/* 
 NAVIGATION AND PAGE LOAD BEHAVIORS v.052407  
 JIM HANSON: http://www.mountainpad.com
*/

addLoadListener(prepareNav);

function prepareNav(){
  if(!document.getElementById) return false;
  if(!document.getElementsByTagName) return false;
  var timeOut  = '';
  var nav      = document.getElementById("nav");
  var links    = nav.getElementsByTagName("a");
  for(var i = 0; i < links.length; i++){
    var href = links[i].getAttribute("href");
    links[i].onmouseover = function(){
      moveIt(this.href);
      if(timeOut){
        clearTimeout(timeOut);
      }
    }
    links[i].onmouseout = function(){
      timeOut = setTimeout("moveIt()", 1000);
    }
  }
}

function moveIt(id) {
 if(!id){
  var page = document.getElementsByTagName("body")[0].getAttribute("id");
 }
 else{
  var url = id.split('/');
  var wantedIndex = url.length - 1;
  var page = url[url.length - 1].split('.')[0];
 }
  var offset;
  switch (page) {
   case 'index': break;
   case 'ardent-ehome': break;
   case 'aboutus': offset = 24; break;
   case 'e-aboutus': offset = 24; break;
   case 'ie': offset = 48; break;
   case 'e-ie': offset = 62; break;
   case 'products': offset = 86; break;
   case 'e-products': offset = 100; break;
   case 'services': offset = 110; break;
   case 'e-services': offset = 124; break;
   case 'seminars': offset = 136; break;
   case 'e-seminars': offset = 150; break;
   case 'jobs': offset = 162; break;
   case 'e-jobs': offset = 176; break;
   case 'contactus': offset = 188; break;
   case 'e-contactus': offset = 202; break;
  }
  var ulnode = document.getElementById('nav').getElementsByTagName('ul');
  var uln = ulnode[0];
  uln.style.background = 'transparent url(images/slider.gif) '+ (!offset ? '' : '0 '+ offset +'px') +' no-repeat';
}


document.onclick = function(e){
  var target = e ? e.target : window.event.srcElement;
  while (target && !/^(a|body)$/i.test(target.nodeName)){
    target = target.parentNode;
  }
  if (target && target.getAttribute('rel') && target.rel == 'external'){
    var external = window.open(target.href);
    return external.closed;
  }
}


function addLoadListener(fn){
  if (typeof window.addEventListener != 'undefined'){
    window.addEventListener('load', fn, false);
  }
  else if (typeof document.addEventListener != 'undefined'){
    document.addEventListener('load', fn, false);
  }
  else if (typeof window.attachEvent != 'undefined'){
    window.attachEvent('onload', fn);
  }
  else{
    var oldfn = window.onload;
    if (typeof window.onload != 'function'){
      window.onload = fn;
    }
    else{
      window.onload = function(){
        oldfn();
        fn();
      };
    }
  }
}

function MM_preloadImages() { //v3.0
  var d=document; 
  if(d.images){ 
   if(!d.MM_p){
    d.MM_p=new Array();
   }
   var i, j=d.MM_p.length, a=MM_preloadImages.arguments; 
    for(i=0; i<a.length; i++){
      if (a[i].indexOf("#")!=0){ 
         d.MM_p[j]=new Image; 
      }
      d.MM_p[j++].src=a[i];
    }
  }
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}