window.onload = quitarComentarios;

function quitarComentarios(){
	
	var todosLosSpan = document.getElementsByTagName('span');
		
	for (var i=0; i < todosLosSpan.length; i++){
		if (todosLosSpan[i].innerHTML == "Comentarios") {
			todosLosSpan[i].parentNode.parentNode.style.display = "none";
		}
	}
}