function moveElement(elementID,final_x,final_y,interval) {
  if (!document.getElementById) return false;
  if (!document.getElementById(elementID)) return false;
  var elem = document.getElementById(elementID);
  if (elem.movement) {
    clearTimeout(elem.movement);
  }
  if (!elem.style.left) {
    elem.style.left = "0px";
  }
  if (!elem.style.top) {
    elem.style.top = "0px";
  }
  var xpos = parseInt(elem.style.left);
  var ypos = parseInt(elem.style.top);
  if (xpos == final_x && ypos == final_y) {
    return true;
  }
  if (xpos < final_x) {
    var dist = Math.ceil((final_x - xpos)/5);
    xpos = xpos + dist;
  }
  if (xpos > final_x) {
    var dist = Math.ceil((xpos - final_x)/5);
    xpos = xpos - dist;
  }
  if (ypos < final_y) {
    var dist = Math.ceil((final_y - ypos)/5);
    ypos = ypos + dist;
  }
  if (ypos > final_y) {
    var dist = Math.ceil((ypos - final_y)/5);
    ypos = ypos - dist;
  }
  elem.style.left = xpos + "px";
  elem.style.top = ypos + "px";
  var repeat = "moveElement('"+elementID+"',"+final_x+","+final_y+","+interval+")";
  elem.movement = setTimeout(repeat,interval);
}

function prepareSlideshow() {
  if (!document.getElementsByTagName) return false;
  if (!document.getElementById) return false;
  if (!document.getElementById("gall")) return false;
  if (document.getElementById("web")) {

var bos = document.getElementById("bos");
bos.style.position = "absolute";
bos.style.left = "0px";
bos.style.top = "0px";

//var gall = document.getElementById("gall");
//var inks = gall.getElementsByTagName("a");

links[0].onmousedown = function() {
    moveElement("bos",0,0,7);
return false;
  }
  links[1].onmousedown = function() {
    moveElement("bos",-160,0,7);
return false;
  }
  links[2].onmousedown = function() {
    moveElement("bos",-320,0,7);
return false;
  }
  links[3].onmousedown = function() {
    moveElement("bos",-480,0,7);
return false;
  }
  links[4].onmousedown = function() {
    moveElement("bos",-640,0,7);
return false;
  }
  links[5].onmousedown = function() {
    moveElement("bos",-800,0,7);
return false;
  }
  links[6].onmousedown = function() {
    moveElement("bos",-960,0,7);
return false;
  }
  links[7].onmousedown = function() {
    moveElement("bos",-1120,0,7);
return false;
  }
  links[8].onmousedown = function() {
    moveElement("bos",-1280,0,7);
return false;
  }
  links[9].onmousedown = function() {
    moveElement("bos",-1440,0,7);
return false;
  }
  links[10].onmousedown = function() {
    moveElement("bos",-1600,0,7);
return false;
  }
}}