function doAction(file_id){
		var item_action = document.getElementById(file_id+'_list');
		if(item_action.style.display=='none'){			
			expanIt(file_id);
					
			if(file_id!='sanpham01'){
				closeIt('sanpham01');
			}

			if(file_id!='sanpham02'){
				closeIt('sanpham02');
			}

			if(file_id!='sanpham03'){
				closeIt('sanpham03');
			}

			if(file_id!='sanpham04'){
				closeIt('sanpham04');
			}

			if(file_id!='sanpham05'){
				closeIt('sanpham05');
			}

			if(file_id!='sanpham06'){
				closeIt('sanpham06');
			}


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

				case 'sanpham01' :
				item_action = document.getElementById('sanpham01_list');
				if(item_action!=null)	item_action.style.display = '';
				break;				

				case 'sanpham02' :
				item_action = document.getElementById('sanpham02_list');
				if(item_action!=null)	item_action.style.display = '';
				break;				

				case 'sanpham03' :
				item_action = document.getElementById('sanpham03_list');
				if(item_action!=null)	item_action.style.display = '';
				break;				

				case 'sanpham04' :
				item_action = document.getElementById('sanpham04_list');
				if(item_action!=null)	item_action.style.display = '';
				break;				

				case 'sanpham05' :
				item_action = document.getElementById('sanpham05_list');
				if(item_action!=null)	item_action.style.display = '';
				break;				

				case 'sanpham06' :
				item_action = document.getElementById('sanpham06_list');
				if(item_action!=null)	item_action.style.display = '';
				break;				


		}
		return ;
	}
	function closeIt(file_id){
		var item_action;
		switch(file_id){
			    
				case 'sanpham01' :
				item_action = document.getElementById('sanpham01_list');
				if(item_action!=null)	item_action.style.display = 'none';
				break;	

				case 'sanpham02' :
				item_action = document.getElementById('sanpham02_list');
				if(item_action!=null)	item_action.style.display = 'none';
				break;	

				case 'sanpham03' :
				item_action = document.getElementById('sanpham03_list');
				if(item_action!=null)	item_action.style.display = 'none';
				break;	

				case 'sanpham04' :
				item_action = document.getElementById('sanpham04_list');
				if(item_action!=null)	item_action.style.display = 'none';
				break;	

				case 'sanpham05' :
				item_action = document.getElementById('sanpham05_list');
				if(item_action!=null)	item_action.style.display = 'none';
				break;	

				case 'sanpham06' :
				item_action = document.getElementById('sanpham06_list');
				if(item_action!=null)	item_action.style.display = 'none';
				break;	

		}
		return ;
	}