function createRequestObject() {
	var xmlHttp;
	try {
	    // Firefox, Opera 8.0+, Safari
    	xmlHttp=new XMLHttpRequest();
    }
	catch (e) {
	    try {
			xmlHttp=new ActiveXObject("MSXML2.XMLHTTP.3.0");
		}
    	catch (e) {
			try {
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
			}
      		catch (e) {
				alert("Pentru a putea naviga corespunzator acest website trebuie sa aveti activat suportul pentru Javascript!");
        		return false;
			}
      	}
	}
	return xmlHttp;
}
//---------------------------------------------------------------------------------------------------------
function getMeniu(val) {
	var req = createRequestObject();
	url = "getMeniu.php?id="+val;
	req.open("GET", url);
	req.onreadystatechange = function () {
		if(req.readyState == 4 && req.status == 200) {
			document.getElementById("meniu_show").innerHTML = req.responseText;
			getPretPers();
		}
	}
	req.send(null);
	
}
//----------------------------------------------------------------------
function addBautura(id) {
	var g = 0;
	if(document.getElementById("bautura"+id).checked == true)
		g = 1;
	//--------------
	var req = createRequestObject();
	url = "getBauturi.php?id="+id+"&add="+g;
	req.open("GET", url);
	req.onreadystatechange = function () {
		if(req.readyState == 4 && req.status == 200) {
			//se trimite lista cu toate bauturile pentru a se updata div-ul
			document.getElementById("bauturi_show").innerHTML = req.responseText;
			document.getElementById("bauturi_show").style.display = "block";
			if(document.getElementById("bauturi_show").innerHTML == "") document.getElementById("bauturi_show").style.display = "none";
			getPretPers();
		}
	}
	req.send(null);
	
}
//----------------------------------------------------------------------
function addServicii(id) {
	var g = 0;
	if(document.getElementById("serviciu"+id).checked == true)
		g = 1;
	//--------------
	var req = createRequestObject();
	url = "getServicii.php?id="+id+"&add="+g;
	req.open("GET", url);
	req.onreadystatechange = function () {
		if(req.readyState == 4 && req.status == 200) {
			//se trimite lista cu toate bauturile pentru a se updata div-ul
			document.getElementById("servicii_show").innerHTML = req.responseText;
			document.getElementById("servicii_show").style.display = "block";
			if(document.getElementById("servicii_show").innerHTML == "") document.getElementById("servicii_show").style.display = "none";
			getPretPers();
		}
	}
	req.send(null);
	
}
//----------------------------------------------------------------------
function actualizeazaPret() {
	if(document.getElementById('nrpers').value != "" && document.getElementById("pretpers").innerHTML != "") {
		var pret = document.getElementById("pretpers").innerHTML;
		var nrpers = document.getElementById('nrpers').value;
		//se adauga si pretul serviciilor
		var prettt = nrpers*pret;
		//
		var req = createRequestObject();
		url = "getServiciiPret.php";
		req.open("GET", url);
		req.onreadystatechange = function () {
			if(req.readyState == 4 && req.status == 200) {
				//document.getElementById("pretservicii").innerHTML = ;
				var total = prettt + parseInt(req.responseText);
				document.getElementById("prettotal").innerHTML = total + " RON";
				if($('discount').value) {
					var discount = parseInt(total*($('discount').value/100));
					var pretfinal = total - (total*($('discount').value/100));
					$('discount_o').innerHTML = discount + " RON";
					$('pretfinal_o').innerHTML = pretfinal + " RON";
					$("pretfinal").value = pretfinal + " RON (discount de "+discount+" RON)";
				}
			}
		}
		req.send(null);	
	}
}
//----------------------------------------------------------------------
function getPretPers() {
	var req = createRequestObject();
	url = "getPret.php";
	req.open("GET", url);
	req.onreadystatechange = function () {
		if(req.readyState == 4 && req.status == 200) {
			document.getElementById('pretpers').innerHTML = req.responseText;
			actualizeazaPret();
		}
	}
	req.send(null);	
}
//----------------------------------------------------------------------
function loadMeniu(id) {
	var req = createRequestObject();
	var url = "getMeniu2.php?id="+id;
	req.open("GET", url);
	req.onreadystatechange = function () {
		if(req.readyState == 4 && req.status == 200) {
			document.getElementById('loadMeniu').innerHTML = req.responseText;	
		}
	}
	req.send(null);	
}