// randon_images.js
//
<!--
// create constructor function for user defined image object
// _name: image URL
// _width: image width.
//         _width == 0 ==> image width undefined
// _height: image height;
//         _height == 0 ==> image height undefined
//
function image(_name, _width, _height) {
  this.name = _name;
  this.width = _width;
  this.height = _height;
}
//
function random_inicialize() {
  for(i = 1; i < 11; i++) {
    var idy = Math.floor(Math.random()*i);
  }
}
// define display size
var largura = 130;
var altura = 0;
//
// create array of image objects
landsat_123 = new Array();
landsat_123[0] = new image("../../imgs/random/landsat-123/demo03.jpg", largura, altura);
landsat_123[1] = new image("../../imgs/random/landsat-123/demo05.jpg", largura, altura);
landsat_123[2] = new image("../../imgs/random/landsat-123/demo06.jpg", largura, altura);
landsat_123[3] = new image("../../imgs/random/landsat-123/demo40.jpg", largura, altura);
landsat_123[4] = new image("../../imgs/random/landsat-123/demo41.jpg", largura, altura);
landsat_123[5] = new image("../../imgs/random/landsat-123/demo42.jpg", largura, altura);

//
landsat_57 = new Array();
landsat_57[0] = new image("../../imgs/random/landsat-57/demo01.jpg", largura, altura);
landsat_57[1] = new image("../../imgs/random/landsat-57/demo09.jpg", largura, altura);
landsat_57[2] = new image("../../imgs/random/landsat-57/demo18.jpg", largura, altura);
landsat_57[3] = new image("../../imgs/random/landsat-57/demo23.jpg", largura, altura);
landsat_57[4] = new image("../../imgs/random/landsat-57/demo27.jpg", largura, altura);
landsat_57[5] = new image("../../imgs/random/landsat-57/demo33.jpg", largura, altura);
//
cbers_2 = new Array();
cbers_2[0] = new image("../../imgs/random/cbers-2/image04.jpg", largura, altura);
cbers_2[1] = new image("../../imgs/random/cbers-2/image10.jpg", largura, altura);
cbers_2[2] = new image("../../imgs/random/cbers-2/image12.jpg", largura, altura);
cbers_2[3] = new image("../../imgs/random/cbers-2/image14.jpg", largura, altura);
cbers_2[4] = new image("../../imgs/random/cbers-2/image15.jpg", largura, altura);
cbers_2[5] = new image("../../imgs/random/cbers-2/image16.jpg", largura, altura);

//
// This function returns an image tag that can be written to the html document
function randomImageTag(imgs) {
  // index to the selected image
  var idx = Math.floor(Math.random() * imgs.length);
  var tag = "<img BORDER=\"0\"src=\"" + imgs[idx].name + "\"";
  // if image width is defined
  if (imgs[idx].width != 0)
    tag += " width=" + imgs[idx].width;
  // if image height is defined
  if (imgs[idx].height != 0)
    tag += " height=" + imgs[idx].height;
  tag += ">";
  return tag;
}
// -->