function rollOn(obj){
	obj.className=obj.className.replace('_Off','_On');
}

function rollOff(obj){
	obj.className=obj.className.replace('_On','_Off');
}

function muestraOcultaSubBt(idlayer){
	if(document.getElementById(idlayer).className=='gDisplayNone'){
		document.getElementById(idlayer).className='gDisplayBlock';
	}else{
		document.getElementById(idlayer).className='gDisplayNone';
	}
}

function apagaSubBotonera(){
	for(i=0;i<10;i++){
		objsubbotonera=document.getElementById('submenu'+i);
		objsubbotonera.className=objsubbotonera.className.replace('_On','_Off');		
	}
}

//function cambiaEstadoOn(obj,subbotonera){
function cambiaEstadoOn(id_seccion){
	if(id_seccion != -1){
		//subbotonera = "submenu"+id_seccion;
		//objsubbotoneraactual=document.getElementById(subbotonera);
		obj = document.getElementById("menu"+id_seccion);
		obj.className=obj.className.replace('_Off','_On');
		//apagaSubBotonera();
		//objsubbotoneraactual.className=objsubbotoneraactual.className.replace('_Off','_On');		
	}
}

//function cambiaEstadoOff(obj,subbotonera){
function cambiaEstadoOff(id_seccion){
	obj = document.getElementById("menu"+id_seccion);
	//subbotorena = "submenu"+id_seccion;
	//objsubbotoneraactual=document.getElementById("submenu"+id_seccion_global);
	if(id_seccion!=id_seccion_global)
		obj.className=obj.className.replace('_On','_Off');
	//apagaSubBotonera();
	//objsubbotoneraactual.className=objsubbotoneraactual.className.replace('_Off','_On');
}

function estadoOn(id){cambiaEstadoOn(document.getElementById(id));}
function estadoOff(id){cambiaEstadoOff(document.getElementById(id));}

function foo(id) {
  return  document.getElementById(id) ?  true : false;
}

function rollLatOn(id){
	if (foo('botboletin') && foo('botrss') && foo('botbuscador') && foo('bothemeroteca')){
		rollOff(document.getElementById('botboletin'));
		rollOff(document.getElementById('botrss'));
		rollOff(document.getElementById('botbuscador'));
		rollOff(document.getElementById('bothemeroteca'));
		}
	if (foo('botmasleido') && foo('botmascomentado')){
		rollOff(document.getElementById('botmasleido'));
		rollOff(document.getElementById('botmascomentado'));
	}	
	if (foo('botboletin') && foo('botrss') && foo('botbuscador') && foo('bothemeroteca')){
		document.getElementById('boletin').style.display='none';
		document.getElementById('rss').style.display='none';
		document.getElementById('buscador').style.display='none';
		document.getElementById('hemeroteca').style.display='none';
	}
	if (foo('masleido') && foo('mascomentado')){
		document.getElementById('masleido').style.display='none';
		document.getElementById('mascomentado').style.display='none';
	} 
	document.getElementById(id).style.display='block';
	rollOn(document.getElementById('bot'+id));
	document.getElementById(id).style.display='block';
	rollOn(document.getElementById('bot'+id));
}

function modificatamanotipografia(val,obj){
	var par=document.getElementById(obj);
	var clds=par.childNodes;
	for (var z0=0;z0<clds.length;z0++){
		if (clds[z0].nodeName=='DIV' || clds[z0].nodeName=='A'){
			if(val==1){
				clds[z0].className=clds[z0].className.replace('_2','_3');
				clds[z0].className=clds[z0].className.replace('_1','_2');
			}else{
				clds[z0].className=clds[z0].className.replace('_2','_1');
				clds[z0].className=clds[z0].className.replace('_3','_2');
			}
		}
	}
}