document.write('<input type=hidden name="env_screenres"  value="' + env_screenres  + '" />');
document.write('<input type=hidden name="env_colordepth" value="' + env_colordepth + '-bit" />');
document.write('<input type=hidden name="env_js"         value="' + env_js         + '" />');
document.write('<input type=hidden name="env_cookies"    value="' + env_cookies    + '" />');
document.write('<input type=hidden name="env_images"     value="' + env_images     + '" />');
document.write('<input type=hidden name="env_flash"      value="' + env_flash      + '" />');
document.write('<input type=hidden name="env_country"    value="' + env_country    + '" />');
document.write('<input type=hidden name="env_language"   value="' + env_language   + '" />');
document.write('<input type=hidden name="env_os"         value="' + env_os         + '" />');
document.write('<input type=hidden name="env_browser"    value="' + env_browser    + '" />');