function ocultamenu(secId){
		var menu = document.getElementById(secId);
		menu.style.display = "none";
	}

	function despliega(secId){
		var menu = document.getElementById(secId);
    		if(menu.style.display == "none"){
      			menu.style.display = "block";
    		} else { 
			menu.style.display = "none";
    		}
	}


	var lastTabId = "";
	var lastSecId = "";
	function pestana(year){
		var newTab = document.getElementById('tab-'+year);
		var newSec = document.getElementById('listadopdf-'+year);
		
    		if(newTab){
			var lastTab = document.getElementById(lastTabId);
    			if(lastTab){
				lastTab.className = "";
    			}
			var lastSec = document.getElementById(lastSecId);
    			if(lastSec){
      				lastSec.style.display = "none";
    			}
      			newSec.style.display = "block";
			newTab.className = "active";
			lastTabId = 'tab-'+year;
			lastSecId = 'listadopdf-'+year;
    		}
	}