Imagen1= new Image(217,21)
Imagen1.src = "images/n1.gif"
Imagen1_o = new Image(217,21)
Imagen1_o.src = "images/n1_o.gif"

Imagen2= new Image(217,21)
Imagen2.src = "images/n2.gif"
Imagen2_o = new Image(217,21)
Imagen2_o.src = "images/n2_o.gif"

Imagen3= new Image(217,21)
Imagen3.src = "images/n3.gif"
Imagen3_o = new Image(217,21)
Imagen3_o.src = "images/n3_o.gif"

Imagen4= new Image(217,21)
Imagen4.src = "images/n4.gif"
Imagen4_o = new Image(217,21)
Imagen4_o.src = "images/n4_o.gif"

Imagen5= new Image(217,21)
Imagen5.src = "images/n5.gif"
Imagen5_o = new Image(217,21)
Imagen5_o.src = "images/n5_o.gif"

Imagen6= new Image(217,21)
Imagen6.src = "images/n6.gif"
Imagen6_o = new Image(217,21)
Imagen6_o.src = "images/n6_o.gif"

Imagen7= new Image(217,21)
Imagen7.src = "images/n7.gif"
Imagen7_o = new Image(217,21)
Imagen7_o.src = "images/n7_o.gif"


function SwapOut1() {
document.imageflip1.src = Imagen1_o.src; return true;
}
function SwapBack1() {
document.imageflip1.src = Imagen1.src; return true;
}

function SwapOut2() {
document.imageflip2.src = Imagen2_o.src; return true;
}
function SwapBack2() {
document.imageflip2.src = Imagen2.src; return true;
}

function SwapOut3() {
document.imageflip3.src = Imagen3_o.src; return true;
}
function SwapBack3() {
document.imageflip3.src = Imagen3.src; return true;
}

function SwapOut4() {
document.imageflip4.src = Imagen4_o.src; return true;
}
function SwapBack4() {
document.imageflip4.src = Imagen4.src; return true;
}

function SwapOut5() {
document.imageflip5.src = Imagen5_o.src; return true;
}
function SwapBack5() {
document.imageflip5.src = Imagen5.src; return true;
}

function SwapOut6() {
document.imageflip6.src = Imagen6_o.src; return true;
}
function SwapBack6() {
document.imageflip6.src = Imagen6.src; return true;
}

function SwapOut7() {
document.imageflip7.src = Imagen7_o.src; return true;
}
function SwapBack7() {
document.imageflip7.src = Imagen7.src; return true;
}

function pickimg(){
var imagenumber = 3 ;
var randomnumber = Math.random() ;
var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1;
images = new Array
images[1] = "images/photo0.jpg"
images[2] = "images/photo1.jpg"
images[3] = "images/photo2.jpg"

var image = images[rand1]
document.randimg.src = image
}