var celda;

function cambioColor(_celda, opcion){
	
	celda = document.getElementById(_celda);
	
	if (opcion == "entrar") {
		celda.style.backgroundColor = "#F6F6F6";
		celda.style.color = "#009900";
		//celda.style.fontWeight = "bolder";
	}else{
		celda.style.backgroundColor = 'white';
		celda.style.color = "Navy";
		//celda.style.fontWeight = "normal";
	}
}