function moveElement(elementId,final_x,final_y,interval){

​

  if(!document.getElementById) return false;

  if(!document.getElementById(elementId)) return false;

  var elem = document.getElementById(elementId);

  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){

    xpos--;

  }

  if(xpos<final_x){

    xpos++;

  }

  if(ypos>final_y){

    ypos--;

  }

  if(ypos<final_y){

    ypos++;

  }

  elem.style.left = xpos + "px";

  elem.style.top = ypos + "px";

  var repeat = "moveElement('"+elementId+"',"+final_x+","+final_y+","+interval+")";

  movement = setTimeout(repeat,interval);

}

​

​

function addLoadEvent(func){

  var oldonload = window.onload;

  if( typeof window.onload != "function"){

    window.onload = func;

  }else{

    window.onload = function(){

      oldonload();

      func();

    }

  }}

  function positionMessage(){

    if(!document.getElementById) return false;

    if(!document.getElementById("message")) return false;

    var elem = document.getElementById("message");

    elem.style.position = "absolute";

    elem.style.left = "50px";

    elem.style.top = "100px";

    moveElement("message",200,100,10);

  }

  addLoadEvent(positionMessage);