var num
var used = new Array
var ads = new Array(
'
',
'
',
'
',
'
',
'
',
'
',
'
',
'
',
'
',
'
',
'
',
'
',
'
',
'
',
'
',
'
',
'
',
'
',
'
'
)
var numbers = 0
while (numbers < ads.length)
{
num = (Math.floor(Math.random() * ads.length))
var usednums = used.length
var flag = "go"
var i
for (i = 0; i < usednums; i++)
{
if (used[i] == num)
{
flag = "stop"
}
}
if (flag == "go")
{
used.push(num)
numbers++
}
}
var x
var y
for (x in used)
{
y = used[x]
document.write("" + ads[y] + "
")
}