text: document.addEventListener("DOMContentLoaded", function() {
    function updateNowlines() {
      const now = moment()
      document.querySelectorAll(".nowline").forEach(element => {
        const start = moment(element.parentElement.parentElement.dataset.start)
        const diff_seconds = now.diff(start, "seconds")
        const diff_px = (diff_seconds / 60 / 60) * 120
        element.style.top = diff_px + "px"
      })
    }
  
    function updateCurrentTalk() {
      const now = moment()
      document.querySelectorAll(".talk").forEach(element => {
        const start = moment(element.dataset.start)
        const end = moment(element.dataset.end)
        if (start < now && end > now) {
          element.classList.add("active")
        } else {
          element.classList.remove("active")
        }
      })
    }
  
    updateNowlines()
    document.querySelectorAll(".nowline").forEach(element => {
      element.style.visibility = "visible"
    })
  
    updateCurrentTalk()
  
    setInterval(updateNowlines, 60 * 60)
    setInterval(updateCurrentTalk, 60 * 60)
  })
  