem in IE6


$('#fp_menu a').each(function()
{
    dev_id = querySt("dev_id");
    $(this).click(function()
    {
        new_src = "http://"+this_domain+"/development/images/"+dev_id+"/
floorplan/"+this.id;
        $('#fp_img').attr({ src: new_src });
    });
});
in IE6 src is not changing.its work well in firefox and IE7