var dioParams = {
    adsSrvDomain: 'appsrv.display.io', //mandatory
    cdnDomain: 'cdn.display.io', //mandatory
    fixedHeaderSelector : '.page-header', //mandatory if a webpage has a fixed header
    passbackTag: '', //script should be escaped
    headerText: 'Scroll to continue with content', //optional
    headerTextColor: 'white', //optional
    headerBackgroundColor: 'black', //optional
    adContainerBackgroundColor: 'transparent', //optional
    pageCategory: '', //optional, comma separated
    keywords:  '', //optional, comma separated
  };