function gotoExternalUrl(externalUrl) 
{
    _gaq.push(['_trackEvent', 'ExternalLink', 'Click' , externalUrl]);
    window.location = externalUrl;
    return false;
}

function gotoSjmUrl(externalUrl) 
{
    storeCookie('sjmUrlDest', externalUrl);
    window.location = '/susan-jablon-mosaics-link.html';
    return false;
}

function storeCookie(cookieName, cookieValue) 
{
    document.cookie = cookieName + '=' + escape(cookieValue);
}

function getCookie(cookieName)
{
    var i,x,y,ARRcookies=document.cookie.split(";");
    for (i=0;i<ARRcookies.length;i++)
    {
      x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("="));
      y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1);
      x=x.replace(/^\s+|\s+$/g,"");
      if (x==cookieName)
        {
        return unescape(y);
        }
      }
}