function expadir(objName){
	
		for(var i = 0; i <= 3; i+=1 ){
			cerrar('panel'+i);
		}
		
		var obj = document.getElementById(objName);
		obj.style.display = "block";
						 				 
	} 	
	
function cerrar(objName){
	var obj = document.getElementById(objName);
	obj.style.display = "none";
}

function cerrarAndShowAD(objName){
	cerrar(objName);
	var obj = document.getElementById('panel0');
	obj.style.display = "block";
}