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

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

			if(file_id!='sp_bosung'){
				closeIt('sp_bosung');
			}
			
			if(file_id!='sp_dinhduong'){
				closeIt('sp_dinhduong');
			}
			
			if(file_id!='sp_sinhhoc'){
				closeIt('sp_sinhhoc');
			}	
			
			if(file_id!='thamkhao'){
				closeIt('thamkhao');
			}			
			
			if(file_id!='chuyende'){
				closeIt('chuyende');
			}			
			
			if(file_id!='trieuchung'){
				closeIt('trieuchung');
			}			
			
		}
		else{
			closeIt(file_id)
		}
	}
	function expanIt(file_id){
		var item_action;
		switch(file_id){

				case 'sp_tanduoc' :
				item_action = document.getElementById('sp_tanduoc_list');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_tanduoc_1');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_tanduoc_2');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_tanduoc_3');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_tanduoc_4');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_tanduoc_5');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_tanduoc_6');
				if(item_action!=null)	item_action.style.display = '';
				break;
				
				case 'sp_thaoduoc' :
				item_action = document.getElementById('sp_thaoduoc_list');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_thaoduoc_1');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_thaoduoc_2');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_thaoduoc_3');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_thaoduoc_4');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_thaoduoc_5');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_thaoduoc_6');
				if(item_action!=null)	item_action.style.display = '';
				break;
				
				case 'sp_bosung' :
				item_action = document.getElementById('sp_bosung_list');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_bosung_1');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_bosung_2');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_bosung_3');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_bosung_4');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_bosung_5');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_bosung_6');
				if(item_action!=null)	item_action.style.display = '';
				break;
				
				case 'sp_dinhduong' :
				item_action = document.getElementById('sp_dinhduong_list');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_dinhduong_1');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_dinhduong_2');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_dinhduong_3');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_dinhduong_4');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_dinhduong_5');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_dinhduong_6');
				if(item_action!=null)	item_action.style.display = '';
				break;
				
				case 'sp_sinhhoc' :
				item_action = document.getElementById('sp_sinhhoc_list');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_sinhhoc_1');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_sinhhoc_2');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_sinhhoc_3');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_sinhhoc_4');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_sinhhoc_5');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sp_sinhhoc_6');
				if(item_action!=null)	item_action.style.display = '';
				break;
				
				case 'thamkhao' :
				item_action = document.getElementById('thamkhao_list');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('thamkhao_1');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('thamkhao_2');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('thamkhao_3');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('thamkhao_4');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('thamkhao_5');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('thamkhao_6');
				if(item_action!=null)	item_action.style.display = '';
				break;
				
				case 'chuyende' :
				item_action = document.getElementById('chuyende_list');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('chuyende_1');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('chuyende_2');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('chuyende_3');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('chuyende_4');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('chuyende_5');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('chuyende_6');
				if(item_action!=null)	item_action.style.display = '';
				break;
				
				case 'trieuchung' :
				item_action = document.getElementById('trieuchung_list');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('trieuchung_1');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('trieuchung_2');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('trieuchung_3');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('trieuchung_4');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('trieuchung_5');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('trieuchung_6');
				if(item_action!=null)	item_action.style.display = '';
				break;
		}
		return ;
	}
	function closeIt(file_id){
		var item_action;
		switch(file_id){
			    
				case 'sp_tanduoc' :
				item_action = document.getElementById('sp_tanduoc_list');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_tanduoc_1');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_tanduoc_2');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_tanduoc_3');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_tanduoc_4');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_tanduoc_5');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_tanduoc_6');
				if(item_action!=null)	item_action.style.display = 'none';
				break;
				
				case 'sp_thaoduoc' :
				item_action = document.getElementById('sp_thaoduoc_list');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_thaoduoc_1');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_thaoduoc_2');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_thaoduoc_3');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_thaoduoc_4');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_thaoduoc_5');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_thaoduoc_6');
				if(item_action!=null)	item_action.style.display = 'none';
				break;

				case 'sp_bosung' :
				item_action = document.getElementById('sp_bosung_list');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_bosung_1');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_bosung_2');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_bosung_3');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_bosung_4');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_bosung_5');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_bosung_6');
				if(item_action!=null)	item_action.style.display = 'none';
				break;

				case 'sp_dinhduong' :
				item_action = document.getElementById('sp_dinhduong_list');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_dinhduong_1');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_dinhduong_2');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_dinhduong_3');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_dinhduong_4');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_dinhduong_5');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_dinhduong_6');
				if(item_action!=null)	item_action.style.display = 'none';
				break;

				case 'sp_sinhhoc' :
				item_action = document.getElementById('sp_sinhhoc_list');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_sinhhoc_1');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_sinhhoc_2');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_sinhhoc_3');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_sinhhoc_4');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_sinhhoc_5');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sp_sinhhoc_6');
				if(item_action!=null)	item_action.style.display = 'none';
				break;
				
				case 'thamkhao' :
				item_action = document.getElementById('thamkhao_list');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('thamkhao_1');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('thamkhao_2');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('thamkhao_3');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('thamkhao_4');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('thamkhao_5');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('thamkhao_6');
				if(item_action!=null)	item_action.style.display = 'none';
				break;
				
				case 'chuyende' :
				item_action = document.getElementById('chuyende_list');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('chuyende_1');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('chuyende_2');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('chuyende_3');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('chuyende_4');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('chuyende_5');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('chuyende_6');
				if(item_action!=null)	item_action.style.display = 'none';
				break;
				
				case 'trieuchung' :
				item_action = document.getElementById('trieuchung_list');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('trieuchung_1');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('trieuchung_2');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('trieuchung_3');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('trieuchung_4');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('trieuchung_5');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('trieuchung_6');
				if(item_action!=null)	item_action.style.display = 'none';
				break;
		}
		return ;
	}