// 周边
	var sh_zb = "zb1";	
	var green_tj = "tj1";
	var green_lxs = "lxs1";
	var yellow_qz =  "qz1"
	function sh(obj){	
		if(sh_zb == null)
		{
			sh_zb = obj.id;
		}
		document.getElementById(obj.id).className='zb_one';
		if(obj.id != sh_zb)
		{
			document.getElementById(sh_zb).className='zb_two';
			sh_zb = obj.id;
		}		
	}
// 出境	
	var green_cj = "cj1";	
	function chuyou(obj){	
		if(green_cj == null)
		{
			green_cj = obj.id;
		}
		document.getElementById(obj.id).className='green_one';
		if(obj.id != green_cj)
		{
			document.getElementById(green_cj).className='green_two';
			green_cj = obj.id;
		}		
	}
// 出国
	var green_cg = "cg1";	
	function chuguo(obj){	
		if(green_cg == null)
		{
			green_cg = obj.id;
		}
		document.getElementById(obj.id).className='green_one';
		if(obj.id != green_cg)
		{
			document.getElementById(green_cg).className='green_two';
			green_cg = obj.id;
		}		
	}
// 老年
	var yellow_ln = "ln1";	
	function laonian(obj){	
		if(yellow_ln == null)
		{
			yellow_ln = obj.id;
		}
		document.getElementById(obj.id).className='yellow_one';
		if(obj.id != yellow_ln)
		{
			document.getElementById(yellow_ln).className='yellow_two';
			yellow_ln = obj.id;
		}		
	}
// 自由行
	var yellow_zy = "zy1";	
	function ziyou(obj){	
		if(yellow_zy == null)
		{
			yellow_zy = obj.id;
		}
		document.getElementById(obj.id).className='yellow_one';
		if(obj.id != yellow_zy)
		{
			document.getElementById(yellow_zy).className='yellow_two';
			yellow_zy = obj.id;
		}		
	}
// 特价机票	
	function tejiapiao(obj){	
		if(green_tj == null)
		{
			green_tj = obj.id;
		}
		document.getElementById(obj.id).className='green_one';
		if(obj.id != green_tj)
		{
			document.getElementById(green_tj).className='green_two';
			green_tj = obj.id;
		}		
	}
// 留学生机票	
	function liuxuepiao(obj){	
		if(green_lxs == null)
		{
			green_lxs = obj.id;
		}
		document.getElementById(obj.id).className='green_one';
		if(obj.id != green_lxs)
		{
			document.getElementById(green_lxs).className='green_two';
			green_lxs = obj.id;
		}		
	}
// 签证	
	function qianzheng(obj){	
		if(yellow_qz == null)
		{
			yellow_qz = obj.id;
		}
		document.getElementById(obj.id).className='yellow_one';
		if(obj.id != yellow_qz)
		{
			document.getElementById(yellow_qz).className='yellow_two';
			yellow_qz = obj.id;
		}		
	}