var http = createRequestObject();

function createRequestObject () {
	if (typeof XMLHttpRequest == 'undefined') {
		objects = Array(
			'Microsoft.XmlHttp',
			'MSXML2.XmlHttp',
			'MSXML2.XmlHttp.3.0',
			'MSXML2.XmlHttp.4.0',
			'MSXML2.XmlHttp.5.0'
		);
		for (i = 0; i < objects.length; i++) {
			try {
				return new ActiveXObject(objects[i]);
			} catch (e) {}
		}
	} else {
		return new XMLHttpRequest();
	}
}
function cod(s){return encodeURIComponent(s);}
function getLink() {
	number = encodeURIComponent(document.getElementById("number").value);
	imale = encodeURIComponent(document.getElementById("imale").value);
	itime = encodeURIComponent(document.getElementById("itime").value);
	iday = encodeURIComponent(document.getElementById("iday").value);
	imonth = encodeURIComponent(document.getElementById("imonth").value);
	iyear = encodeURIComponent(document.getElementById("iyear").value);
	url = 'index.php';
	http.open('POST', url);
	document.getElementById('result').innerHTML="<center><img src='images/giallo.gif'><br>Đang tải dữ liệu, chờ trong giây lát^^...</center>";
	http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	http.onreadystatechange = handleResponse;
	ab = ('number=' + cod(number) + '&imale=' + imale + '&itime=' + cod(itime) + '&iday=' + cod(iday) + '&imonth=' + cod(imonth) + '&iyear=' + cod(iyear) );
	http.send(ab);
	return false;
}

function handleResponse() {
	try {
		if((http.readyState == 4)&&(http.status == 200)){
			response = http.responseText;
			document.getElementById('result').innerHTML=http.responseText;
		}
  	}
	catch(e){}
	finally{}
}

function botonDownload(){
	number=document.forms['chooser_form'].number.value;
	itime=document.forms['chooser_form'].itime.value;
	if(number==""){
		alert('Vui lòng nhập Dãy số cần xem.');
		document.forms['chooser_form'].number.focus();
	}else if(itime=="Select"){
		alert('Vui lòng nhập Giờ sinh');
		document.forms['chooser_form'].itime.focus();
	}else{
		document.getElementById('entry').style.display='block';
		document.getElementById('result').style.display='block';
		getLink();
	};

};

function closeDownload() {
		document.getElementById('entry').style.display = 'none';
		document.getElementById('result').style.display = 'none';
}