自动适应窗口大小

<script type="text/javascript">

$(function() {

windowResize(); //文档载入时加载

$(window).resize(function() {

windowResize(); //窗口改变大小时加载

});

});

function windowResize() {

var width = $(window).width() - 10; //减去10与body中margin:5px共同作用:为body留的边距

var height = $(window).height() - 10;

$('body').width(width);

$('body').height(height);

$('body').layout(); //相当于

}

</script>