function doAction(file_id){
		var item_action = document.getElementById(file_id+'_list');
		if(item_action.style.display=='none'){			
			expanIt(file_id);
					
			if(file_id!='vn'){
				closeIt('vn');
			}

			if(file_id!='lao'){
				closeIt('lao');
			}

			if(file_id!='campuchia'){
				closeIt('campuchia');
			}

			if(file_id!='trungquoc'){
				closeIt('trungquoc');
			}

}
		else{
			closeIt(file_id)
		}
	}
	function expanIt(file_id){
		var item_action;
		switch(file_id){

				case 'vn' :
				item_action = document.getElementById('vn_list');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('vn_1');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('vn_2');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('vn_3');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('vn_4');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('vn_5');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('vn_6');
				if(item_action!=null)	item_action.style.display = '';
				break;				

				case 'lao' :
				item_action = document.getElementById('lao_list');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('lao_1');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('lao_2');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('lao_3');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('lao_4');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('lao_5');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('lao_6');
				if(item_action!=null)	item_action.style.display = '';
				break;	

				case 'campuchia' :
				item_action = document.getElementById('campuchia_list');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('campuchia_1');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('campuchia_2');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('campuchia_3');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('campuchia_4');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('campuchia_5');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('campuchia_6');
				if(item_action!=null)	item_action.style.display = '';
				break;	

				case 'trungquoc' :
				item_action = document.getElementById('trungquoc_list');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('trungquoc_1');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('trungquoc_2');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('trungquoc_3');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('trungquoc_4');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('trungquoc_5');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('trungquoc_6');
				if(item_action!=null)	item_action.style.display = '';
				break;	
			
		}
		return ;
	}
	function closeIt(file_id){
		var item_action;
		switch(file_id){
			    
				case 'vn' :
				item_action = document.getElementById('vn_list');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('vn_1');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('vn_2');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('vn_3');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('vn_4');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('vn_5');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('vn_6');
				if(item_action!=null)	item_action.style.display = 'none';
				break;	

				case 'lao' :
				item_action = document.getElementById('lao_list');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('lao_1');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('lao_2');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('lao_3');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('lao_4');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('lao_5');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('lao_6');
				if(item_action!=null)	item_action.style.display = 'none';
				break;	

				case 'campuchia' :
				item_action = document.getElementById('campuchia_list');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('campuchia_1');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('campuchia_2');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('campuchia_3');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('campuchia_4');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('campuchia_5');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('campuchia_6');
				if(item_action!=null)	item_action.style.display = 'none';
				break;	

				case 'trungquoc' :
				item_action = document.getElementById('trungquoc_list');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('trungquoc_1');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('trungquoc_2');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('trungquoc_3');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('trungquoc_4');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('trungquoc_5');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('trungquoc_6');
				if(item_action!=null)	item_action.style.display = 'none';
				break;


		}
		return ;
	}