function security(){
   window.open ('securitystatement.html', 'security', config='width=400, height=410, left = 30, top = 30, toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, directories=no, status=no');
}

function privacy(){
   window.open ('privacypolicy.html', 'privacy', config='width=400, height=590, left = 30, top = 30, toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, directories=no, status=no');
}

function video(){
   window.open ('video_demos2.html', 'video', config='width=880, height=660, left = 10, top = 0, toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, directories=no, status=no');
}