function checkOpt(opt){
  if (opt.checked) {
	alert("Choosing not to receive HKTDC promotional materials via e-mail will not affect any existing subscription to HKTDC e-newsletters.")	
  }
}

var optout = ""
optout += "<font face='Arial' size=2>I confirm that I have read and agree with HKTDC's <a href='http://www.tdctrade.com/privacy/index.htm' target='_blank'>Privacy Policy Statement</a>."
optout += "<br><input type='checkbox' name='optout' value='N' onClick='checkOpt(this)'>Please check if you do not wish to receive promotional materials by email from HKTDC.<br>(Please contact our Customer Service at (852)1830668 or hktdc@tdc.org.hk if you do not wish to receive promotional materials by fax or mail from HKTDC.) </font> "
document.write(optout)