/*
Made by Martial Boissonneault © 2002-2003 http://getElementById.com/
May be used and changed freely as long as this msg is intact
Visit http://getElementById.com/ for more free scripts and tutorials.
Modified by Avanzaweb htp://avanzaweb.net on June 2008
*/
var ns4 = (document.layers);
var ie4 = (document.all && !document.getElementById);
var ie5 = (document.all && document.getElementById);
var ns6 = (!document.all && document.getElementById);
function show(id){
// Netscape 4
if(ns4){
document.layers['esp'].visibility = "hide";
document.layers['eng'].visibility = "hide";
	/*if ((id)=='esp')
	{
		document.layers['boton2'].visibility = "visible";
		document.layers['boton'].visibility = "hide";
	}
	if ((id)=='eng')
	{
		document.layers['boton'].visibility = "visible";
		document.layers['boton2'].visibility = "hide";
	}*/
//document.layers['boton'].visibility = "hide";
document.layers[id].visibility = "show";
}
// Explorer 4
else if(ie4){
document.all['esp'].style.visibility = "hidden";
document.all['eng'].style.visibility = "hidden";
/*document.all['boton'].style.visibility = "hidden";
document.all['boton2'].style.visibility = "hidden";*/
document.all[id].style.visibility = "visible";
}
// W3C - Explorer 5+ and Netscape 6+
else if(ie5 || ns6){
document.getElementById('esp').style.visibility = "hidden";
document.getElementById('eng').style.visibility = "hidden";
/*document.getElementById('boton').style.visibility = "hidden";
document.getElementById('boton2').style.visibility = "hidden";*/
document.getElementById(id).style.visibility = "visible";
}
}
function hide(id){
// Netscape 4
if(ns4){
document.layers[id].visibility = "hide";
}
// Explorer 4
else if(ie4){
document.all[id].style.visibility = "hidden";
//document.all[id].style.backgroundImage="url(../images/button_esp2.gif)";
}
// W3C - Explorer 5+ and Netscape 6+
else if(ie5 || ns6){
document.getElementById(id).style.visibility = "hidden";
//document.getElementById(id).style.backgroundImage="url(../images/button_esp2.gif)";

}
}

function cambiar_boton(id){

if (id=='esp')

{
	/*document.layers['boton'].backgroundImage="url(../images/button_espb.gif)";
	document.layers['boton2'].backgroundImage="url(../images/button_engb.gif)";*/
	document.getElementById('boton').style.backgroundImage="url(../images/button_espb.gif)";
	document.getElementById('boton2').style.backgroundImage="url(../images/button_engb.gif)";
}
if (id=='eng')
{document.getElementById('boton').style.backgroundImage="url(../images/button_esp.gif)";
document.getElementById('boton2').style.backgroundImage="url(../images/button_esp2.gif)";}

}