///{{{导航菜单
 
 
var menu_stat ={'def_idx':1,'on':0,'now_idx':-1};

function show_menu(idx){
	if (isNaN(idx))
	{
		idx=menu_stat.def_idx;
	}
	
	if (menu_stat.def_idx == menu_stat.now_idx)
	{
		return false;
	}
	
	var menus=document.getElementById('menu_top').getElementsByTagName('li');
	var submenus=document.getElementById('menu_top_sub').getElementsByTagName('ul');
	var menus_num =menus.length;
	for (i=0;i<menus_num ;i++ )
	{
		var e =menus[i];
		//var e_sub = document.getElementById('menu_top')
		if (idx==i)
		{
			e.className='now';
			menu_stat.now_idx=i;
			if (submenus[i])
			{
				submenus[i].style.display="block";
			}
		}else{
			e.className='';
			if (submenus[i])
			{
				submenus[i].style.display="none";
			}
		}
	}
}



function switch_menu_sub(obj){
	var submenus=document.getElementById('menu_top').getElementsByTagName('li');
	var submenus_num =submenus.length;
	var on = 0;
	var def_idx=menu_stat.def_idx;

	for (i=0;i<submenus_num ;i++ )
	{
		var e =submenus[i];
		e.idx=i;
		e.def_idx=def_idx;
		e.onmouseover=_over;
		e.onmouseout=_out;
	}
	


	function _over(){
		show_menu(this.idx);
		menu_stat.on =1;
		menu_stat.now_idx=this.idx;

	}
	function _out(){
		menu_stat.on =0;
		

	}
}
 
 
 
function menu_sub_over(){
	menu_stat.on = 1;
}
 
function menu_sub_out(){
	menu_stat.on = 0;
}
 
///}}}


function sx_scoll(ul,to){
	var ul = document.getElementById(ul);
	var lis = ul.getElementsByTagName('li');
	var num_li=lis.length;
	var num_show =8;
	
	var child = ul.childNodes;
	var num_old =child.length;

	
	//全部隐藏
	for(i=0;i<num_li;i++){
		if(i<num_show)
			lis[i].style.display='block';
		else
			lis[i].style.display='none';
	}
	//改变结构
	var lis = ul.getElementsByTagName('li');
	if(1==to){
		var tmp=lis[0];
		tmp.parentNode.removeChild(tmp)
		ul.appendChild(tmp)
	}else if(-1==to){
		var tmp=lis[num_li-1];
		tmp.parentNode.removeChild(tmp)
		ul.insertBefore(tmp,ul.childNodes[0])
	}
	//只显示前几项
	
	var lis = ul.getElementsByTagName('li');
	for(i=0;i<num_li;i++){
		if(lis[i]){
			if(i<num_show)
				lis[i].style.display='block';
			else
				lis[i].style.display='none';
		}
	}
}
function sx_scoll_p(to){
	parent_id='p_poster';
	child_tag = 'a';
	var parent_e = document.getElementById(parent_id);
	var img_poster_now =document.getElementById('img_poster_now');
	var childs_e = parent_e.getElementsByTagName(child_tag);
	var num_childs=childs_e.length;
	var num_show =1;
	
	if (isNaN(sx_scoll_p.no))
	{
		sx_scoll_p.no =1;//init 第一步换图了
	}else{
		sx_scoll_p.no += to;

		if (sx_scoll_p.no == num_childs )
		{
			sx_scoll_p.no=0;
		}
		if ( -1 == sx_scoll_p.no )
		{
			sx_scoll_p.no = num_childs-1;
		}
	}

	//全部隐藏
	for(i=0;i<num_childs;i++){
		if(i==sx_scoll_p.no){
			childs_e[i].style.display='block';
			img_poster_now.innerHTML=sx_scoll_p.no+1;
		}
		else{
			childs_e[i].style.display='none';	
		}
	}
}

function init_news_poster(){
	var img_poster = document.getElementById('p_poster').getElementsByTagName('a');
	var img_poster_length = img_poster.length;
	for (i=0;i<img_poster_length ;i++ )
	{
		img_poster[i].no =i+1;
		if (i>0)
		{
			img_poster[i].style.display='none';
		}
	}
	document.getElementById('img_poster_num').innerHTML=img_poster_length;
}


function switch_news_top(obj){
	var tag_id ='news_top_today_tag';
	var tag_7d=document.getElementById('news_top_7day_tag');
	var tag_td=document.getElementById('news_top_today_tag');
	var wrap_7d=document.getElementById('news_top_7day');
	var wrap_td=document.getElementById('news_top_today');
	if (obj)
	{
		tag_id=obj.id
	}
	
		
	switch (tag_id)
	{
		case 'news_top_today_tag':
			tag_td.className='now';
			tag_7d.className='';
			wrap_td.style.display="block";
			wrap_7d.style.display="none";
		break;
		case 'news_top_7day_tag':
			tag_td.className='';
			tag_7d.className='now';
			wrap_td.style.display="none";
			wrap_7d.style.display="block";
		break;
	}
}


function cssLoad(scid,scsrc,nourlfix){
	var sc=document.getElementById(scid);
	if(!sc) return;
	if(!nourlfix){
		var t= 't='+ new Date().getTime();
		scsrc = scsrc.indexOf('?')>0 ? scsrc+'&'+t:  scsrc+'?'+t;
	}
	var scP=sc.parentNode;
	scP.removeChild(sc);
	sc_new=document.createElement("script");
	sc_new.id= scid;
	sc_new.src= scsrc;
	sc_new.type="text/javascript";
	scP.appendChild(sc_new);
}

function echo_day(){
	var dNow = new Date();
	var gDateY = dNow.getFullYear();
	var gDateM = dNow.getMonth()+1;
	var gDateD = dNow.getDate();
	var gDateW = dNow.getDay();
	var gsDateY=gDateY.toString();
	var gsDateM=gDateM<10?'0'+gDateM.toString():gDateM.toString();
	var gsDateD=gDateD<10?'0'+gDateD.toString():gDateD.toString();
	var gsDateW="星期";

	switch( gDateW ){
		case 0:
			gsDateW+="日";
			break;
		case 1:
			gsDateW+="一";
			break;
		case 2:
			gsDateW+="二";
			break;
		case 3:
			gsDateW+="三";
			break;
		case 4:
			gsDateW+="四";
			break;
		case 5:
			gsDateW+="五";
			break;
		case 6:
			gsDateW+="六";
			break;
	}
	document.write(gDateY+'年'+gDateM+'月'+gDateD+'日&nbsp;'+gsDateW);
}


function timer(){
	if (0==menu_stat.on)
	{
		show_menu();
	}
 
 
	timer.max = 10;
	if (isNaN(timer.no))
	{
		timer.no =0;
	}else{
		if (timer.no>10)
		{
			timer.no=0;
		}else{
			timer.no ++;
		}
	}
	
	if ( 5==timer.no )
	{
		//sx_scoll_p(1)
		try{document.getElementById('btn_scoll_p').onclick();}catch(e){}
	}
}