function put_cookie(name,cookieValue){
		var today = new Date();
		var expire = new Date();
	
		expire.setTime(today.getTime() + 3600000*24*30);
		document.cookie = name+"="+escape(cookieValue)+ ";expires="+expire.toGMTString();
		
		if(cookieValue=="eng"){
			
			document.getElementById('thai').style.display='none';
			document.getElementById('eng').style.display='';
		}else if(cookieValue=='thai'){
			document.getElementById('eng').style.display='none';
			document.getElementById('thai').style.display='';
		}
	}
	
	function check_lang(lang){
		if(lang=="eng"){
			document.getElementById('eng').style.display='';
		}else if(lang=='thai'){
			document.getElementById('thai').style.display='';
		}else{
			document.getElementById('eng').style.display='';
		}
	}