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];}
}
// if window is resized reload page NN4
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);

// preload images
function MM_preload() {
	MM_preloadImages(
	                    "image/header/menu/congressi_n.gif",
	                    "image/header/menu/congressi_s.gif",
	                    "image/header/menu/contatti_n.gif",
	                    "image/header/menu/contatti_s.gif",
	                    "image/header/menu/english_n.gif",
	                    "image/header/menu/english_s.gif",
	                    "image/header/menu/footercongressi_n.gif",
	                    "image/header/menu/footercongressi_s.gif",
	                    "image/header/menu/footercontatti_n.gif",
	                    "image/header/menu/footercontatti_s.gif",
	                    "image/header/menu/footerhome_n.gif",
	                    "image/header/menu/footerhome_s.gif",
	                    "image/header/menu/footermodulorichiesta_n.gif",
	                    "image/header/menu/footermodulorichiesta_s.gif",
	                    "image/header/menu/footernews_n.gif",
	                    "image/header/menu/footernews_s.gif",
	                    "image/header/menu/footerphotogallery_n.gif",
	                    "image/header/menu/footerphotogallery_s.gif",
	                    "image/header/menu/footerservizi_n.gif",
	                    "image/header/menu/footerservizi_s.gif",
	                    "image/header/menu/footerstoria_n.gif",
	                    "image/header/menu/footerstoria_s.gif",
	                    "image/header/menu/footersupporto_n.gif",
	                    "image/header/menu/footersupporto_s.gif",
	                    "image/header/menu/home_n.gif",
	                    "image/header/menu/home_s.gif",
	                    "image/header/menu/modulorichiesta_n.gif",
	                    "image/header/menu/modulorichiesta_s.gif",
	                    "image/header/menu/news_n.gif",
	                    "image/header/menu/news_s.gif",
	                    "image/header/menu/photogallery_n.gif",
	                    "image/header/menu/photogallery_s.gif",
	                    "image/header/menu/servizi_n.gif",
	                    "image/header/menu/servizi_s.gif",
	                    "image/header/menu/storia_n.gif",
	                    "image/header/menu/storia_s.gif",
	                    "image/header/menu/supporto_n.gif",
	                    "image/header/menu/supporto_s.gif",
	                    "image/header/menu/en/congressi_n.gif",
	                    "image/header/menu/en/congressi_s.gif",
	                    "image/header/menu/en/contatti_n.gif",
	                    "image/header/menu/en/contatti_s.gif",
	                    "image/header/menu/en/italiano_n.gif",
	                    "image/header/menu/en/italiano_s.gif",
	                    "image/header/menu/en/footercongressi_n.gif",
	                    "image/header/menu/en/footercongressi_s.gif",
	                    "image/header/menu/en/footercontatti_n.gif",
	                    "image/header/menu/en/footercontatti_s.gif",
	                    "image/header/menu/en/footerhome_n.gif",
	                    "image/header/menu/en/footerhome_s.gif",
	                    "image/header/menu/en/footermodulorichiesta_n.gif",
	                    "image/header/menu/en/footermodulorichiesta_s.gif",
	                    "image/header/menu/en/footernews_n.gif",
	                    "image/header/menu/en/footernews_s.gif",
	                    "image/header/menu/en/footerphotogallery_n.gif",
	                    "image/header/menu/en/footerphotogallery_s.gif",
	                    "image/header/menu/en/footerservizi_n.gif",
	                    "image/header/menu/en/footerservizi_s.gif",
	                    "image/header/menu/en/footerstoria_n.gif",
	                    "image/header/menu/en/footerstoria_s.gif",
	                    "image/header/menu/en/footersupporto_n.gif",
	                    "image/header/menu/en/footersupporto_s.gif",
	                    "image/header/menu/en/home_n.gif",
	                    "image/header/menu/en/home_s.gif",
	                    "image/header/menu/en/modulorichiesta_n.gif",
	                    "image/header/menu/en/modulorichiesta_s.gif",
	                    "image/header/menu/en/news_n.gif",
	                    "image/header/menu/en/news_s.gif",
	                    "image/header/menu/en/photogallery_n.gif",
	                    "image/header/menu/en/photogallery_s.gif",
	                    "image/header/menu/en/servizi_n.gif",
	                    "image/header/menu/en/servizi_s.gif",
	                    "image/header/menu/en/storia_n.gif",
	                    "image/header/menu/en/storia_s.gif",
	                    "image/header/menu/en/supporto_n.gif",
	                    "image/header/menu/en/supporto_s.gif"
					);
}