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

			if((file_id!='sanpham')&&(file_id!='docquyen')){
				closeIt('sanpham');
				closeIt('docquyen');
			}


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

				case 'gioithieu' :
				item_action = document.getElementById('gioithieu_list');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('gioithieu_1');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('gioithieu_2');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('gioithieu_3');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('gioithieu_4');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('gioithieu_5');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('gioithieu_6');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('gioithieu_7');
				if(item_action!=null)	item_action.style.display = '';
				break;
				
				case 'sanpham' :
				item_action = document.getElementById('sanpham_list');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sanpham_1');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sanpham_2');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sanpham_3');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sanpham_4');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('sanpham_5');
				if(item_action!=null)	item_action.style.display = '';
				break;


				case 'docquyen' :
				item_action = document.getElementById('docquyen_list');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('docquyen_1');
				if(item_action!=null)	item_action.style.display = '';
				item_action = document.getElementById('docquyen_2');
				if(item_action!=null)	item_action.style.display = '';
				break;
		}
		return ;
	}
	function closeIt(file_id){
		var item_action;
		switch(file_id){
			    
				case 'gioithieu' :
				item_action = document.getElementById('gioithieu_list');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('gioithieu_1');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('gioithieu_2');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('gioithieu_3');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('gioithieu_4');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('gioithieu_5');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('gioithieu_6');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('gioithieu_7');
				if(item_action!=null)	item_action.style.display = 'none';
				break;

				case 'sanpham' :
				item_action = document.getElementById('sanpham_list');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sanpham_1');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sanpham_2');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sanpham_3');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sanpham_4');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('sanpham_5');
				if(item_action!=null)	item_action.style.display = 'none';
				break;

				case 'docquyen' :
				item_action = document.getElementById('docquyen_list');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('docquyen_1');
				if(item_action!=null)	item_action.style.display = 'none';
				item_action = document.getElementById('docquyen_2');
				if(item_action!=null)	item_action.style.display = 'none';
				break;
		}
		return ;
	}