// JavaScript Document
var captchaOK = 2; 
var korisnikOK = 2;

function getHTTPObject() {
	try {
		req = new XMLHttpRequest(); 
		} catch (err1)
		{
	try { 
		req = new ActiveXObject("Msxml12.XMLHTTP");
		} catch (err2)
		{
	try {
		req = new ActiveXObject("Microsoft.XMLHTTP"); 
		} catch (err3) 
		{
	req = false; 
			}
		}
	}
	return req; 
}
// Kreiranje HTTP Objekat 
var http = getHTTPObject();

function handleHttpResponse() {
var formular= document.getElementById("posalji");
	//Provera rezultata provere koda
	if (http.readyState == 4) {
	captchaOK = http.responseText; 
		if(captchaOK == "kod=0") {
				document.getElementById("valid_error").innerHTML ='<div align="center" id="valid_error" class="error_valid">Verifikacioni kod nije ta&#269;an!</div>';
				formular.security_code.focus ();
				return false;
		}else if(captchaOK == "kod=1"){
				var formular= document.getElementById("posalji");
				document.posalji.submit();
				return true;
		}
	}
}

//Provera koda
function ajaxProveraKoda(kod) {
	var url = 'ajax_provera_koda.php?kod='+kod; 
	http.open("GET",url, true);
	http.onreadystatechange = handleHttpResponse;
	http.send(null);
} 
	
function proveriFormu(formular){
	if (formular.mailod.value == ''){
		document.getElementById("valid_error").innerHTML ='<div align="center" id="valid_error" class="error_valid">Polje Email mora biti popunjeno !</div>';
		formular.mailod.focus ();
		return false;
	}else{
		document.getElementById("valid_error").innerHTML ='<div align="center" id="valid_error" class="error_ok"></div>';
	}
	if (formular.mailime.value == ''){
		document.getElementById("valid_error").innerHTML ='<div align="center" id="valid_error" class="error_valid">Polje Ime mora biti popunjeno !</div>';
		formular.mailime.focus ();
		return false;
	}else{
		document.getElementById("valid_error").innerHTML ='<div align="center" id="valid_error" class="error_ok"></div>';
	}
	if (formular.mailprezime.value == ''){
		document.getElementById("valid_error").innerHTML ='<div align="center" id="valid_error" class="error_valid">Polje Prezime mora biti popunjeno !</div>';
		formular.mailprezime.focus ();
		return false;
	}else{
		document.getElementById("valid_error").innerHTML ='<div align="center" id="valid_error" class="error_ok"></div>';
	}
	if (formular.mailporuka.value == ''){
		document.getElementById("valid_error").innerHTML ='<div align="center" id="valid_error" class="error_valid">Polje Poruka mora biti popunjeno !</div>';
		formular.mailporuka.focus ();
		return false;
	}else{
		document.getElementById("valid_error").innerHTML ='<div align="center" id="valid_error" class="error_ok"></div>';
	}
	if (formular.security_code.value == ''){
		document.getElementById("valid_error").innerHTML ='<div align="center" id="valid_error" class="error_valid">Morate uneti KOD sa slike !</div>';
		formular.security_code.focus ();
		return false;
	}else{
		document.getElementById("valid_error").innerHTML ='<div align="center" id="valid_error" class="error_ok"></div>';
		//document.posalji.submit();
		//return true;
		ajaxProveraKoda(formular.security_code.value);
		return false;
	}
	
}