var next = $start;
function feed_more() {
var x = new Ajax('XML', 'ajax_wait');
var html = '';
next = next + $perpage;
x.get('cp.php?ac=feed&op=get&start='+next+'&view=$_GET[view]&appid=$_GET[appid]&icon=$_GET[icon]&filter=$_GET[filter]&day=$_GET[day]', function(s){
html = '<h4 class="feedtime">以下是新读取的动态</h4>' + s;
$('feed_div').innerHTML += html;
});
}