function mostrarMenu1() {
	
	var boton1 = document.getElementById("ranking");
	var menu1 = document.getElementById("submenu");
	
	boton1.onmouseover = function() {
		menu1.className = "block";
	}
	
	boton1.onmouseout = function() {
		menu1.className = "";
	}	
	
	menu1.onmouseover = function() {
		menu1.className = "block";
	}
	
	menu1.onmouseout = function() {
		menu1.className = "";
	}

}

//onload = mostrarMenu1;