function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,"width=700,height=466");
}

function MM_openBrWindowA(theURL,winName,features) { //v2.0
  window.open(theURL,winName,"width=700,height=550");
}

function MM_openBrWindowC1(theURL,winName,features) { //v2.0
  window.open(theURL,winName,"width=600,height=550");
}

function MM_openBrWindowC2(theURL,winName,features) { //v2.0
  window.open(theURL,winName,"width=381,height=550");
}

function esconder(id,accion){
	if (accion == 'esconder')
		document.getElementById(id).style.visibility = "hidden";
	else
		document.getElementById(id).style.visibility = "visible";
}