strABC="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ&";
str123="0123456789";
strABC123=strABC + str123 + "/();.";
strABC123_=strABC123 + "_";
strABC123ext=strABC123_ + "@.-";


var dtCh= "-";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr)
{
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strDay=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		alert("Formatul de data trebuie sa fie : dd-mm-aaaa")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Introduceti o luna valida")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Introduceti o zi valida")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Introduceti un an valid intre "+minYear+" si "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Introduceti o data valida")
		return false
	}
return true
}




function check(string1,string2)
{
	var ok=true;
	if (string1.length==0){ok=false;}
	for (var i=0; i<string1.length; i++)
	{                 
		if (string2.indexOf(string1.charAt(i))==-1){ok=false;}
	}
		return ok;
}

function checkemail(em)
{
	var ok=true;
	if (em.length==0){ok=false;};
	check(em , strABC123ext);		
	if ( (em != "") && ((em.indexOf('@', 0) == -1) || (em.indexOf('.', 0) == -1) || (em.lastIndexOf('@') == em.length-1) ||(em.lastIndexOf('.') == em.length-1) ||(em.indexOf('@', 0) != em.lastIndexOf('@'))) ) {ok=false};
						
	return ok;
}

function checkPax(frm,i)
{
	
	nume=eval("frm.n_nume"+i).value;
	prenume=eval("frm.p_prenume"+i).value;
	sex=eval("frm.s_sex"+i);
	sex=sex[sex.selectedIndex].value;
	dataN=eval("frm.DdataN"+i).value;

	if (nume.length<3 || nume=="Numele*"||nume=="Numele")
	{
		alert("Introduceti numele pasagerilor");
		return false;
	}

	if (prenume.length<3 || prenume=="Prenumele*"|| prenume=="Prenumele" )
	{
		alert("Introduceti prenumele pasagerilor.");
		return false;
	}

	if (sex.length<1)
	{
		alert("Selectati sexul pasagerilor.");
		return false;
	}

	if (dataN.length<8 || dataN=="zz-ll-aaaa")
	{
		alert("Introduceti data nasterii pasagerilor in formatul zz-ll-aaa.");
		return false;
		
	}
	
	if(isDate(dataN) == false)
	{
		return false;
	}

	return true;
}
function check_date(frm,nrPax)
{
	
	var ok = true;
	var i=0;

	var nume = frm.nume.value;
	var prenume = frm.prenume.value;
	var sex= frm.sex[frm.sex.selectedIndex].value;
	var email = frm.email;
	var cemail = frm.cemail;
	var telefon = frm.telefon.value;
	var telefonm = frm.telefonm.value;
	var localitate = frm.localitate.value;
	var judet = frm.judet;
	var dataN = frm.dataN.value;
	
	var conditii = frm.conditii;
	var alteOferte = frm.alteOferte;
	var altaRezervare = frm.altaRezervare;
	//-----------------------
	

	//daca e persoana juridica
	var firma = frm.firma;
	var numef = frm.numef.value;
	var codf = frm.codf.value;
	var regcom = frm.regcom.value;
	//-----------------------
	var numef, numev;
	var prenumef, prenumev, j=0;

	if (nume.length<3 || nume=="Numele*")
	{
		alert("Nu ati introdus Numele persoanei care face Rezervarea.");
		return false;
	}

	if (prenume.length<3 || prenume == "Prenumele*" )
	{
		alert("Nu ati introdus Prenumele persoanei care face Rezervarea.");
		return false;
	}

	if (sex.length<1)
	{
		alert("Nu ati selectat Sexul persoanei care face Rezervarea.");
		return false;
	}

	if (dataN.length<8 || dataN=="zz-ll-aaaa")
	{
		alert("Introduceti data nasterii in formatul zz-ll-aaa.");
		return false;
		
	}
	if(isDate(dataN) == false)
	{
		return false;
	}
	
	if(judet.selectedIndex==0)
	{
		alert("Alegeti judetul in care locuiti!");
		return false;
	}

	if((telefon.length<5 || telefon=="Tel. fix*")&& (telefonm.length<5 || telefonm=="Tel. mobil*"))
	{
		alert("Introduceti cel putin un telefon valid");
		return false;
	}

	
	if (checkemail(email.value))
	{
		if(checkemail(cemail.value))
		{
			if(email.value != cemail.value)
			{
				alert("Introduceti aceeasi adresa de email.");
				return  false;
			}
		}
		else
		{
			alert("Introduceti o adresa de mail valida in campul Confirmati email");
			return false;
		}
	}
	else
	{
		alert("Introduceti o adresa valida de email.");
		return false;
	}

	
//-------------------------------------------------------------------------------------------------
// verificari firma
	if(firma.checked==true)
	{
		if(numef.length < 4 || numef=="Numele firmei*")
		{
			alert("Nu ati introdus numele firmei.");
			return false;
		}

		if(codf.length < 7 || codf=="Codul fiscal*")
		{
			alert("Nu ati introdus codul fiscal");
			return false;
		}

		if(regcom.length < 10 || regcom=="Reg. comertului*")
		{
			alert("Nu ati introdus nr registrul comertului.");
			return false;
		}
	}


	for(var i=1;i<=nrPax;i++)
	{
		if(!checkPax(frm,i))
			return false;
	}

	if((altaRezervare[0].checked==false)&&(altaRezervare[1].checked==false))
	{
		alert("Trebuie sa mentionati daca aveti sau nu rezervare la alta agentie de turism!\nIn cazul in care aveti rezervare la alta agentie exista riscul ca ambele rezervari sa va fie anulate");
		return false;
	}

	if((alteOferte[0].checked==false)&&(alteOferte[1].checked==false))
	{
		alert("Trebuie sa specificati daca doriti sau nu variante alternative ");
		return false;
	}

	if(conditii.checked==false)
	{
		alert("Trebuie sa fiti de acord cu termenii contractuali pentru a finaliza rezervarea!");
		return false;
	}

	return true;
}