var aTempDates = new Array();  //polje za upis svih datuma s forme
var aTempCheck = new Array(); //polje za upis checkboxova
var aGroups = new Array(); //polje rezultata provjere checkboxova

function returnStuff(aStuff){
   // funkcija razdvaja dijelove aStuff i vraca assoc array
    var aParams = new Array();
    for (var i = 0; i < aStuff.length; i++){
        aTemp = aStuff[i].split(":");
        aParams[aTemp[0]]= aTemp[1];
    }
    return aParams;
}

function validateForm(frm){
    var fOK = true; // forma je ispravna
    var cOK = true; //checkboxovi su ok
    var rOK = true; //radiobttn. su ok
    var bError = false;
    var stuff = Array(); // polje parametara
    var aParam = Array();
    var bChecked = false;
    var bListed = false;
    for (i=0; i<frm.length-1; i++) {  
        sValue = frm[i].value; // sadrzaj koji treba provjeriti
        ID = frm[i].id;
        bChecked = frm[i].checked; //da li je polje chekirano
        if (frm[i].type == "hidden") continue;  //ako polje nije hidden vracamo se na vanjsku petlju
        if (!bListed){ //popis svih grupa checkboxova i inicijalizacija
            bListed = true;
            for (v=0; v>frm.length-1; v++){
                if (frm[v].type=="hidden"){
                    var all = frm[v].value.split("|");
                    aAll = returnStuff(all);
                    if (aAll['t'] == "checkbox" && aAll['group']) { 
                                var grupa = aAll['group'];
                                aTempCheck[grupa] = 0; 
                                aGroups[grupa] = true;
                    }
                }
            }
        }
        for (n=i; n<frm.length-1; n++){
        if (frm[i].id.toLowerCase()+"_h" == frm[n].id.toLowerCase()) {// trazi se u formi polje tipa hidden koje ima _h u id-u.
            var stuff = frm[n].value.split("|"); // razdvajanje parametara
            aParam = returnStuff(stuff);
            if (aParam['r']){// ako parametar postoji uzima se vrijednost, ako ne smatra se da polje nije obavezno
                aParam['r'] == "true" ? bValueNeed = true : bValueNeed = false; //dali je polje obavezno
            }else{
                bValueNeed = false;
            }
            if (bValueNeed && sValue =="") {bError = true;} // polje je obavezno ali je prazno
            if (!bError){ // polje ili je potrebno ili ima sadrzaj
                if (sValue != ""){ // polje ima sadrzaj (bez obzira da li je potrebno, provjerava se
                    if (aParam['t']){//ako nema tipa podatka polje se smatra nepotrebnim za provjeru
                        switch (aParam['t']){
                            case "string"   :  fOK =  (validateString(sValue,aParam))  ?  true : false; break;
                            case "integer"  :  fOK =  (validateInteger(sValue,aParam)) ?  true : false; break;
                            case "password" :  fOK =  (validatePassword(sValue,aParam)) ?  true : false; break;
                            case "url"      :  fOK =  (validateUrl(sValue)) ?  true : false; break;
                            case "email"    :  fOK =  (validateUrl(sValue)) ?  true : false; break;
                            case "date"     :  fOK =  (validateDate(sValue,ID,aParam)) ? true : false; break;
                            case "checkbox" :  validateCheck(bChecked,aParam,frm.length); break;
                            case "file"     : fOK = (validateFile(sValue)) ? true : false; break;
                            case "radio"    : break;
			    case "time"	    :  fOK = (validateTime(sValue)) ? true : false; break;
                            default         : alert("nepoznata vrsta");break;
                        }// end switch
                    }else{
                        fOK = true;
                    }//end if (aParam['t']
                }// end if (sValue !="")
            } // end if (frm[n])
        } //end for (n=i)
        if (bError || !fOK){
        // polje je potrebno i nema sadrzaj ili je greska kod upisa. Ispisuje se predefinirana ili custom error poruka
            if (aParam['m']){
                alert (aParam['m']);
                frm[i].focus();
            }else{
                msg = "Greska kod upisa: "+frm[i].id;
                alert (msg);
                frm[i].focus();
            }// end (aParam['m'].)
          return false;
        }//end if (bError)
        }//end for (n=i)
    }//end for (i=0)
    /* provjera dali u polju aGroups ima koja false vrijednost, znaci da odabrani broj checkboxova u nekoj grupi
    ne zadovoljava min-max raspon. */
    var popis = ""; //popis grupa checkboxova koje su netocne
    for (var grupa in aGroups){ 
        cOK = aGroups[grupa]; 
        if (!cOK){ 
                popis += "- "+grupa+"\n";
                fOK = false;              
        }
    }
    if (!fOK){alert ("Greska kod odabira:\n"+popis);}
    /* provjera dali ima cekiranih radio buttona 
    sGroupName = ""; rOK = true;
    for (var t = 0; t>frm.length-1; t++){
        if (frm[t].type == "radio"){
            if (frm[t].id != sGroupName) var sGroupName= frm[t].id;
            for (var u=0; u<frm.length-1; u++){
                if (frm[u].id == sGroupName+"_h" && frm[u].type=="hidden"){      
                    stuff = frm[u].value.split("|");
                    aParams = returnStuff(stuff);
                    rOK = false;
                    if (aParams['r']){
                        if (aParams['r'] == "true") {
                            if (frm[t].checked) rOK = true;
                        }
                    }else{ //izostanak parametra r smatra se kao da nije obavezno odabrati
                        rOK = true;
                    }
                } //end if frm[u]
            } //end for (u=t)
        } //end if (frm[t].type)
    } //end for (var t = 0)
    if (!rOK) alert ("Greška! Niste odabrali iz grupa radiobuttona");
    fOK = rOK              */      
    return (fOK);
}

function validateString(sValue,aParam){
        bOK = false;
        sExpr = /\d{1,}/;  //nesmije sadrzavati brojku
        iMin = aParam['min']; //min vrijednost, max se zada sa maxlength
        if  (!sExpr.test(sValue)){// upisana vrijednost je string, da vidimo dali zadovoljava min kriterije
                if (Boolean(iMin)){
                         if (sValue.length >= iMin) bOK = true;
                }else{
                        bOK=true;
                }
        }else{
                bOK = false;
        }
return bOK;
}

function validateInteger(sValue,aParam){
        bOK = false;
        iMin = aParam['min']; //min vrijednost
        iMax=  aParam['max']; // max vrijednost
        if  (sValue==parseInt(sValue)){// upisana vrijednost je integer, da vidimo dali zadovoljava min,max kriterije
                if (Boolean(iMin)){
                        if (sValue>=iMin) bOK = true; else bOK = false;
                }else{ bOK = true; }
                if (Boolean(iMax)){
                        if (bOK && sValue<=iMax) bOK = true; else bOK = false;
                }else{ if (bOK) bOK = true; }
        }else{ bOK = false;}
return bOK;
}

function validatePassword(sValue,aParam){
    bOK = false;
    iMin = aParam['min']; //min broj znakove
    sEqualField = aParam['cmp']; // polje s kojim se usporeduje
    //da vidimo dali zadovoljava min kriterije
    if (Boolean(iMin)){ if (sValue.length >= iMin) bOK = true;}else{bOK = true;}
    if (bOK){// ima dovoljno znakova, usporedba identicnosti
        // za IE
        object = document.getElementById(sEqualField);        
        if (sValue == object.value){ // polja su jednaka
            return true;
        }else{
            return false;
        }
        return false;
    }
}

function validateEmail (sValue) {

/* 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. */
        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) {
                return false;
        }
}
for (i=0; i<domain.length; i++) {
        if (domain.charCodeAt(i)>127) {
                return false;
           }
}

// See if "user" is valid
if (user.match(userPat)==null) {
        // user is not valid
        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) {
                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) {
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) {
return false;
}

// Make sure there's a host name preceding the domain.
if (len>4) {
return false;
}

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

function validateUrl(sValue){
        bOK = true;
        // test na neke specijalne znakove
        var regexp = /\s{1,}/; //praznina, tabulator, specijalni znakovi
        bOK = (!regexp.test(sValue));
        aParts = sValue.split('.');
        if (bOK){
                if (aParts.length >=2){// ima barem 2 dijela
                        if (aParts[0].length >=2 && aParts[1].length >=2) {bOK = true; // prva 2 dijela vise od jednog znaka
                        }else{
                                bOK = false;
                        }
                }else{
                        bOK = false;
                }
        }
        return bOK;
}

function validateDate(sValue,ID,aParam){
        var bOK = false;
        var bCheckToday = false;
        var order = "";
        bFoundMark = false;
        var inpDate = "";
        var bDot = false;
        var bEndDot = false;
        //provjera dali postoji zadani redoslijed
        order = aParam['ord'] ?  aParam['ord'] : "dmg";
        //testira koristenje znaka za razdvajanje i razdvaja datum u array
        if (order != "g"){
            regexpr = /\-{1,3}/;
            if (regexpr.test(sValue)){
                var arrDate = sValue.split('-');
                bFoundMark = true;
            }else{
                regexpr = /\.{1,3}/;
                regexpr1 = /\.$/; //ako ima tocku na kraju
                if (regexpr.test(sValue)){
                    var arrDate = sValue.split('.');
                    bFoundMark = true;
                    bDot = true;
                    if (regexpr1.test(sValue)) bEndDot = true;
                }else{
                    regexpr = /\/{1,3}/;
                    if (regexpr.test(sValue)){
                        var arrDate = sValue.split('/');
                        bFoundMark = true;
                    }
                }
            }
        }//end if (order != "g")
        var arrElements = 0;
        if (!bDot) {
            arrElements = arrDate.length;
        }else{
            arrElements = (!bEndDot) ? arrDate.length : arrDate.length-1;
        }
        if (bFoundMark){//pronaden je
            if (aParam['now']) bCheckToday = true;
            var today = new Date();
            var inpYear = 0;
            var inpMonth = 0;
            var inpDay = 0;
            currYear = parseInt(today.getYear());
            arrMonthDays = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
            if (((currYear % 4)==0) && ((currYear % 100)!=0) || ((currYear % 400)==0)) {arrMonthDays[1]=29;}
            //razdvajanje datuma
            if (arrElements==order.length){
                switch (order){
                    case "gm" :
                            inpYear = parseInt(arrDate[0],10);
                            inpMonth = parseInt(arrDate[1],10);
                            break;
                    case "md" :
                            inpMonth = parseInt(arrDate[0],10);
                            inpDay = parseInt(arrDate[1],10);
                            break;
                    case "gmd" :
                            inpYear = parseInt(arrDate[0],10);
                            inpMonth = parseInt(arrDate[1],10);
                            inpDay = parseInt(arrDate[2],10);
                            break;
                    case "dm" :
                            inpDay = parseInt(arrDate[0],10);
                            inpMonth = parseInt(arrDate[1],10);
                            break;
                    case "mg" :
                            inpMonth = parseInt(arrDate[0],10);
                            inpYear = parseInt(arrDate[1],10);
                            break;
                    case "dmg" :
                    default :
                        inpDay = parseInt(arrDate[0],10);
                        inpMonth = parseInt(arrDate[1],10);
                        inpYear = parseInt(arrDate[2],10);
                        break;
                }//end switch (order)
                switch (order) {
                    case "gm":
                    case "mg":
                            if (bCheckToday){
                                currDate = today.getYear()+'-';
                                if ((today.getMonth()+1)<10) currDate += '0';
                                currDate += (today.getMonth()+1)+'-';
                            }
                            bOK = (inpYear>1 && inpYear<=2500) ? true : false;
                            bOK = (inpMonth>=1 && inpMonth<=12) ? true : false;
                            if (inpYear<99) inpYear=2000+inpYear;
                            inpDate = inpYear+'-';
                            inpDate += (inpMonth<10) ? '0' : inpMonth;
                            break;
                    case "dm" :
                    case "md" :
                            if (bCheckToday){
                                if ((today.getMonth()+1)<10) currDate += '0';
                                currDate = (today.getMonth()+1)+'-';
                                if (today.getDate()<10) currDate += '0';
                                currDate += today.getDate();
                            }
                            bOK = (inpMonth>=1 && inpMonth<=12) ? true : false;
                            bOK = (inpDay>=1 && inpDay<=31) ? true : false;
                            bOK = (arrMonthDays[inpMonth-1]>=inpDay) ? true : false;
                            inpDate += (inpMonth<10) ? '0' : inpMonth+'-';
                            if (inpDay<10) inpDate += '0';
                            inpDate += inpDay;
                            break;
                    case "gmd" :
                    case "dmg" :
                    default:
                            if (bCheckToday){
                                currDate = today.getYear()+'-';
                                if ((today.getMonth()+1)<10) currDate += '0';
                                currDate += (today.getMonth()+1)+'-'
                                if (today.getDate()<10) currDate += '0';
                                currDate += today.getDate();
                            }
                            bOK = (inpYear>1 && inpYear<=2500) ? true : false;
                            bOK = (inpMonth>=1 && inpMonth<=12) ? true : false;
                            bOK = (inpDay>=1 && inpDay<=31) ? true : false;
                            bOK = (arrMonthDays[inpMonth-1]>=inpDay) ? true : false;
                            if (inpYear<99) inpYear=2000+inpYear;
                            inpDate = inpYear+'-';
                            if (inpMonth<10) inpDate += '0';
                            inpDate += inpMonth+'-';
                            if (inpDay<10) inpDate += '0';
                            inpDate += inpDay;
                            break;
                }//end switch(order)
                if (bOK){
                    if (bCheckToday){//ako se usporeduje sa danasnjim danom
                        switch (aParam['now']){//kakav mora biti odnos u odnosu na danas
                            case "ge" :
                                    bOK = (inpDate >= currDate) ? true : false;
                                    break;
                            case "ls" :
                                    bOK = (inpDate < currDate) ? true : false;
                                    break;
                            case "le" :
                                    bOK = (inpDate <= currDate) ? true : false;
                                    break;
                            case "gt" :
                            default :
                                    bOK = (inpDate > currDate) ? true : false;
                                    break;
                        } // end switch (aParam['now'])
                    } //end if(bCheckToday)
                } //end if(bOK)
            }else{ //end if (a.length=o.length)
                bOK = false;
            }
        } else {
            bOK = false;
        } //end if(bFoundMark);
        // provjeriti sa drugim upisnim datumima    
    aTempDates[ID] = inpDate;
    if (aParam['cmp']){
            var aTemp = new Array();
            aTemp = aParam['cmp'].split("_") ;// prvi parametar je id, a drugi odnos
            var dDatum = aTempDates[aTemp[0]];
             if (dDatum){
                switch (aTemp[1]){//kakav mora biti odnos u odnosu na danas
                    case "ge" :
                        bOK = (inpDate >= dDatum) ? true : false;
                        break;
                    case "ls" :
                        bOK = (inpDate < dDatum) ? true : false;
                        break;
                    case "le" :
                        bOK = (inpDate <= dDatum) ? true : false;
                        break;
                    case "gt" :
                        default :
                        bOK = (inpDate > dDatum) ? true : false;
                        break;
                } // end switch (aTemp[1)
            } //end if(objekt)
        } //end if(aParam['cmp']
    return bOK;
}
function validateCheck(bChecked,aParam,iFrmLength){
    bOK = true;
    var iMin =  (aParam['min']) ? aParam['min'] : 0;
    var iMax =  (aParam['max']) ? aParam['max'] : iFrmLength-2;
    var grupa = aParam['group'];
    if (grupa && bChecked) {
        var value = aTempCheck[grupa];
        value++;
        aTempCheck[grupa] = value;
    }
    // ako broj cekirani polja u grupi zadovoljava min-max raspon
    aGroups[grupa] = (iMin<= parseInt(aTempCheck[grupa]) &&  parseInt(aTempCheck[grupa])<=iMax) ? true : false;
}

function validateFile(sValue){
    bOK = false;
    sExpr = /^[a-zA-Z]{1}\:{1}\\{1}/; //testiranje na [disk][:][\]
    bOK = sExpr.test(sValue);
    if (bOK){
        sExpr = /\s/; //praznina 
        bOK = !sExpr.test(sValue);
        if (bOK){
            sExpr = /\.$/; //tocka na kraju
            bOK = !sExpr.test(sValue);
        }
    }
    return bOK;
}

function validateTime (timeStr){
	var bOK = false;
	var arrTime = timeStr.split(":");
	if (arrTime.length==2){
		inpHour = parseInt(arrTime[0]);
		inpMinute = parseInt(arrTime[1]);		
		if (((inpHour>0) || (inpMinute>0)) && (inpHour<24) && (inpMinute<60)){
			bOK = true;
		}
	}	
	return (bOK);
}