<!--
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) { //v4.0
  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 && document.getElementById) x=document.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 AuthUser () {
 document.FormLogin.submit();
}

function ResetUser () {
 document.FormLogin.reset();
}

function NoAuth () {
    alert ("              Non avete i permessi per accedere a questo documento.\nPer accedere è necessario essere abbonati alla rivista e, quindi, autenticarsi.");
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}


function isValid (myStr) {
myReIllegalString = new RegExp("[^A-Za-z0-9-_ ]", "g")
return (!myReIllegalString.test(myStr));
}

function isValidExChar (myStr) {
myReIllegalString = new RegExp("[^A-Za-z0-9-_ /\'\.,\\\\àèéìòù]", "g")
return (!myReIllegalString.test(myStr));
}

function isValidExtraChar (myStr) {
myReIllegalStringExtraChar = new RegExp("[^A-Za-z0-9-_&\. ]", "g")
return (!myReIllegalStringExtraChar.test(myStr));
}

function isEmail(myStr) {
myReIsEMail = new RegExp("^[A-Za-z0-9_][A-Za-z0-9_\.-]*@[A-Za-z0-9][A-Za-z0-9_\.-]*\\.[A-Za-z][A-Za-z][A-Za-z]?$");
return (myReIsEMail.test(myStr));
}

function isNumber(myStr) {
myReIsNotNumber = new RegExp("[^0-9]", "g")
return (!myReIsNotNumber.test(myStr));
}

function isEmpty(myStr) {
if (myStr=="") 
  return (true);
else
  return (false);
}


function isNChar(myStr, myNChar) {
if (myStr.length==myNChar) 
  return (true);
else
  return (false);
}


function verificaGiornoMese(mygiorno, mymese, myanno)
{
		days="0";
		if(mygiorno==0 && mymese==0 && myanno==0){ return (false);}
		if(mymese>12) {	return (false);	}
		if (mymese==1 || mymese==3 || mymese==5 || mymese==7 || mymese==8 || mymese==10 || mymese==12)  days=31;
		else if (mymese==4 || mymese==6 || mymese==9 || mymese==11) days=30;
		    else if (mymese==2) 
		   {
		     if (Annobisestile(myanno)) {days=29; }
			 else { days=28; }
		   }
		if(days==0)	{return (false);}
		
		if (mygiorno > days){return (false);}
		else return(true);
}
function Annobisestile (myanno)
{
		if (!(((myanno % 4)==0) && (((myanno % 100)!=0) || ((myanno % 400)==0))))
		{
		return (false);
		} 
		else return(true);
}

function checkNumber(myStr)
{
var myStr;
    if (isNaN(myStr.replace(',','.'))) return false;   
    else return true;
}


function checkData(PeriodoI)
{
    var myTmpError=""
    var mygiorno ="0";
	var mymese ="0";
	var myanno="0";  
  	mydata= new Array
	dividiData=new String(PeriodoI);
	pattern = "/"
	mydata=dividiData.split(pattern);
	if(mydata.length==3) {
		mygiorno = mydata[0];
		mymese = mydata[1];
		myanno= mydata[2];
	    if (!checkNumber(mygiorno)||!checkNumber(mymese)||!checkNumber(myanno))
          myTmpError="Inserire solo valori numerici";
		else {
	      if ((mygiorno.length!=2) || (mymese.length!=2))
            myTmpError="Il giorno e il mese devono essere di due cifre";
          if (myanno.length!=4) {
            if (myTmpError!="") myTmpError=myTmpError+"\n";
            myTmpError=myTmpError+"L'anno deve essere di 4 cifre";
          }
		  if (!verificaGiornoMese(mygiorno,mymese,myanno)) {
            if (myTmpError!="") myTmpError=myTmpError+"\n";
            myTmpError=myTmpError+"Inserire la data corretta";
          }
        }
	}
	else myTmpError="Inserire la data corretta";
	return(myTmpError);
}

//-->