var req;
function Photo()
{
	this.Update = function(fileID)
	{
		var loc = encodeURIComponent(window.location.href);
		req = new Ajax.Request('browsePhoto.php',
		{
			method:'post',
			parameters:'action=UpdatePhotoForm&fileID='+fileID+'&LocationHeader='+loc,
			onSuccess: function(Response)
			{
				$('page_overlay_box').style.width = '500px';
				$('page_overlay_box').style.height = '200px';
				$('page_overlay_box').update(Response.responseText);
				center('page_overlay_box',500,200);
				$('image_overlay').hide();
				$('page_overlay_box').show();
			},
			onLoading:function()
			{
				showBox();
			},
			onFailure:function()
			{
				alert('fail');
				hideBox();
			}
		});
	}
	
	this.CheckFields = function()
	{
		var PhotoTitle = document.getElementById('PhotoTitle').value;
		PhotoTitle = PhotoTitle.replace(/^\s*|\s(?=\s)|\s*$/g, "");
		if(PhotoTitle.length >1 && PhotoTitle!='')
		{
			$('EditButton').disable();
			$('CancelButton').disable();
			return true;
		}
		else
		{
			return false
		}
		return false;
	}
}

function Cancel(req)
{
	req.transport.abort();
	$('page_overlay_box').style.width = '0%';
	$('page_overlay_box').style.height = '0%';
	$('page_overlay_box').update('');
	$('page_overlay_box').hide();
	hideBox();
}


var Pho = new Photo();