function createRequestObject(){
	var request_;
	var browser = navigator.appName;
	if(browser == "Microsoft Internet Explorer"){
 		request_ = new ActiveXObject("Microsoft.XMLHTTP");
	} else {
 		request_ = new XMLHttpRequest();
	}
return request_;
}


var ajax = createRequestObject();


function arata_cat_1(){
	ajax.open('get', 'arata_cat.php?categorie=1&cat=' +  document.getElementById('categorie_1').value + '');

	ajax.onreadystatechange = handleInfo;

	ajax.send(null);
}
function handleInfo(){
	if(ajax.readyState == 4){
		if(ajax.status == 200) {
		var response = ajax.responseText;
 		document.getElementById('rubrica_1').innerHTML = response;
		}
	}
}

function arata_cat_2(){
	ajax.open('get', 'arata_cat.php?categorie=2&cat=' +  document.adaugare.categorie_2.value + '');

	ajax.onreadystatechange = handleInfoo;

	ajax.send(null);
}
function handleInfoo(){
	if(ajax.readyState == 4){
		if(ajax.status == 200) {
		var responsee = ajax.responseText;
 		document.getElementById('subcat_2').innerHTML = responsee;
		}
	}
}

function arata_cat_3(){
	ajax.open('get', 'arata_cat.php?categorie=3&cat=' +  document.adaugare.categorie_3.value + '');

	ajax.onreadystatechange = handleInfooo;

	ajax.send(null);
}
function handleInfooo(){
	if(ajax.readyState == 4){
		if(ajax.status == 200) {
		var responseee = ajax.responseText;
 		document.getElementById('subcat_3').innerHTML = responseee;
		}
	}
}