function poner_castellano() {
    forEach(getElementsByTagAndClassName(null, 'castellano'), function (i) {removeElementClass(i, 'invisible')})
    forEach(getElementsByTagAndClassName(null, 'euskera'), function (i) {addElementClass(i, 'invisible')})
    forEach(getElementsByTagAndClassName(null, 'ingles'), function (i) {addElementClass(i, 'invisible')})
}

function poner_euskera() {
    forEach(getElementsByTagAndClassName(null, 'castellano'), function (i) {addElementClass(i, 'invisible')})
    forEach(getElementsByTagAndClassName(null, 'euskera'), function (i) {removeElementClass(i, 'invisible')})
    forEach(getElementsByTagAndClassName(null, 'ingles'), function (i) {addElementClass(i, 'invisible')})
}
    
function poner_ingles() {
    forEach(getElementsByTagAndClassName(null, 'castellano'), function (i) {addElementClass(i, 'invisible')})
    forEach(getElementsByTagAndClassName(null, 'euskera'), function (i) {addElementClass(i, 'invisible')})
    forEach(getElementsByTagAndClassName(null, 'ingles'), function (i) {removeElementClass(i, 'invisible')})
}

function gup( name ){
	var regexS = "[\?&]"+name+"=([^&#]*)";
	var regex = new RegExp ( regexS );
	var tmpURL = window.location.href;
	var results = regex.exec( tmpURL );
	if( results == null )
		return"";
	else
		return results[1];
}

function poner_idioma() {
    var lang = gup('lang')

    if (lang == 'en') poner_ingles()
    else if (lang == 'eu') poner_euskera()
    else poner_castellano()

}

function __init__() {
  poner_idioma()
}