var xmlHttpPhoto = null;

//
// delete photo
//
function delete_photo(no, key)
{
	var ret = confirm("Are you sure?");
	
	if (!ret) return;

	document.location = URL+"/func/photo_delete.php?no="+no+"&key="+key;
}

//
// show mid size photo
//
var xmlHttpPhoto = null;

function show_mid_photo(no, key)
{
	var obj = document.getElementById('mid_photo');
	if (obj) document.body.removeChild(obj);

	xmlHttpPhoto = GetXmlHttpObject();
	if (xmlHttpPhoto == null) return;

	var url = URL + "/ajax/mid_photo.php?no="+no+"&key="+key;
	xmlHttpPhoto.onreadystatechange = on_mid_photo;
	xmlHttpPhoto.open("GET", url, true);
	xmlHttpPhoto.send(null);

	obj = document.createElement('div');
	obj.setAttribute('id', 'mid_photo');
	obj.style.position = "absolute";
	obj.style.left = g_x - 530;
	obj.style.top = g_y - 560;
	obj.innerHTML = LOADING_IMAGE;
	document.body.appendChild(obj);
}

function on_mid_photo()
{
	if (xmlHttpPhoto == null) return;
	if (xmlHttpPhoto.readyState == 4 || xmlHttpPhoto.readyState == "complete")
	{
		var resp = xmlHttpPhoto.responseText;

		if (resp != "0")
		{
			var obj = document.getElementById('mid_photo');
			obj.innerHTML = resp;
		}
		else
		{
			alert("Error get middle size of photo.");
			close_mid_photo();
		}
	}
}

//
// close mid photo
//
function close_mid_photo()
{
	var obj = document.getElementById('mid_photo');
	if (obj) document.body.removeChild(obj);
}