var xmlhttp;



function add_product(id, name) {

	var pagename = document.getElementById('pagename').value;

	q = order(id);

	var str = id + '|' + name + '|' + q;

	xmlhttp = GetXmlHttpObject();

	if (xmlhttp == null) {

		alert("Your browser does not support XMLHTTP!");

		return;

	}

	var url = "modules/setlistproduct.php";

	url = url + "?active=add" + "&q=" + str + "&pagename=" + pagename;

	url = url + "&sid=" + Math.random();

	xmlhttp.onreadystatechange = stateChanged;

	xmlhttp.open("POST", url, true);

	xmlhttp.send(null);

	return false;

}



function stateChanged() {

	if (xmlhttp.readyState == 4) {

		

//		  document.getElementById("txtHint").innerHTML=xmlhttp.responseText;

		  sum=xmlhttp.responseText;

		  setnumproduct();

	}

}



function GetXmlHttpObject() {

	if (window.XMLHttpRequest) {

		// code for IE7+, Firefox, Chrome, Opera, Safari

		return new XMLHttpRequest();

	}

	if (window.ActiveXObject) {

		// code for IE6, IE5

		return new ActiveXObject("Microsoft.XMLHTTP");

	}

	return null;

}

function resetsumproduct() {

	xmlhttp = GetXmlHttpObject();

	if (xmlhttp == null) {

		alert("Your browser does not support XMLHTTP!");

		return;

	}

	var url = "modules/setlistproduct.php";

	url = url + "?active=reset";

	url = url + "&sid=" + Math.random();

	xmlhttp.onreadystatechange = stateChanged;

	xmlhttp.open("POST", url, true);

	xmlhttp.send(null);

	return false;

}



function del_product(id, name) {

	if (con_firm()) {

		xmlhttp = GetXmlHttpObject();

		if (xmlhttp == null) {

			alert("Your browser does not support XMLHTTP!");

			return;

		}

		var str = "q=" + id + '|' + name;

		var active = "active=del";

		var url = "modules/setlistproduct.php";

		url = url + "?" + active + "&" + str;

		url = url + "&sid=" + Math.random();

		xmlhttp.onreadystatechange = stateChanged;

		xmlhttp.open("POST", url, true);

		xmlhttp.send(null);

		del_row(id);

	}

	return false;

}



function del_row(id) {

	var prefix = 'tr_';

	var row = document.getElementById(prefix + id);

	row.parentNode.removeChild(row);

}



function del_orderdetail(detail_id, order_id) {

	if(confirm('Bạn có chắc là xóa không ?'))

	{

		xmlhttp = GetXmlHttpObject();

		if (xmlhttp == null) {

			alert("Your browser does not support XMLHTTP!");

			return;

		}

		var str = "&detail_id=" + detail_id + '&order_id=' + order_id;

		var active = "active=del_orderdetail";

		var url = "includes/ajax.php?";

		url = url + active + str;

		url = url + "&sid=" + Math.random();

		xmlhttp.onreadystatechange = del_orderdetail_stateChanged(order_id);

		xmlhttp.open("POST", url, true);

		xmlhttp.send(null);

		del_row(detail_id);

	}

	return false;

}



function del_orderdetail_stateChanged(order_id)

{

	if (xmlhttp.readyState == 4) {

		 /*document.getElementById("txtHint").innerHTML=xmlhttp.responseText;

		if(xmlhttp.responseText=='true')

		{

			alert(detail_id);

			del_row(detail_id);

		}*/

	}

}