function mostraOcultarPublicidad() {

var capa = document.getElementById('cabecera');
var capaInfoColumna = document.getElementById('infoColumna');

if (capa.style.display=='none') {
         capa.style.display=''
		 capaInfoColumna.style.display='none'
		 }
else {
         capa.style.display='none'
		 capaInfoColumna.style.display=''
		}

		
}


function mostraOcultarColumna() {

var capa = document.getElementById('columna');

if (capa.style.display=='none') 
         capa.style.display=''
else  capa.style.display='none'

		
}
		
function cerrarPopup(pid)   
 {      
    document.getElementById(pid).style.visibility = 'hidden';         
  }		
  
  
function scrollingDetector(){

	if (navigator.appName == "Microsoft Internet Explorer") {
		     return document.documentElement.scrollTop + document.body.scrollTop;
			 }
	else { return window.pageYOffset;
	}

}  
  
function rellenaPopup(pid,contenido)

{

 document.getElementById(pid).style.visibility = 'hidden';          
 document.getElementById(pid).style.top = (scrollingDetector()+300)+'px'
 document.getElementById(pid).style.visibility = '';         
 datos = '<table cellpadding=15 cellspacing=5><tr><td align="right"><a class=botonCerrar href="javascript: cerrarPopup(\'popup\');">X</a></td></tr><tr><td align=center>'+contenido+'</td></tr></table>';
 document.getElementById(pid).innerHTML=datos;

}