var iMax = 8
var aUnused = new Array(iMax)
var iUsed = iMax

function refreshArray (){
for (iTmp=0;iTmp<iMax;iTmp++) aUnused[iTmp] = true
iUsed = 0
}

function fetchNum(){
if (iUsed == iMax) refreshArray()
do {
var iRandom = Math.round(Math.random() * iMax)
} while (!aUnused[iRandom])
aUnused[iRandom] = false
iUsed++
return iRandom
}

function rand_number(n)
{
var x;
x=Math.round(Math.random()*100);
x%=n;
return x;
}

function show_main_image()
{
document.getElementById("swapme").src = 'images/slides/terry.jpg';

var interval = (Math.random() * 6 + 2); // delay between rotation (in seconds)
interval *= 1000;
setTimeout("show_images()", interval);

}


function show_images()
{

var i;
var interval = (Math.random() * 6 + 2); // delay between rotation (in seconds)
interval *= 1000;
var img = new Array();

img[0]='images/slides/astrid.jpg';
img[1]='images/slides/koy.jpg';
img[2]='images/slides/glass.jpg';
img[3]='images/slides/grisman.jpg';
img[4]='images/slides/laurie.jpg';
img[5]='images/slides/monk.jpg';
img[6]='images/slides/tanyas.jpg';
img[7]='images/slides/laurie2.jpg';

i=fetchNum()

document.getElementById("swapme").src = img[i];

setTimeout("show_images()",interval);

}