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_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

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];}
}

function popup(theURL, Name, popW, popH, options) 
{ 
    var winleft = (screen.width - popW) / 2; 
    var winUp = (screen.height - popH) / 2; 
    if (!options) { 
        options = 'scrollbars=no,resizable=no'; 
    } 
    winProp = 'width='+popW+',height='+popH+',left='+winleft+',top='+winUp+','+options; 
    Win = window.open(theURL, Name, winProp) 
    if (parseInt(navigator.appVersion) >= 4) { Win.window.focus(); } 
 
}

//menu con cambio immagine
function toggle(id, iName){
   if (document.all){
     if(document.all[id].style.display == 'none'){
       document.all[id].style.display = '';
	   // cambia immagine - stato attivo
	   document[iName].src = "http://www.tek-up.com/ita/img/menu_sx/m-"+iName+"2.gif";
     } else {
       document.all[id].style.display = 'none';
	   // cambia immagine - stato disattivo
	   document[iName].src = "http://www.tek-up.com/ita/img/menu_sx/m-"+iName+"1.gif";
     }
  return false;
   } else if (document.getElementById){
     if(document.getElementById(id).style.display == 'none'){
       document.getElementById(id).style.display = 'block';
	   // cambia immagine - stato attivo
	   document[iName].src = "http://www.tek-up.com/ita/img/menu_sx/m-"+iName+"2.gif";
     } else {
       document.getElementById(id).style.display = 'none';
	   // cambia immagine - stato disattivo
	   document[iName].src = "http://www.tek-up.com/ita/img/menu_sx/m-"+iName+"1.gif";
     }
  return false;
   }
 }