capture click from script loaded from external source and using iFrame

I am trying to capture the click event like [login to view URL] etc., but the code includes [login to view URL](); try { [login to view URL](); } more detail is like: (function() { var layer = [login to view URL]("Layer"); if (layer) { var listen = function(obj, e, fn) { if ([login to view URL]) { [login to view URL](e, fn, false); } else { [login to view URL]("on"+e, fn); } }; listen(layer, 'click', function (evt) { [login to view URL](); try { [login to view URL](); } catch (e) { /* ignore */ } [login to view URL]([login to view URL], '_blank'); }); } })(); this code is within iframe. I can share the screen and provide more details. expert in javascript can do this in 10min.