//新闻模式分类显示菜单
function NewsSpanBar(){
	this.f=1;
	this.event = "click";
	this.titleid = "";
	this.bodyid="";
	this.class_dis = "dis";
	this.class_undis = "undis";
	this.class_hiton = "tab_search_on";
	this.class_hitno = "tab_search";

	var Tags,TagsCnt,len,flag;
	var BClassName;
	this.load=function(){
		if (!$(this.titleid)||!$(this.bodyid))
		{
			return false;
		}
		flag = this.f;
		BClassName = [this.class_dis,this.class_undis,this.class_hiton,this.class_hitno];
		Tags=$(this.titleid).getElementsByTagName('p'); 
		TagsCnt=$(this.bodyid).getElementsByTagName('dl'); 
		len=Tags.length;
		for(var i=0;i<len;i++){
			Tags[i].value = i;
			if (this.event!='click'){
				Tags[i].onmouseover=function(){changeNav(this.value)};
			}else{
				Tags[i].onclick=function(){changeNav(this.value)};
			}
			TagsCnt[i].className=BClassName[1]; //display:none
		}
		Tags[flag].className=BClassName[3];
		TagsCnt[flag].className=BClassName[0]; //display:block
	}
	function changeNav(v){
		Tags[flag].className=BClassName[2]; 
		TagsCnt[flag].className=BClassName[1]; //把上一步显示的标签隐掉
		flag=v;
		Tags[v].className=BClassName[3];
		TagsCnt[v].className=BClassName[0];	
			}
}
function showbackpost(v, c){
	for(var i=0; i < c; i++){
		if(i==v){
			$("action_99887"+i).style.display='block';
			$("action_99887_"+i).className='postbackselected1';
		}else{
			$("action_99887"+i).style.display='none';
			$("action_99887_"+i).className='postbackselected0';
		}
	}
}