pic_width = 155;    /* change to match the height of all your images */
pic_height = 230;   /* change to match the width of all your images */
border_size = 0;    /* change to the border size you want on the images */
alignment = 0;      /* 0 = left; 1 = center */

/* define image urls */
if (document.images)
{
  pic1 = new Image(pic_width,pic_height);
  pic1.src = "/Portals/_AtHomeinCozumel/images/default/LHC_scuba_1.jpg";
  pic2 = new Image(pic_width,pic_height);
  pic2.src = "/Portals/_AtHomeinCozumel/images/default/LHC_scuba_2.jpg";
  pic3 = new Image(pic_width,pic_height);
  pic3.src = "/Portals/_AtHomeinCozumel/images/default/LHC_scuba_3.jpg";
  pic4 = new Image(pic_width,pic_height);
  pic4.src = "/Portals/_AtHomeinCozumel/images/default/LHC_scuba_4.jpg";
  pic5 = new Image(pic_width,pic_height);
  pic5.src = "/Portals/_AtHomeinCozumel/images/default/LHC_scuba_5.jpg";
    pic6 = new Image(pic_width,pic_height);
  pic6.src = "/Portals/_AtHomeinCozumel/images/default/LHC_scuba_6.jpg";
}

/* no need to edit past this point (unless you want to add more image slots) */
if (alignment==1)
{
  cent_it = "<center>";
  cent_it2 = "</center>";
}
else
{
  cent_it = "";
  cent_it2 = "";
}
 
function get_random(maxNum)
{
  if (Math.random && Math.round)
  {
    var ranNum = Math.round(Math.random() * (maxNum-1));
    ranNum += 1;
    return ranNum;
  }
  else
  {
    today = new Date();
    hours = today.getHours();
    mins = today.getMinutes();
    secn = today.getSeconds();
    if (hours == 19)
      hours=18;
    var ranNum = (((hours + 1) * (mins + 1) * secn) % maxNum) + 1;
    return ranNum;
  }
}

function get_Image()
{
  if (document.images)
  {
    var choose_one = get_random(6);
    choose_one--;

    var pics = new Array(5)
    pics[0] = pic1.src;
    pics[1] = pic2.src;
    pics[2] = pic3.src;
    pics[3] = pic4.src;
    pics[4] = pic5.src;
    pics[5] = pic6.src;

    document.write(cent_it + "<img src='"+pics[choose_one]+"' width='"+pic_width+"' height='"+pic_height+"' border='"+border_size+"'>" + cent_it2);
  }
}