function bookmark(url,title){
  if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)) {
  window.external.AddFavorite(url,title);
  } else if (navigator.appName == "Netscape") {
    window.sidebar.addPanel(title,url,"");
  } else {
    alert("Press CTRL-D (Netscape) or CTRL-T (Opera) to bookmark");
  }
}

function vaciarclass ()
	{
	document.getElementById('tabscountries').className='none';
	document.getElementById('tabscontact').className='none';
	document.getElementById('tabsprogram').className='none';
	document.getElementById('countries').style.display='none';
	document.getElementById('contact').style.display ='none';
	document.getElementById('programs').style.display ='none';
 
	}
function tabsvalid()
	{
	document.getElementById('countries').style.display='none';
	document.getElementById('contact').style.display ='block';
	document.getElementById('tabscountries').className='none';
	document.getElementById('tabscontact').className='active';
	void(0)
	}