function MarcarOpc(n,f)
{
	if (f) {
		document.getElementById("op"+n+"i").style.backgroundImage = "url(../imgs/cabecera/fmenui.gif)";
		document.getElementById("op"+n).style.backgroundColor = "#FFF";
		document.getElementById("op"+n+"d").style.backgroundImage = "url(../imgs/cabecera/fmenud.gif)";
		document.getElementById("aop"+n).style.color = "#038";
	}
	else {
		document.getElementById("op"+n+"i").style.backgroundImage = "";
		document.getElementById("op"+n).style.backgroundColor = "";
		document.getElementById("op"+n+"d").style.backgroundImage = "";
		document.getElementById("aop"+n).style.color = "#FFF";
	}
}