function StringArray (n) {
  this.length = n;
  for (var i =1; i <= n; i++) {
    this[i] = ' '

  }
}

list0 = new StringArray(5)
list0[0] = 'Mel.jpg'
list0[1] = 'announce.jpg'
list0[2] = 'b17-jkj.jpg'
list0[3] = 'members.jpg'
list0[4] = 'NetControl.jpg'

list1 = new StringArray(11)
list1[0] = 'tank.jpg'
list1[1] = 'ChuckGal.jpg'
list1[2] = 'painter.jpg'
list1[3] = 'random1.jpg'
list1[4] = 'random2.jpg'
list1[5] = 'random3.jpg'
list1[6] = 'BobGes.jpg'
list1[7] = 'NewTable.jpg'
list1[8] = 'BikeRide.jpg'
list1[9] = 'CaroStu.jpg'
list1[10] = 'DaveN.jpg'

list2 = new StringArray(2)
list2[0] = 'DDH.jpg'
list2[1] = 'DDH2.jpg'

var currentdate = new Date();

function getimage(imglist, more) {
    index = Math.floor(currentdate.getSeconds() % imglist.length)
    return(imglist[index])
}

function useimage(imglist, more) {
    document.write("<img src='" +getimage(imglist)+ "' " + more + ">")
}

function listall(imglist, more) {
  for (var index = 0; index < imglist.length; ++index) {
    document.write("<br>" + index + "<img src='" +imglist[index]+ "' " + more + ">");
    document.write("" +imglist[index]+ "<br>\n");
  }
}