function fileQueueError(file, errorCode, message) {
	try {
		var imageName = "error.gif";
		var errorName = "";
		if (errorCode === SWFUpload.errorCode_QUEUE_LIMIT_EXCEEDED) {
			errorName = "You have attempted to queue too many files.";
		}

		if (errorName !== "") {
			alert(errorName);
			return;
		}

		switch (errorCode) {
		case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
			imageName = "zerobyte.gif";
			break;
		case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
			imageName = "toobig.gif";
			break;
		case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
		case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
		default:
			alert(message);
			break;
		}

		addImage("images/" + imageName);

	} catch (ex) {
		this.debug(ex);
	}

}

function getHTTPObject(){
	if (window.ActiveXObject) return new ActiveXObject("Microsoft.XMLHTTP");
	else if (window.XMLHttpRequest) return new XMLHttpRequest();
	else {
		alert("Your browser does not support AJAX.");
		return null;
	}
}

var httpObject;

function fileDialogComplete(numFilesSelected, numFilesQueued) {
	try {
		if (numFilesQueued > 0) {
			widgetType = this.customSettings['widget_type'];
			httpObject = getHTTPObject();
			var url = "http://www.bananaflash.com/insert/widget/" + this.customSettings['widget_type'];
			var params = "address=none";
			httpObject.open("POST", url, true);
			
			httpObject.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
			httpObject.setRequestHeader("Content-length", params.length);
			httpObject.setRequestHeader("Connection", "close");
	
			httpObject.send(params);
			httpObject.onreadystatechange = setOutput;
		}
	} catch (ex) {
		this.debug(ex);
	}
}

var widgetType;

function setOutput() {
	if(httpObject.readyState == 4){
		
		if (httpObject.responseText != 'Error') {
			var url = 'http://www.bananaflash.com/view/';
			url += widgetType;
			url += '/';
			url += httpObject.responseText;
			document.getElementById('finishLinkA').href = url;
			swfu.startUpload();	
		} else {
			document.getElementById("thumbnails").innerHTML = httpObject.responseText;
		}
		
	} 
}

function uploadProgress(file, bytesLoaded) {

	try {
		var percent = Math.ceil((bytesLoaded / file.size) * 100);

		var progress = new FileProgress(file,  this.customSettings.upload_target);
		progress.setProgress(percent);
		if (percent === 100) {
			progress.setStatus("Creating thumbnail...");
			progress.toggleCancel(false, this);
		} else {
			progress.setStatus("Uploading...");
			progress.toggleCancel(true, this);
		}
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadSuccess(file, serverData) {
	try {
		var progress = new FileProgress(file,  this.customSettings.upload_target);

		if (serverData.substring(0, 8) === "IMAGEID:") {
			var urlStart = serverData.indexOf('IMAGEURL:');
			addImage(serverData.substring(8, urlStart), serverData.substring(urlStart+9));

			progress.setStatus("Thumbnail Created.");
			progress.toggleCancel(false);
		} else {
			addImage("images/error.gif");
			progress.setStatus("Error.");
			progress.toggleCancel(false);
			alert('ERROR: ' + serverData);

		}


	} catch (ex) {
		this.debug(ex);
	}
}

function uploadComplete(file) {
	try {
		/*  I want the next upload to continue automatically so I'll call startUpload here */
		if (this.getStats().files_queued > 0) {
			this.startUpload();
		} else {
			var progress = new FileProgress(file,  this.customSettings.upload_target);
			progress.setComplete();
			progress.setStatus("");
			progress.toggleCancel(false);
			document.getElementById("divFileProgressContainer").style.visibility = "hidden";
			document.getElementById("finishLink").style.display = "block";
		}
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadError(file, errorCode, message) {
	var imageName =  "error.gif";
	var progress;
	try {
		switch (errorCode) {
		case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
			try {
				progress = new FileProgress(file,  this.customSettings.upload_target);
				progress.setCancelled();
				progress.setStatus("Cancelled");
				progress.toggleCancel(false);
			}
			catch (ex1) {
				this.debug(ex1);
			}
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
			try {
				progress = new FileProgress(file,  this.customSettings.upload_target);
				progress.setCancelled();
				progress.setStatus("Stopped");
				progress.toggleCancel(true);
			}
			catch (ex2) {
				this.debug(ex2);
			}
		case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
			imageName = "uploadlimit.gif";
			break;
		default:
			alert(message);
			break;
		}

		addImage("images/" + imageName);

	} catch (ex3) {
		this.debug(ex3);
	}

}

function clearField(field)
{
	if ( field.value == 'Caption' )
	{
		field.value = '';	
		field.style.color = "#000000";
	}
}

function checkField(field)
{
	if ( field.value == '' )
	{
		field.value = 'Caption';
		field.style.color = "#999999";
	} else {
		var id = field.id.substring(3);
		addToList( new Array(id, field.value) );	
	}
}

var captions = new Array();

function addToList(arr)
{
	var isThere = false;
	for ( var i = 0; i < captions.length; i++ )
	{
		if ( captions[i][0] == arr[0] ) 
		{
			isThere = true;
			captions[i][1] = arr[1];
			sendCaption(arr[0], arr[1]);
		}
	}
	
	if ( !isThere )
	{
		sendCaption(arr[0], arr[1]);
		captions.push(arr);
	}
}

var captionObject;

function sendCaption(image, caption)
{
	captionObject = getHTTPObject();
	var url = "http://www.bananaflash.com/insert/caption/" + swfu.customSettings['widget_type'];
	var params = "image=" + image + "&caption=" + caption;
	captionObject.open("POST", url, true);
			
	captionObject.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	captionObject.setRequestHeader("Content-length", params.length);
	captionObject.setRequestHeader("Connection", "close");
	
	captionObject.send(params);	
	captionObject.onreadystatechange = captionComplete;
}

function captionComplete() {
	if(captionObject.readyState == 4){
		
	} 
}

function addImage(src, url) {
	var newDiv = document.createElement("div");
	var newImg = document.createElement("img");
	newDiv.style.width = "200px";
	newDiv.style.border = "1px solid #BBB";
	newDiv.style.cssFloat = "left";
	newImg.style.cssFloat = "left";
	newDiv.style.margin = "5px";
	newDiv.style.padding = "5px";
	
	document.getElementById("thumbnails").appendChild(newDiv);
	newDiv.appendChild(newImg);
	
	if (newDiv.filters) {
		try {
			newDiv.filters.item("DXImageTransform.Microsoft.Alpha").opacity = 0;
		} catch (e) {
			// If it is not set initially, the browser will throw an error.  This will set it if it is not set yet.
			newDiv.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + 0 + ')';
		}
	} else {
		newDiv.style.opacity = 0;
	}

	newImg.onload = function () {
		fadeIn(newDiv, 0);
		newDiv.innerHTML += '<input onblur="checkField(this)" onfocus="clearField(this)" type="text" name="email" id="th_' + src + '" value="Caption" size="22" style="margin:5px  1px;color:#999999;max-width:193px;font-size:14px;" />';
	};
	newImg.src = url;
}

function fadeIn(element, opacity) {
	var reduceOpacityBy = 5;
	var rate = 60;	// 15 fps


	if (opacity < 100) {
		opacity += reduceOpacityBy;
		if (opacity > 100) {
			opacity = 100;
		}

		if (element.filters) {
			try {
				element.filters.item("DXImageTransform.Microsoft.Alpha").opacity = opacity;
			} catch (e) {
				// If it is not set initially, the browser will throw an error.  This will set it if it is not set yet.
				element.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + opacity + ')';
			}
		} else {
			element.style.opacity = opacity / 100;
		}
	}

	if (opacity < 100) {
		setTimeout(function () {
			fadeIn(element, opacity);
		}, rate);
	}
}



/* ******************************************
 *	FileProgress Object
 *	Control object for displaying file info
 * ****************************************** */

function FileProgress(file, targetID) {
	this.fileProgressID = "divFileProgress";

	this.fileProgressWrapper = document.getElementById(this.fileProgressID);
	if (!this.fileProgressWrapper) {
		this.fileProgressWrapper = document.createElement("div");
		this.fileProgressWrapper.className = "progressWrapper";
		this.fileProgressWrapper.id = this.fileProgressID;

		this.fileProgressElement = document.createElement("div");
		this.fileProgressElement.className = "progressContainer";

		var progressCancel = document.createElement("a");
		progressCancel.className = "progressCancel";
		progressCancel.href = "#";
		progressCancel.style.visibility = "hidden";
		progressCancel.appendChild(document.createTextNode(" "));

		var progressText = document.createElement("div");
		progressText.className = "progressName";
		progressText.appendChild(document.createTextNode(file.name));

		var progressBar = document.createElement("div");
		progressBar.className = "progressBarInProgress";

		var progressStatus = document.createElement("div");
		progressStatus.className = "progressBarStatus";
		progressStatus.innerHTML = "&nbsp;";

		this.fileProgressElement.appendChild(progressCancel);
		this.fileProgressElement.appendChild(progressText);
		this.fileProgressElement.appendChild(progressStatus);
		this.fileProgressElement.appendChild(progressBar);

		this.fileProgressWrapper.appendChild(this.fileProgressElement);

		document.getElementById(targetID).appendChild(this.fileProgressWrapper);
		fadeIn(this.fileProgressWrapper, 0);

	} else {
		this.fileProgressElement = this.fileProgressWrapper.firstChild;
		this.fileProgressElement.childNodes[1].firstChild.nodeValue = file.name;
	}

	this.height = this.fileProgressWrapper.offsetHeight;

}
FileProgress.prototype.setProgress = function (percentage) {
	this.fileProgressElement.className = "progressContainer green";
	this.fileProgressElement.childNodes[3].className = "progressBarInProgress";
	this.fileProgressElement.childNodes[3].style.width = percentage + "%";
};
FileProgress.prototype.setComplete = function () {
	this.fileProgressElement.className = "progressContainer blue";
	this.fileProgressElement.childNodes[3].className = "progressBarComplete";
	this.fileProgressElement.childNodes[3].style.width = "";

};
FileProgress.prototype.setError = function () {
	this.fileProgressElement.className = "progressContainer red";
	this.fileProgressElement.childNodes[3].className = "progressBarError";
	this.fileProgressElement.childNodes[3].style.width = "";

};
FileProgress.prototype.setCancelled = function () {
	this.fileProgressElement.className = "progressContainer";
	this.fileProgressElement.childNodes[3].className = "progressBarError";
	this.fileProgressElement.childNodes[3].style.width = "";

};
FileProgress.prototype.setStatus = function (status) {
	this.fileProgressElement.childNodes[2].innerHTML = status;
};

FileProgress.prototype.toggleCancel = function (show, swfuploadInstance) {
	this.fileProgressElement.childNodes[0].style.visibility = show ? "visible" : "hidden";
	if (swfuploadInstance) {
		var fileID = this.fileProgressID;
		this.fileProgressElement.childNodes[0].onclick = function () {
			swfuploadInstance.cancelUpload(fileID);
			return false;
		};
	}
};
