// FUNZIONI MENU **************************************************************


function getCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
  } else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}

// LIST ALL SHOW/HIDE ELEMENT IDS HERE
menus_array = new Array ('wp1', 'wp2', 'wp3',
'wp4','reports','structure','procedures','dissemination','documents',
'collaborating_projects','news','jobs','sitemap');
menus_array2 = new Array ('about', 'infrastructure', 'applications',
'training', 'agenda', 'docs','newsroom', 'link', 'contact','sitemap');
menus_status_array = new Array ();// remembers state of switches
menus_status_array2 = new Array();
img_close = '_images/expandbutton-close.gif';
img_open = '_images/expandbutton-open.gif';

function showHideSwitch (theid) {
  if (document.getElementById) {
    var switch_id = document.getElementById(theid);
    var imgid = theid+'Button';
    var button_id = document.getElementById(imgid);
    if (menus_status_array[theid] != 'show') {
      
      switch_id.className = 'showSwitch';
	  menus_status_array[theid] = 'show';
	  document.cookie = theid+'=show';
    }else{
      
      switch_id.className = 'hideSwitch';
	  menus_status_array[theid] = 'hide';
	  document.cookie = theid+'=hide';
    }
  }
}

function showHideSwitch2 (theid) {
  if (document.getElementById) {
    var switch_id = document.getElementById(theid);
    var imgid = theid+'Button';
    var button_id = document.getElementById(imgid);
    if (menus_status_array2[theid] != 'show') {

      switch_id.className = 'showSwitch';
          menus_status_array2[theid] = 'show';
          document.cookie = theid+'=show';
    }else{

      switch_id.className = 'hideSwitch';
          menus_status_array2[theid] = 'hide';
          document.cookie = theid+'=hide';
    }
  }
}


function resetMenu () { // read cookies and set menus to last visited state
  if (document.getElementById) {
    for (var i=0; i<menus_array.length; i++) {
      var idname = menus_array[i];
      var switch_id = document.getElementById(idname);
      var imgid = idname+'Button';
      var button_id = document.getElementById(imgid);
      if (getCookie(idname) == 'show') {
	    
        switch_id.className = 'showSwitch';
	    menus_status_array [idname] = 'show';
	  }else{
	    
        switch_id.className = 'hideSwitch';
	    menus_status_array [idname] = 'hide';
	  }
    }
  }
}

function resetMenu2 () { // read cookies and set menus to last visited state
  if (document.getElementById) {
    for (var i=0; i<menus_array2.length; i++) {
      var idname = menus_array2[i];
      var switch_id = document.getElementById(idname);
      var imgid = idname+'Button';
      var button_id = document.getElementById(imgid);
      if (getCookie(idname) == 'show') {

        switch_id.className = 'showSwitch';
            menus_status_array2 [idname] = 'show';
          }else{

        switch_id.className = 'hideSwitch';
            menus_status_array2 [idname] = 'hide';
          }
    }
  }
}

// FINE FUNZIONI MENU ********************************************************

// FUNZIONI SWAP IMAGES AND RELOADING WINDOW ******************

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if
((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight;
onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH)
location.reload();
}
MM_reloadPage(true);

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_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_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];}
}

// FINE FUNZIONI SWAP IMAGES AND RELOADING WINDOW ****************************


function saveScrollPositions(theForm) {<br />
	theForm = getObject(theForm);<br />
	if(theForm) {<br />
		var scrolly = typeof window.pageYOffset != ‘undefined’ ? window.pageYOffset : document.documentElement.scrollTop;<br />
		var scrollx = typeof window.pageXOffset != ‘undefined’ ? window.pageXOffset : document.documentElement.scrollLeft;<br />
                // theForm.scrollx and theForm.scrolly are hidden form fields<br />
                // that will hold the X and Y scoll values when the form is submitted<br />
		theForm.scrollx.value = scrollx;<br />
		theForm.scrolly.value = scrolly;<br />
	}<br />
}