gist:4604542

function xnrequest(retext,begin,end,url,sids){
    for(var i=0;i<sids.length;i++){
	var sid = sids[i].getAttribute("id").replace(retext,"");
	var data=begin+sid+end;
	new XN.NET.xmlhttp({url:url,data:data,onSuccess:function(){},
		onError:function(){
			console.log("删除错误");
}});
}
}