//-- Generate a random number between 0 and max.
function randomNum(max) {
   var rNum
   rNum=Math.floor(Math.random()*(max))
   return rNum
}

//-- Set up array of images to choose from.
var pic = new Array()
pic[0]="../../graphics/template/template_02a.jpg"
pic[1]="../../graphics/template/template_02b.jpg"
pic[2]="../../graphics/template/template_02c.jpg"
pic[3]="../../graphics/template/template_02d.jpg"
pic[4]="../../graphics/template/template_02e.jpg"
pic[5]="../../graphics/template/template_02f.jpg"
pic[6]="../../graphics/template/template_02g.jpg"
pic[7]="../../graphics/template/template_02h.jpg"


function pictureWrite(num)
{
  imgTag='<td VALIGN="top" WIDTH=209 HEIGHT=156>'
  imgTag+='<img src='
  imgTag+=pic[num]
  imgTag+=' WIDTH=209 HEIGHT=156 alt="Welcome to Dovetail Gallery">'
  imgTag+='</td> '
  document.writeln (imgTag)
}

function calcDisplay()
{
ret = randomNum(8)

if(ret==0)
{
pictureWrite(0)
   }
if(ret==1)
{
pictureWrite(1)
   }
if(ret==2)
{
pictureWrite(2)
   }
if(ret==3)
{
pictureWrite(3)
   }
if(ret==4)
{
pictureWrite(4)
   }
if(ret==5)
{
pictureWrite(5)
   }
if(ret==6)
{
pictureWrite(6)
   }
if(ret==7)
{
pictureWrite(7)
   }
}