function AddFavorite() 
{ 
  if(window.external) 
     external.AddFavorite(location.href, document.title)
  else 
    alert("Sorry, your browser doesn't support this feature.");
}

function expandIt(){
	hts = screen.height - 310; 
	document.getElementById('expandMe').style.height = hts;
}

function expandItHome(){
	hts = screen.height - 400; 
	document.getElementById('expandMe').style.height = hts;
}

function mostrar(a){
if (document.getElementById(a).style.display =='') {
    document.getElementById(a).style.display = 'none';
   }
   else {
    document.getElementById(a).style.display='';
    }
}