var sideimagenum = 4;

function StringArray (n) {
  this.length = n;
  for (var i =1; i <= n; i++) {
    this[i] = ' '

  }
}

var image = new StringArray(3);
image[0] = '/images/cover_food1.jpg';
image[1] = '/images/cover_food2.jpg';
image[2] = '/images/cover_food3.jpg';

function ranimage() {
  return(image[Math.floor(Math.random()*image.length)])
}

var sideimage = new StringArray(8);
sideimage[0] = '/images/side01.jpg';
sideimage[1] = '/images/side02.jpg';
sideimage[2] = '/images/side03.jpg';
sideimage[3] = '/images/side3.jpg';
sideimage[4] = '/images/side04.jpg';
sideimage[5] = '/images/side4.jpg';
sideimage[6] = '/images/side5.jpg';
sideimage[7] = '/images/side7.jpg';

var sidecode=''
var imageno=Math.floor(Math.random()*sideimage.length);

function dosideimages(n) {
  for (i=0;i<n;i++) {
    sidecode+='<p><img src="' + sideimage[imageno] + '" width="120" height="90"></p>';
    imageno++;
    if (imageno==sideimage.length) {
      imageno=0;
    }
  }
  document.write(sidecode)
}