function provjeri_pretragu(forma) {
var veljaca_maxdana = 28	// maximalan broj dana veljace u slucaju da nije prestupna godina
var today = new Date();
if (forma.godina_dolaska.value % 4 == 0) // ako je godina prestupna, veljaca ima 29 dana
veljaca_maxdana = 29

// provjeravam dal su datumi na formi uneseni ispravno
var datum_greska = 0 
var brojosoba_greska = 0
var nacin_placanja_greska = 0
var sifra_apartmana_greska = 0

// posatavljam gresku na nulu, u slucaju da se utvrdi greska 
// ova ce se varijabla postavit na 1
if ((forma.dan_dolaska.value == 31) & (  forma.mjesec_dolaska.value == 4 ||  forma.mjesec_dolaska.value == 6 
||  forma.mjesec_dolaska.value == 9 ||  forma.mjesec_dolaska.value == 11 )) datum_greska = 1
if ((forma.dan_odlaska.value == 31) & (  forma.mjesec_odlaska.value == 4 ||  forma.mjesec_odlaska.value == 6 
||  forma.mjesec_odlaska.value == 9 ||  forma.mjesec_odlaska.value == 11 )) datum_greska = 1
if ((forma.dan_dolaska.value > veljaca_maxdana ) & (  forma.mjesec_dolaska.value == 2 )) datum_greska = 1
if ((forma.dan_odlaska.value > veljaca_maxdana ) & (  forma.mjesec_odlaska.value == 2 )) datum_greska = 1

// sad treba provjerit dal je pocetak odmora manji od danasnjeg datuma, pa nakon toga provjerit dal je kraj odmora manji od pocetka odmora
if ((forma.dan_dolaska.value < today.getDate()) & (forma.mjesec_dolaska.value <= (today.getMonth()+1)) & (forma.godina_dolaska.value == today.getYear())) datum_greska = 1
if ((forma.mjesec_dolaska.value < (today.getMonth()+1)) & (forma.godina_dolaska.value == today.getYear())) datum_greska = 1
if (forma.godina_dolaska.value < today.getYear()) datum_greska = 1

// ovdje provjeravam dal je kraj prije pocetka
if ((Number(forma.dan_odlaska.value) <= Number(forma.dan_dolaska.value) ) & ( Number(forma.mjesec_odlaska.value) <= Number(forma.mjesec_dolaska.value) ) & (Number(forma.godina_odlaska.value) <= Number(forma.godina_dolaska.value))) datum_greska = 1;
if ((Number(forma.mjesec_odlaska.value) < Number(forma.mjesec_dolaska.value)) & (Number(forma.godina_odlaska.value) <= Number(forma.godina_dolaska.value))) datum_greska = 1
if (Number(forma.godina_odlaska.value) < Number(forma.godina_dolaska.value)) datum_greska = 1


if ( forma.name == "rezervacija" ) {
	if (( Number(forma.broj_od18.value) +  Number(forma.broj_do18.value) + Number(forma.broj_do12.value)) == 0 ) brojosoba_greska = 1
	if ( (Number(forma.nacin_placanja.value)) == 0) nacin_placanja_greska = 1
}

if ( forma.name == "unos_rezervacije" ) {
	if ( Number(forma.sifra_apartmana.value) == 0 ) sifra_apartmana_greska = 1
}

if (datum_greska == 1)
alert("Molimo unesite ispravan datum!\nDanašnji datum je " +  today.getDate() + "." + (today.getMonth() +1) + "." + today.getFullYear())
else if (brojosoba_greska == 1) alert("Molimo odaberite ispravan broj osoba!")
else if ( nacin_placanja_greska == 1) alert("Molimo odaberite način plaćanja!")
else if ( sifra_apartmana_greska == 1) alert("Molimo odaberite šifru apartmana!")
else forma.submit()
}

	function provjeri_pretragu_sifra() {
	err = 0
	if (document.pretraga_sifra.sifra_jedinica.value == "") err = 1
	polje_stringova = document.pretraga_sifra.sifra_jedinica.value.split("-")
		if (polje_stringova.length != 3) err=1
		else {
			if (parseInt(polje_stringova[1]) &&  parseInt(polje_stringova[2]))
				err = 0
			else err = 1
			}
	
	if (err) {
		alert("Molimo unesite ispravnu oznaku!\nNa primjer: P-101-1")
	}
	else {
	
	document.pretraga_sifra.submit()
	}
	}

function emailCheck (emailStr) {

/* The following variable tells the rest of the function whether or not
to verify that the address ends in a two-letter country or well-known
TLD.  1 means check it, 0 means don't. */

var checkTLD=1;

/* The following is the list of known TLDs that an e-mail address must end with. */

var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;

/* The following pattern is used to check if the entered e-mail address
fits the user@domain format.  It also is used to separate the username
from the domain. */

var emailPat=/^(.+)@(.+)$/;

/* The following string represents the pattern for matching all special
characters.  We don't want to allow special characters in the address. 
These characters include ( ) < > @ , ; : \ " . [ ] */

var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";

/* The following string represents the range of characters allowed in a 
username or domainname.  It really states which chars aren't allowed.*/

var validChars="\[^\\s" + specialChars + "\]";

/* The following pattern applies if the "user" is a quoted string (in
which case, there are no rules about which characters are allowed
and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
is a legal e-mail address. */

var quotedUser="(\"[^\"]*\")";

/* The following pattern applies for domains that are IP addresses,
rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
e-mail address. NOTE: The square brackets are required. */

var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;

/* The following string represents an atom (basically a series of non-special characters.) */

var atom=validChars + '+';

/* The following string represents one word in the typical username.
For example, in john.doe@somewhere.com, john and doe are words.
Basically, a word is either an atom or quoted string. */

var word="(" + atom + "|" + quotedUser + ")";

// The following pattern describes the structure of the user

var userPat=new RegExp("^" + word + "(\\." + word + ")*$");

/* The following pattern describes the structure of a normal symbolic
domain, as opposed to ipDomainPat, shown above. */

var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");

/* Finally, let's start trying to figure out if the supplied address is valid. */

/* Begin with the coarse pattern to simply break up user@domain into
different pieces that are easy to analyze. */

var matchArray=emailStr.match(emailPat);

if (matchArray==null) {

/* Too many/few @'s or something; basically, this address doesn't
even fit the general mould of a valid e-mail address. */

alert("Neispravna e-mail adresa (provjerite @ i .'s)");
return false;
}
var user=matchArray[1];
var domain=matchArray[2];

// Start by checking that only basic ASCII characters are in the strings (0-127).

for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
alert("Neispravna e-mail adresa.\nKorisničko ime sadrži neispravne znakove.");
return false;
   }
}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
alert("Neispravna e-mail adresa.\nIme domene sadrži neispravne znakove.");
return false;
   }
}

// See if "user" is valid 

if (user.match(userPat)==null) {

// user is not valid

alert("Neispravna e-mail adresa.\nKorisničko ime je nepravilno unešeno.");
return false;
}

/* if the e-mail address is at an IP address (as opposed to a symbolic
host name) make sure the IP address is valid. */

var IPArray=domain.match(ipDomainPat);
if (IPArray!=null) {

// this is an IP address

for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
alert("Neispravna IP adresa");
return false;
   }
}
return true;
}

// Domain is symbolic name.  Check if it's valid.
 
var atomPat=new RegExp("^" + atom + "$");
var domArr=domain.split(".");
var len=domArr.length;
for (i=0;i<len;i++) {
if (domArr[i].search(atomPat)==-1) {
alert("Neispravna e-mail adresa.\nNeispravno unešeno ime domene.");
return false;
   }
}

/* domain name seems valid, but now make sure that it ends in a
known top-level domain (like com, edu, gov) or a two-letter word,
representing country (uk, nl), and that there's a hostname preceding 
the domain or country. */

if (checkTLD && domArr[domArr.length-1].length!=2 && 
domArr[domArr.length-1].search(knownDomsPat)==-1) {
alert("Neispravna e-mail adresa.\n");
return false;
}

// Make sure there's a host name preceding the domain.

if (len<2) {
alert("Neispravna e-mail adresa.\n");
return false;
}

// If we've gotten this far, everything's valid!
return true;
}

//  End -->

function provjeri_novog() {
// provjera formulara na rezervacijama_novi.asp

if (document.unos_novog.ime.value == "")
alert("Molimo unesite Vaše ime")
else if  (document.unos_novog.prezime.value == "")
alert("Molimo unesite Vaše prezime")
else if  (document.unos_novog.jezik.value == "")
alert("Molimo unesite jezik kojim želite komunicirati sa našom agencijom")
else if  (document.unos_novog.adresa.value == "")
alert("Molimo unesite Vašu adresu")
else if ( emailCheck(document.unos_novog.email.value) == false);
else if  (document.unos_novog.tel_kuca.value == "")
alert("Molimo unesite broj Vašeg telefona")
else if  (document.unos_novog.password.value ==  "")
alert("Molimo unesite zaporku")
else if  (document.unos_novog.password.value !=  document.unos_novog.password1.value)
alert("Molimo ispravno potvrdite zaporku")
else document.unos_novog.submit()
}

function provjeri_novog_admin() {
// provjera formulara na rezervacijama_novi.asp
// ovo ne treba prevodit jer je samo na hrvatskom

if (document.unos_novog.ime.value == "")
alert("Molimo unesite Vaše ime")
else if  (document.unos_novog.prezime.value == "")
alert("Molimo unesite Vaše prezime")
else if  (document.unos_novog.jezik.value == "")
alert("Molimo unesite jezik kojim želite komunicirati sa našom agencijom")
else document.unos_novog.submit()
}