function GetQueryString (name) { let reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)") let r = window.location.search.substr(1).match(reg) if (r != null) { return unescape(r[2]) } return null } let dt = GetQueryString('dt') let host = location.hostname let hostArr = host.split('.') let domainname = host.split(hostArr[0]) if (dt) { document.cookie = 'dashboard_ticket=' + dt + ';domain=' + domainname[1] + ';' } var time = Date.parse(new Date()) if ( time >=1585929600000 && time < 1586016000000) { var html = document.getElementsByTagName('html')[0] html.style.filter = 'grayscale(100%)' html.style.filter = 'progid:DXImageTransform.Microsoft.BasicImage(grayscale=1)' }