function ChooseGraphicLS() {

  var iRand = Math.floor(Math.random() * 5);

  var s='';

  switch (iRand) {

    case 0: s = 'photos/square1.jpg'; break;

    case 1: s = 'photos/square2.jpg'; break;

    case 2: s = 'photos/square3.jpg'; break;

    case 3: s = 'photos/square4.jpg'; break;

    case 4: s = 'photos/square5.jpg'; break;

}

document.write('<img src=\"' + s + '\">');

}




function ChooseGraphicRB() {

  var iRand = Math.floor(Math.random() * 4);

  var s='';

  switch (iRand) {

    case 0: s = 'photos/rightbar1.jpg'; break;

    case 1: s = 'photos/rightbar2.jpg'; break;

    case 2: s = 'photos/rightbar3.jpg'; break;

    case 3: s = 'photos/rightbar4.jpg'; break;

}

document.write('<img src=\"' + s + '\">');

}