function showSlideShow() {
  slidenum++
  if (slidenum < slidecount) {
    top.right.location.href = myVideo[slidenum]
    top.under.location.href = myLyric[slidenum]
    msec=0
    sec=0
    min=0
    hour=0
  }
  if (slidenum == slidecount) {
    if (repeatshow) {
      slidenum = 1
      top.right.location.href = myVideo[slidenum]
      top.under.location.href = myLyric[slidenum]
    }
    else top.right.location.href = endpage
  }
  setTimeout("showSlideShow()", myTime[slidenum])
}