$(function(){
var widths=$(window).width();
var heights=$(window).height();
var banners_width=$(window).width();
var banners_height=$(window).height();
$(".xn_ba_js_1_banner").css("width",widths+"px");
$(".xn_ba_js_1_banner").css("height",banners_width/3.5+"px");
$(".xn_ba_js_1_bigImg img").css("width",banners_width+"px");
$(".xn_ba_js_1_bigImg img").css("height",banners_width/3.5+"px");
})
