//***********************************************************
//FUNZIONI:
// 
//function IsInteger(numero)
//
//function checkEuro(strImporto)
//
//function checkData(strData)
//
//function GlobalTrim(ss)
//
//function controlla_iva(stringa)
//
//function controlla_tel_fax(stringa)
//
//function controlla_mail(stringa)
//
//function checkCAP(CAPStr)
//
//function checkPIVA (PIVAStr)
//
//function checkCFiscale(CFiscaleStr)
//
//function controlla_numero(stringa)
//
//***********************************************************

function IsInteger(numero) {
	blnOk = new Boolean(true);
	objNumero = new String(numero);
	blnOk = (objNumero.length > 0);
	for(i=1;i<=objNumero.length;i++)
		{
		if(blnOk)
			{
			blnOk = (objNumero.charCodeAt(objNumero.length-i)>=48  && objNumero.charCodeAt(objNumero.length-i)<=57);
			}
		}
	
	return blnOk;
}

function checkEuro(strImporto) {
	blnOk = new Boolean(true);
	objEuro = new String(strImporto);
	arrEuro = new Array();
	arrEuro = objEuro.split(',');
	blnOk = (arrEuro.length <= 2);
	if(blnOk && arrEuro.length > 1) blnOk = (arrEuro[1].length <= 2);
	if(blnOk)
		{
		objEuro = arrEuro[0];
		for(i=1;i<=objEuro.length;i++)
			{
			if(blnOk)
				{
				//if(i != 4) 
					blnOk = (objEuro.charCodeAt(objEuro.length-i)>=48 && objEuro.charCodeAt(objEuro.length-i)<=57);
				//else
				//	blnOk = objEuro.charCodeAt(objEuro.length-i)==46;
				}
			}
		}
	return blnOk;
}

function checkData(strData) {
	blnOk = new Boolean(true);
	objData = new String(strData);
	arrData = new Array();
	blnOk = (objData.length == 10);
	if(blnOk)
		{
		arrData = objData.split('/');
		blnOk = (arrData.length == 3);
		}
	if(blnOk) blnOk = (objData.charCodeAt([2])==47 && objData.charCodeAt([5])==47);
	//prima cifra del giorno
	if(blnOk) blnOk = (objData.charCodeAt([0])>=48 && objData.charCodeAt([0])<=51);
	//seconda cifra del giorno
	if(blnOk) blnOk = (objData.charCodeAt([1])>=48 && objData.charCodeAt([1])<=57);
	//prima cifra del mese
	if(blnOk) blnOk = (objData.charCodeAt([3])>=48 && objData.charCodeAt([3])<=49);
	//seconda cifra del mese
	if(blnOk) blnOk = (objData.charCodeAt([4])>=48 && objData.charCodeAt([4])<=57);
	//prima cifra dell'anno
	if(blnOk) blnOk = (objData.charCodeAt([6])==50 || objData.charCodeAt([6])==49);
	//seconda cifra dell'anno
	if(blnOk) blnOk = (objData.charCodeAt([7])==48 || objData.charCodeAt([7])==57);
	//terza cifra dell'anno
	if(blnOk) blnOk = (objData.charCodeAt([8])>=48 && objData.charCodeAt([8])<=57);
	//quarta cifra dell'anno
	if(blnOk) blnOk = (objData.charCodeAt([9])>=48 && objData.charCodeAt([9])<=57);
	//controllo mese < 12
	if(blnOk)
		{
		intMese = parseInt(arrData[1])
		blnOk = intMese <= 12;
		}	
	//in funzione del mese controllo del giorno
	if(blnOk)
		{
		intGiorno = parseInt(arrData[0])
		if(intMese == 11 || intMese == 4 || intMese == 6 || intMese == 9)
				blnOk = intGiorno <= 30;
		else
			{
			if(intMese == 2) 
				{
				intAnno = parseInt(arrData[2])
				blnOk = intGiorno <= 28;
				if(intAnno%4 == 0 && intAnno%100 !=0)
					blnOk = intGiorno <= 29;
				else
					blnOk = intGiorno <= 28;
				}
			else
				blnOk = intGiorno <= 31;				
			}
		}
	return blnOk;
}

function trim(stringa){
    while (stringa.substring(0,1) == ' '){
        stringa = stringa.substring(1, stringa.length);
    }
    while (stringa.substring(stringa.length-1, stringa.length) == ' '){
        stringa = stringa.substring(0,stringa.length-1);
    }
    return stringa;
}

function checkMail(emailStr) {
  var emailPat=/^(.+)@(.+)$/
  var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
  var validChars="\[^\\s" + specialChars + "\]"
  var quotedUser="(\"[^\"]*\")"
  var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
  var atom=validChars + '+'
  var word="(" + atom + "|" + quotedUser + ")"
  var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
  var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
  var matchArray=emailStr.match(emailPat)
  if (matchArray==null) {return false}
  var user=matchArray[1]
  var domain=matchArray[2]
  if (user.match(userPat)==null) {return false}
  var IPArray=domain.match(ipDomainPat)
  if (IPArray!=null) {
    for (var i=1;i<=4;i++) {
      if (IPArray[i]>255) {return false}
    }
    return true
  }
  var domainArray=domain.match(domainPat)
  if (domainArray==null) {return false}
  var atomPat=new RegExp(atom,"g")
  var domArr=domain.match(atomPat)
  var len=domArr.length
  if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>3) {return false}
  if (len<2) {return false}
  return true;
}

function checkCAP(CAPStr) {
var CAPRegExp = /^\d{5}$/;
var blnOK = true;
var arrCCAP = CAPStr.match (CAPRegExp);
	if (arrCCAP == null)
		blnOK = false;
	return blnOK;
}

function checkPIVA(PIVAStr) {
var blnOK = true;
var PIVARegExp = /^\d{11}$/;
var arrCPIVA = PIVAStr.match (PIVARegExp);
	if (arrCPIVA == null) {
		blnOK = false;
	}	
	return blnOK;
}

function checkCFiscale(CFiscaleStr) {
var blnOK = true;
var CFiscaleRegExp = /^[A-Z]{6}\d{2}[A-Z]\d{2}[A-Z]\d{3}[A-Z]$/;
var arrCCFiscale = CFiscaleStr.match (CFiscaleRegExp);
	if (arrCCFiscale == null)
		blnOK = false;
	return blnOK;
}

function checkInteger(IntegerStr) {
var blnOK = true;
var IntegerRegExp = /^\d*$/;
var arrInteger = IntegerStr.match (IntegerRegExp);
	if (arrInteger == null)
		blnOK = false;
	return blnOK;

}

function checkTextarea(stringa, lunghezza) {
	if (stringa.length <= lunghezza) {
		return true;
	} else {
		return false;
	}
}