// JavaScript Document
  function changetitle()
  {
  var newtitle = mytitle[num]
  var thetitle = document.getElementById("thetitle")
  thetitle.firstChild.nodeValue=newtitle
  var newsize = mysize[num]
  var thetsize = document.getElementById("thesize")
  thesize.firstChild.nodeValue=newsize
  var newdate = mydate[num]
  var thedate = document.getElementById("thedate")
  thedate.firstChild.nodeValue=newdate
  }

 function slideshow()
  {
   num=num+1
   if (num==numImages+1)
    {num=1}
 document.mypic.src=eval("img"+num+".src")
 changetitle()
   }
   function backshow()
   {
   num=num-1
   if (num==0)
   {num=numImages}
   document.mypic.src=eval("img"+num+".src")
   changetitle()
   }