onready(function(){
	doing=false;
	$('s_body').onscroll=function(){
		if($('s_body').scrollTop>=($('s_body').scrollHeight-document.body.offsetHeight-300)&&!doing){
			doing=true;
			$("loading").setStyle("display:block;");
			$('slaod').setStyle("visibility:visible;");
			var q=getQueryString();
			page=(typeof(page)!=='undefined')?parseInt(page)+1:(q['page']?parseInt(q['page'])+1:2);
			$.ajax.request({url:siteurl+'talk/forum.php?fid='+q['fid']+'&page='+page+'&digest='+q['digest']+'&order='+q['order']+'&typeid='+q['typeid']+'&inajax=1',method:"get",oncomplete:function(returns){
				if(returns.responseText!='0'){
					var par=document.createElement('div');
					par.innerHTML=returns.responseText;
					$('ajax_forum').parentNode.appendChild(par);
					$('slaod').setStyle("visibility:hidden;");
					$("loading").setStyle("display:none;");
					doing=false;
					}else{
						$('slaod').html('没有啦');
						$("loading").setStyle("display:none;");
						doing=true;
					}
			}});
		}
		
	}
	
}
);

function getQueryString(q) 
{ var ps, pn, pv=[]; 
    if(location.href.indexOf("?")!=-1 || location.href.indexOf(q+'=')!=-1) 
    { 
		var p = (location.search.replace("?","")).split("&")
		
		for(var i=0; i<p.length; i++)  { 
				var _p=p[i].split("=");
				pv[_p[0]]=unescape(_p[1]);
		 };
		 
	 }
	 return q?pv[q]:pv;
};