function extlink(sUrl)
{
    var bLeave = confirm("You are about to leave Cumberland Advisors’ website.\nThe link you have selected is located on another server.  These links are provided as a convenience and a link does not imply Cumberland's sponsorship or approval of any of these sites.\nPlease click 'OK' to leave Cumberland's site and proceed to the selected site.");
    if(bLeave)
    {
        this.location.href=sUrl;
    }
}