function email(){
  var email = document.getElementById('email');
  var text = document.getElementById('text');
  var who = email.value;  
  var what = text.value;

  ax = ajaxInit('includes/mail.php', 'alert');
  ax.setVar('who', who);
  ax.setVar('what', what);
  ax.runAJAX();

  email.value = "";
  text.value = "";

  setTimeout("opacity('alertbox', 100, 0, 2000);", 2000);
}

function ajaxInit(page, element){
  var ax = new sack();
  ax.requestFile = page;
  ax.method = 'post';
  ax.element = element;
  return ax;
}

function content(n){
  ax = ajaxInit('content-'+n+'.php', 'content');
  ax.runAJAX();
  ax = ajaxInit('section-'+n+'.php', 'section');
  ax.runAJAX();
  window.setTimeout("filler()", 1000);
  window.setTimeout("insertJS()", 1000);
}

function insertJS(){
  var $s = document.createElement('script');
  $s.type = 'text/javascript';
  $s.text = document.getElementById('js').innerHTML;
  document.body.appendChild($s);
}

function menuOn(n){
  m = document.getElementById('m'+n);
  m.src = 'images/m'+n+'-on.png';
}

function menuOff(n){
  m = document.getElementById('m'+n);
  m.src = 'images/m'+n+'-off.png';
}

function thumb(id, met){
  th = document.getElementById(id);
  if(met == 'on') th.src = 'images/screens/'+id+'-c.jpg';
  if(met == 'off') th.src = 'images/screens/'+id+'.jpg';
}

function filler(){
  var content = window.document.getElementById('content').offsetHeight;
  var size = (content - 735);
  var j = Math.round(size / 150);
  var img1 = "";
  var img2 = "";
  for(i = 1; i < j-1; i++)
  {
    img1 = img1 + "<img src='images/index-007.jpg' height='180'><br>"
    img2 = img2 + "<img src='images/index-008.jpg' height='180'><br>"
  }

  document.getElementById('filler-1').innerHTML = img1;
  document.getElementById('filler-2').innerHTML = img2;
}

function opacity(id, opacStart, opacEnd, millisec, current){ 
  var speed = Math.round(millisec / 85); 
  var timer = 0; 

  if(opacStart > opacEnd)
  { 
    for(i = opacStart; i >= opacEnd; i--)
    { 
      setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed)); 
      timer++; 
    }
    if(current == 'start') setTimeout("window.location='index2.php'", 1000); 
  }
  else if(opacStart < opacEnd)
  { 
    for(i = opacStart; i <= opacEnd; i++) 
    {
      setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed)); 
      timer++;
    }
  } 
} 

function changeOpac(opacity, id){ 
  var object = document.getElementById(id).style; 
  object.opacity = (opacity / 100); 
  object.MozOpacity = (opacity / 100); 
  object.KhtmlOpacity = (opacity / 100); 
  object.filter = "alpha(opacity=" + opacity + ")";
}