var __sto = setTimeout;
//重载setTime，使其能接受参数
window.setTimeout = function(callback,timeout,param){
	var args = Array.prototype.slice.call(arguments,2);
	var _cb = function(){
			callback.apply(null,args);
	}
	__sto(_cb,timeout);
}

function $(Id) {
	return document.getElementById(Id);
}

// 图片动态切换
function replacePictureAd(Id,imglist,cur_id) {
	var imgDiv=document.getElementById(Id);
	imgDiv.innerHTML='';
	var newUrl=document.createElement('a');
	var newImg=document.createElement('img');
	if(cur_id<0||cur_id>imglist.length)	cur_id=Math.floor(Math.random()*imglist.length);
	newUrl.setAttribute('href',imglist[cur_id]['url']);
	newUrl.setAttribute('target','_blank');
	newImg.setAttribute('border','0');
	newImg.setAttribute('src',imglist[cur_id]['img']);
	var frame = imglist[cur_id]['frame']*1000;
	newUrl.appendChild(newImg);
	imgDiv.appendChild(newUrl);
	cur_id++;
	if (cur_id>=imglist.length) cur_id=0;
	window.setTimeout(replacePictureAd,frame,Id,imglist,cur_id);
}

var arr_cate = new Array();
arr_cate[0]='AB';
arr_cate[1]='AC';
arr_cate[2]='AD';
arr_cate[3]='AE';
arr_cate[4]='AJ';
arr_cate[5]='AK';
arr_cate[6]='AF';
function expand_category (cate) {
	if($(cate+'_show')) $(cate+'_show').style.display="block";
	if($(cate+'_hide')) $(cate+'_hide').style.display="block";
	if($(cate+'_href')) $(cate+'_href').innerHTML='精简';
	if($(cate+'_href')) $(cate+'_href').href="javascript:reset_category();";
	if($(cate)) $(cate).style.display="block";
	for (var i=0; i<arr_cate.length; i++) {
		if(arr_cate[i]!=cate){
			if($(arr_cate[i])) $(arr_cate[i]).style.display="none";
		}
	}
}

function reset_category () {
	var cate=null;
	for (var i=0; i<arr_cate.length; i++) {
		cate=arr_cate[i];
		if($(cate+'_show')) $(cate+'_show').style.display="block";
		if($(cate+'_hide')) $(cate+'_hide').style.display="none";
		if($(cate)) $(cate).style.display="block";
		if($(cate+'_href')){ 
			$(cate+'_href').innerHTML='全部';
			$(cate+'_href').href="javascript:expand_category('"+cate+"');";
		}
	}
}