function createRequestObject(){
	var request_o; //declare the variable to hold the object.
	var browser = navigator.appName; //find the browser name
	if(browser == "Microsoft Internet Explorer"){
		/* Create the object using MSIE's method */
		request_o = new ActiveXObject("Microsoft.XMLHTTP");
	}else{
		/* Create the object using other browser's method */
		request_o = new XMLHttpRequest();
	}
	return request_o; //return the object
}

/* The variable http will hold our new XMLHttpRequest object. */
var http = createRequestObject();


function pobierz_modele(model_v) {
		var marki = document.getElementById('marka_id').value;
		var modele = document.getElementById('modele_id');
		if(marki!=''){
			http.open('get', 'w/modele/'+marki+'/');
			//alert('ok');
			http.onreadystatechange = function() {
				if(http.readyState == 4){ //Finished loading the response
					var response = http.responseText;
					modele.innerHTML = response;

				}
			}

			http.send(null);
		}
		return document.getElementById('marka_id').options[document.getElementById('marka_id').selectedIndex].text
	}
function pobierz_podkategorie(model_v) {
		var kategorie = document.getElementById('kat_id').value;
		var podkategorie = document.getElementById('podkat_id');
		if(kategorie!=''){
			http.open('get', 'w/podkategorie/'+kategorie+'/');
			//alert('ok');
			http.onreadystatechange = function() {
				if(http.readyState == 4){ //Finished loading the response
					var response = http.responseText;
					podkategorie.innerHTML = response;

				}
			}

			http.send(null);
		}

		//return document.getElementById('kat_id').options[document.getElementById('kat_id').selectedIndex].text;

	}
function goSzukaj(){

	marka = document.getElementById('marka_id').value;
	model = document.getElementById('model_id').value;
	kategoria = document.getElementById('kat_id').value;
	podkategoria = document.getElementById('podkatId').value;

	var url = 'szukaj/go/'+marka+'/'+model+'/'+kategoria+'/'+podkategoria+'/';

	window.location.href = 'szukaj/go/';
}