var fileSelected; 
var lastFileSelected; 


function fileQueueError(file, errorCode, message) {
	try {
		fileSelected++;
		var errorName = "";
		switch (errorCode) {
		case SWFUpload.errorCode_QUEUE_LIMIT_EXCEEDED:
			errorName = "You have attempted to queue too many files.";
		case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
			errorName = "You have attempted to upload a zero byte file.";
			break;
		case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
			errorName = "You have attempted to upload a file over size.";
			break;
		case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
		default:
			alert(message);
			break;
		}

		if (errorName !== "") {
			alert(errorName);
			return;
		}
	} catch (ex) {
		this.debug(ex);
	}

}

function fileDialogComplete(numFilesSelected, numFilesQueued) {
	try {
		if (numFilesQueued > 0) 
		{
			var fileSelect = this.getFile(fileSelected);
			fileSelected++;
			if(lastFileSelected != null)
			{
				this.cancelUpload(lastFileSelected.id)
			}
			lastFileSelected = fileSelect;
			var stat = this.getStats();
			var progress = addProgress(fileSelect, this);
			//progress.setStatus("please press 'submit' button to upload your photo.");
			//progress.setStatus("Please read the agreement below and select the check box. <br/>Then press the 'submit' button to upload your photo.");
			progress.setStatus("");
		}
	} catch (ex) {
		this.debug(ex);
	}
}

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("File has been uploaded successfully.");
			progress.toggleCancel(false, this);
		} else {
			progress.setStatus("<span class='notice'>Please wait, you file is being uploaded...</span>");
			//progress.toggleCancel(true, this);
		}
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadSuccess(file, serverData) {
	try {
		document.forms.lmc_form.uploaded_file_name.value = serverData;
		var progress = new FileProgress(file,  this.customSettings.upload_target);
		progress.setComplete();
		progress.toggleCancel(false);		
		//addImage("upload/thumbnail/" + serverData + ".jpg");						
		//progress.setStatus("upload success, please wait, form is submitting...");
		//setTimeout("document.uploadform.submit();",3000);

		//document.uploadform.submit();
		postform();
		
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadComplete(file) {
	try {
		/*  I want the next upload to continue automatically so I'll call startUpload here */
		//if fileSelected > 0 
		if( fileSelected > 0 ) {
			fileSelected--;
		}
		
		if (this.getStats().files_queued > 0) {
			this.startUpload();
		} else {
			//var progress = new FileProgress(file,  this.customSettings.upload_target);
			//progress.setComplete();
			//progress.toggleCancel(false);
		}
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadError(file, errorCode, message) {
	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);
				removeProgress(file,  this);
			}
			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:
			break;
		default:
			alert("We are sorry, but the upload was failed.\r\n If your keep getting this errors, please contact us for help.");
			var progress = getProgress(file,  this);
			progress.closeProgress();
			break;
		}
	} catch (ex3) {
		this.debug(ex3);
	}

}

function addProgress(file, uploader)
{
	var progressContainer = document.getElementById("swfu_container");
	progressContainer.style.display = "";
	var progress = new FileProgress(file,  uploader.customSettings.upload_target);
	return progress;
}

function getProgress(file, uploader)
{
	var progress = new FileProgress(file,  uploader.customSettings.upload_target);
	return progress;
}


function removeProgress(file, uploader)
{
	var progress = new FileProgress(file,  uploader.customSettings.upload_target);
	progress.closeProgress();
}


function addImage(src) {
	var newImg = document.createElement("img");
	newImg.className = "thumbimg";

	document.getElementById("thumbnails").appendChild(newImg);
	if (newImg.filters) {
		try {
			newImg.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.
			newImg.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + 0 + ')';
		}
	} else {
		newImg.style.opacity = 0;
	}

	newImg.onload = function () {
		fadeIn(newImg, 0);
	};
	newImg.src = src;
	
}

function fadeIn(element, opacity) {
	var reduceOpacityBy = 5;
	var rate = 30;	// 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.fileProgressID = targetID;
	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.getElementById(targetID + "_" + file.id);
	if (!this.fileProgressElement)
	{
		this.fileProgressElement = document.createElement("div");
		this.fileProgressElement.className = "progressContainer";
		this.fileProgressElement.id = targetID + "_" + file.id;
		
		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.innerHTML = "<strong>Photo:</strong>&nbsp;" + file.name + "&nbsp;&nbsp;&nbsp;<strong>Size:</strong>&nbsp;" + file.size + " bytes";
	
		var progressBar = document.createElement("div");
		progressBar.className = "progressBarInProgress hidden";
	
		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);
		fadeIn(this.fileProgressWrapper, 0);		
	}

	//this.fileProgressWrapper.appendChild(this.fileProgressElement);
	//document.getElementById(targetID).appendChild(this.fileProgressWrapper);
	//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 + "%";
	this.fileProgressElement.childNodes[3].innerHTML = percentage + "%";
};

FileProgress.prototype.setComplete = function () {
	this.fileProgressElement.className = "progressContainer green";
	this.fileProgressElement.childNodes[3].className = "progressBarComplete";
	this.fileProgressElement.childNodes[3].style.width = "100%";
	this.fileProgressElement.childNodes[3].innerHTML = "100%";	

};

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;
	if(status == "") {
		AddCssClass(this.fileProgressElement.childNodes[2], "hidden");
	}
	else {
		RemoveCssClass(this.fileProgressElement.childNodes[2], "hidden");
	}
};

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;
		};
	}
};

FileProgress.prototype.closeProgress = function () {
	this.fileProgressWrapper.removeChild(this.fileProgressElement);
};