function stylechange(style){
		document.getElementById("submenu_"+style).className= style;
}


function switchContenido()
{
	if (document.getElementById("div_recomendar").style.display == "")
	{
		document.getElementById("img_recomendar").src = "img/recomendanos.gif";
		document.getElementById("div_recomendar").style.display = "none";
	}
	else
	{
		document.getElementById("img_recomendar").src = "img/recomendanos2.gif";
		document.getElementById("div_recomendar").style.display = "";
	}
}