function posalji(novi){
	document.getElementById('_insert').value=novi;
	if (document.getElementById('Kaz_naziv').value==''){
		alert("Upisite naziv knjiznice");
		return false;
	}
	if (document.getElementById('_Kaz_grad').value==''){
		alert("Upisite grad knjiznice");
		return false;
	}
	
	if (document.getElementById('Kaz_status').value==''){
		alert("Upisite vrstu knjiznice");
		return false;
	}
	
	
	document.getElementById('upis').submit();
}


function gradovi(id){
	try{
		var url = "ajax.aspx?id=" + id + "&upit=getGradovi";
		AjaxKategorija(url, "", "prenesiGrad", "");

	}catch (e){alert(e.description)}
}

function prenesiGrad(){
	if (http_request.readyState == 4) {
		if (http_request.status == 200) {
			var rExp = /objx/g;
			document.getElementById('Kaz_gradID').options.length = 0;
			var rs = http_request.responseText.replace(rExp, "document.getElementById('Kaz_gradID')");
			eval(rs);
		}
		else{
			alert(http_request.status+"\n"+http_request.responseText);
		}
	}
}

function gradovi2(id){
	try{
		var url = "ajax.aspx?id=" + id + "&upit=getGradovi";
		AjaxKategorija(url, "", "prenesiGrad2", "");

	}catch (e){alert(e.description)}
}

function prenesiGrad2(){
	if (http_request.readyState == 4) {
		if (http_request.status == 200) {
			var rExp = /objx/g;
			document.getElementById('Osn_gradID').options.length = 0;
			var rs = http_request.responseText.replace(rExp, "document.getElementById('Osn_gradID')");
			eval(rs);
		}
		else{
			alert(http_request.status+"\n"+http_request.responseText);
		}
	}
}

function gradovi3(id){
	try{
		var url = "ajax.aspx?id=" + id + "&upit=getGradovi";
		AjaxKategorija(url, "", "prenesiGrad3", "");

	}catch (e){alert(e.description)}
}

function prenesiGrad3(){
	if (http_request.readyState == 4) {
		if (http_request.status == 200) {
			var rExp = /objx/g;
			document.getElementById('Pravna_gradID').options.length = 0;
			var rs = http_request.responseText.replace(rExp, "document.getElementById('Pravna_gradID')");
			eval(rs);
		}
		else{
			alert(http_request.status+"\n"+http_request.responseText);
		}
	}
}

function AjaxKategorija(url, metoda, funkcija, formData){
		
		http_request = false;
		
		if (window.XMLHttpRequest) { // Mozilla, Safari,...
			http_request = new XMLHttpRequest();
			if (http_request.overrideMimeType) {
			http_request.overrideMimeType('text/xml');
			// See note below about this line
			}
		} else if (window.ActiveXObject) { // IE
		try {
			http_request = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			errLog("Msxml2.XMLHTTP"+e.description);
			try {
				http_request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {"Microsoft.XMLHTTP"+errLog(e.description);}
			}
		}
		
		if (!http_request) {
			alert('Giving up :( Cannot create an XMLHTTP instance');
			return false;
		}
		http_request.onreadystatechange = eval(funkcija);

		if(metoda!=""){
			http_request.open('POST', url, true);
			http_request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
			http_request.send(formData);
		}else{
			http_request.open('GET', url, true);
			http_request.send(null);
		}
}