function openNewWindow(URLtoOpen, windowName, windowFeatures) { 
  newWindow=window.open(URLtoOpen, windowName, windowFeatures);
}

function sitepolicy() {
    openNewWindow("http://www.aflac-ikiru.com/policy.html", "thewin", "width=550, height=617, menubar=no, toolbar=no, scrollbars=yes");
}