opa=0;
opacnt=1;
timer=15;

function FadeInstr() {
  fadein_menu= "fadein_menu";
  fadein_contents = "fadein_contents";
  MyImg1 = document.getElementById(fadein_menu);
  MyImg2 = document.getElementById(fadein_contents);
  MyImg1.style.visibility = "visible";
  MyImg2.style.visibility = "visible";
  FadeIn(fadein_contents,opa);
  FadeIn(fadein_menu, opa);
}

function FadeIn(fade_inId,opa) {
  if (opa <= 100) {
    document.getElementById(fade_inId).style.filter = "alpha(opacity:"+opa+")";
    document.getElementById(fade_inId).style.opacity = opa/100;
    opa += opacnt;
    setTimeout("FadeIn('"+fade_inId+"',"+opa+")", timer);
  }
}