// util.js
var frms = [ 
  {name: 'HOME', level: 0, parentId: -1, page:'home.htm', height: 520}, 
  {name: 'AZIENDA', level: 0, parentId: -1, page:'azienda.htm', height: 540},
  {name: 'SERVIZI', level: 0, parentId: -1, page:'servizi.htm', height: 590},
  {name: 'CONSULENZA', level: 0, parentId: -1, page:'consulenza.htm', height: 500}, 
  {name: 'ASSISTENZA', level: 0, parentId: -1, page:'assistenza.htm', height: 400},  
  {name: 'SOLUZIONI', level: 0, parentId: -1, page:'soluzioni.htm', height: 840},
  {name: 'LAVORA CON NOI', level: 0, parentId: -1, page:'lavora.htm', height: 730},
  {name: 'CONTATTI', level: 0, parentId: -1, page:'contatti.htm', height: 400},  
  {name: 'SERVIZI', level: 1, parentId: 2, page:'gestionali.htm', height: 700},
  {name: 'SERVIZI', level: 1, parentId: 2, page:'tracking.htm', height: 700},
  {name: 'SERVIZI', level: 1, parentId: 2, page:'ict.htm', height: 700},  
  {name: 'SERVIZI', level: 2, parentId: 9, page:'personaltrack.htm', height: 540},
  {name: 'SERVIZI', level: 2, parentId: 9, page:'sicurezza.htm', height: 450},
  {name: 'SERVIZI', level: 2, parentId: 9, page:'flotte.htm', height: 1590},
  {name: 'CERTIFICATO', level: 1, parentId: 0, page:'certificato.htm', height: 1000}       
];

var curFrame = 0;
var ifrm = 'iframe';
var head = 'head';
var foot = 'foot';

function init(){ 
  //checkPng();
  window.onresize = function(){setPage();};
  setPage();
  document.getElementById(ifrm).src=frms[0].page;
  MM_preloadImages('img/dett_on.jpg','img/dett_on_down.jpg',
                   'img/entra_on.jpg','img/entra_on_down.jpg',
		   'img/back_on.jpg','img/back_on_down.jpg')
}

function setPage(){
  // Ricavo l'area utile
  pageW=document.layers?innerWidth:document.body.clientWidth;
  pageH=document.layers?innerHeight:document.body.clientHeight;
  var headOffset = document.getElementById(ifrm).offsetTop;
  var footOffset = document.getElementById(foot).offsetHeight + 10;
  document.getElementById(ifrm).style.height = pageH - headOffset - footOffset;
  
  //document.LoginForm.onkeypress=check_key;
  //document.LoginForm.username.focus();
}

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_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_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];}
}

function MM_swapFrame(ids){
  /*if (parseInt(document.getElementById(ifrm).style.height) > frms[ids].height){;
    MM_swapPage(ids);
    document.getElementById(ifrm).style.height = frms[ids].height+'px';
  }else{
    document.getElementById(ifrm).style.height = frms[ids].height+'px';*/
    MM_swapPage(ids);  
  //}
}

function MM_swapPage(ids){
  var pref = 'nav';
  document.getElementById(ifrm).src=frms[ids].page;  
  document.getElementById(pref+curFrame).innerHTML = '<a class="navh" href="#" onClick="MM_swapFrame('+curFrame+');return false;">' + frms[curFrame].name +'</a>';
  switch (frms[ids].level){
    case 1:
      document.getElementById(pref+frms[ids].parentId).innerHTML = frms[frms[ids].parentId].name;
      curFrame = frms[ids].parentId;
      break;
    case 2:
      document.getElementById(pref+frms[frms[ids].parentId].parentId).innerHTML = frms[frms[ids].parentId].name;
      curFrame = frms[frms[ids].parentId].parentId;
      break;
    default:
      document.getElementById(pref+ids).innerHTML = frms[ids].name;
      curFrame = ids;    
  }
}
function checkPng(){
  var arVersion = navigator.appVersion.split("MSIE")
  var version = parseFloat(arVersion[1])
  if ((version >= 5.5) && (version < 7) && (document.body.filters)) {
    for(var i=0; i<document.images.length; i++) {
      var img = document.images[i]
      var imgName = img.src.toUpperCase()
      if (imgName.substring(imgName.length-3, imgName.length) == "PNG"){
        var imgID = (img.id) ? "id='" + img.id + "' " : ""
        var imgClass = (img.className) ? "class='" + img.className + "' " : ""
        var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
        var imgStyle = "display:inline-block;" + img.style.cssText 
        if (img.align == "left") imgStyle = "float:left;" + imgStyle
        if (img.align == "right") imgStyle = "float:right;" + imgStyle
        if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
        var strNewHTML = "<span " + imgID + imgClass + imgTitle
          + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
          + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
          + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
        img.outerHTML = strNewHTML
        i = i-1
      }
    }
  }
}