exit from iframe

exit_from_iframe.js

var getParameterByName = function(name) {
    name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
    var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
        results = regex.exec(location.search);
    return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
};
exit_url = getParameterByName('exit_url');
if(exit_url){
  window.location = exit_url;
} else {
  window.close();
}