var c=0
var s
function photoGallery()
{
if (c%10==0){
document.getElementById('photo-gallery').src = "img/random/1.jpg";
}
if (c%10==1){
document.getElementById('photo-gallery').src = "img/random/2.jpg";
}
if (c%10==2){
document.getElementById('photo-gallery').src = "img/random/3.jpg";
}
if (c%10==3){
document.getElementById('photo-gallery').src = "img/random/4.jpg";
}
if (c%10==4){
document.getElementById('photo-gallery').src = "img/random/5.jpg";
}
if (c%10==5){
document.getElementById('photo-gallery').src = "img/random/6.jpg";
}
if (c%10==6){
document.getElementById('photo-gallery').src = "img/random/7.jpg";
}
if (c%10==7){
document.getElementById('photo-gallery').src = "img/random/8.jpg";
}
if (c%10==8){
document.getElementById('photo-gallery').src = "img/random/9.jpg";
}
if (c%10==9){
document.getElementById('photo-gallery').src = "img/random/10.jpg";
}
if (c%13==10){
document.getElementById('photo-gallery').src = "img/random/11.jpg";
}
if (c%13==11){
document.getElementById('photo-gallery').src = "img/random/12.jpg";
}
if (c%13==12){
document.getElementById('photo-gallery').src = "img/random/13.jpg";
}
c=c+1
s=setTimeout("photoGallery()",3500)
}