function apri(url,w,h){
  window.open(url,"","width="+w+",height="+h+"status=1")
}


function submit_on_enter(e){
  var keycode;
  if (window.event) keycode = window.event.keyCode;
  else if (e) keycode = e.which;
  else return true;
  if (keycode == 13) return check_and_submit();
}


function check_and_submit(){
  re1 = /^\s*$/
  if (re1.test(document.newsletterform.elements["email"].value)){
    document.newsletterform.elements["email"].focus();
    alert("Per iscriverti alla newsletter devi inserire il tuo indirizzo e-mail");
    return false;
  }
  re2 = /^\S+\@\S+\.\S+$/
  if (!re2.test(document.newsletterform.elements["email"].value)){
    document.newsletterform.elements["email"].focus();
    alert("Per iscriverti alla newsletter devi inserire un indirizzo e-mail valido");
    return false;
  }
  document.newsletterform.submit();
  return true;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

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 hideMenu(menuName){
		
		if(lyr = document.getElementById(menuName)) {
			lyr.style.display="none";
		}
                if(tab = document.getElementById('t-'+menuName)) {
			tab.className="tab-off";
		}
}

function hideMenus(){
		var arr_len = arrMenu.length;
		var arr_iterator = 0;
		
		for (arr_iterator; arr_iterator<arr_len; arr_iterator++){
			hideMenu(arrMenu[arr_iterator]);
		}
	}

function startMenu(menuName){
		hideMenus();
		if (menuName != null){
			if(lyr = document.getElementById(menuName)) {
				lyr.style.display="inline";
			}                        
                        if(tab = document.getElementById('t-'+menuName)) {                                
				tab.className="tab-on";
			}
		}
	}