var speed = 10;
var step = 4;
var hide = 15000;
var moveto = 25;

var left = -350;
function movein(){
  if (document.layers) {
        document.layers['message'].pageX = window.pageXOffset + left;
        left+=step;
        if(left<moveto){ setTimeout('movein()',speed); }
        else { setTimeout('closemessage()',hide); }
    }
   
  else{
       document.getElementById('message').style.left=left+'px';
       left+=step;
       if(left<moveto){ setTimeout('movein()',speed); }
       else { setTimeout('closemessage()',hide); }
  }
}
function closemessage(){
        if (document.layers) {document.layers['message'].visibility='hidden';}
        else{document.getElementById('message').style.visibility='hidden';}
}