function popupwin(strUrl) { var URL = 'http://www.mindthegapyear.com/'+strUrl; var winw = 600; var winh = 450; var winl = (screen.width - winw) / 2; // Places the popup in the cetre of the screen, var wint = (screen.height - winh) / 2; // vertically and horizontally. var winProps = 'width='+winw+',height='+winh+',top='+wint+',left='+winl+',menubar=no,resizable=no,scrollbars=no,status=no,toolbar=no'; window.open(URL, '', winProps); } function winclose () { window.close(); }