// JavaScript Document

var ImageArray0 = ['images/left_img1.jpg','images/left_img2.jpg','images/left_img3.jpg'];
var ImageArray1 = ['images/right_img1.jpg','images/right_img2.jpg','images/right_img3.jpg'];

function ImgColumn(pickID,ImgArr) {
  var str = '';
  var ImgNo = Math.floor(Math.random()*ImgArr.length);
  str += '<div>';
  str += '<IMG id="'+pickID+'" SRC="'+ImgArr[ImgNo]+'" value="'+ImgNo+'"';
  str += ' alt="'+ImgArr[ImgNo]+'">';
  str += '</div>';
  return str;
}