var jsVer = -1; function fpHelper() { var d = new Date(); var keys = screen.width+"!"+screen.height+"!"+screen.colorDepth+"!"+d.getTimezoneOffset(); if (navigator.plugins && navigator.plugins.length > 0) { var numPlugins = navigator.plugins.length; for (var i = 0; i < numPlugins; i++) { var plugin = navigator.plugins[i]; keys += plugin.name + "|" + plugin.description + "|" + plugin.filename; } } return keys; }