var suo;
var upload_mode_what;
var board_type;
var najaxform_name;
var my_swfupload_debug_mode = false;

function flash_uploader( pid, upfiles_which, max_upsize, max_upcnt, Allow_Upload_Ext ) {
	var Allow_Upload_Extis = "*."+Allow_Upload_Ext.replaceAll(",",";*.");
		
	var settings = {
		flash_url : "/js/swf_upload/swfupload_v220b5.swf",
		upload_url: upfiles_which,
		file_size_limit : max_upsize,
		file_types : Allow_Upload_Extis,
		file_types_description : "÷ºÎÆÄÀÏ",
		file_upload_limit : max_upcnt,
		file_queue_limit : max_upcnt,
		custom_settings : {
			progressTarget : "fsUploadProgress"
		},
		debug: false,
		
		// Button Settings
		button_placeholder_id : "fappend",
		button_image_url : "/images/swf_upload/btn_filesearch.gif",
		button_width: 65,
		button_height: 18,
		button_window_mode: SWFUpload.WINDOW_MODE.TRANSPARENT,
		button_cursor: SWFUpload.CURSOR.HAND,
		button_action : SWFUpload.BUTTON_ACTION.SELECT_FILES,
		
		swfupload_loaded_handler : fileUploadReady,
		//file_dialog_start_handler : fileDialogStart,
		file_queued_handler : fileQueued,
		file_queue_error_handler : fileQueueError,
		upload_start_handler : uploadStart,
		upload_progress_handler : uploadProgress,
		file_dialog_complete_handler : fileDialogStart,
		upload_error_handler : uploadError,
		upload_success_handler : uploadSuccess,
		minimum_flash_version : "9.0.28", //10.0.12
		swfupload_pre_load_handler : fileUploadReady
	};
	
	var nhid = new Element("input",{"type":"hidden","id":"user_file","name":"user_file"});
	$(pid).appendChild(nhid);
	
	var flash_upload_div = new Element("div",{"id":"flash_upload_div"});
	$(pid).appendChild(flash_upload_div);

	var fu_comment = new Element("div",{"id":"fu_comment"});
	flash_upload_div.appendChild(fu_comment);
	
	var fu_btn = new Element("div",{"id":"fu_btn"});
	flash_upload_div.appendChild(fu_btn);
	
	var fcomment = new Element("div",{"id":"fcomment"});
	fu_btn.appendChild(fcomment);
	
	var f_total = new Element("div",{"id":"f_total"}).update("ÃÑ 0°³(0 KB) ");
	fu_btn.appendChild(f_total);
	
	var fud = new Element("div",{"id":"fud"});
	flash_upload_div.appendChild(fud);
	
	var fu_bar = new Element("div",{"id":"fu_bar"});
	fud.appendChild(fu_bar);
	
	var fu_check = new Element("div",{"class":"fu_check"});
	fu_bar.appendChild(fu_check);
	fu_check.addClassName("fu_check");
	
	var fu_check_b = new Element("input",{"type":"checkbox","id":"selectall","name":"selectall"});
	fu_check_b.style.border = "0px";
	fu_check.appendChild(fu_check_b);
	Event.observe( fu_check_b, "click", file_checked);
	
	var fu_check = new Element("div",{"class":"fu_split"});
	fu_bar.appendChild(fu_check);
	fu_check.addClassName("fu_split");

	var fu_filename = new Element("div",{"class":"fu_filename"}).update("ÆÄÀϸí");
	fu_bar.appendChild(fu_filename);
	fu_filename.addClassName("fu_filename");
	
	var fu_check = new Element("div",{"class":"fu_split"});
	fu_bar.appendChild(fu_check);
	fu_check.addClassName("fu_split");
	
	var fu_filesize = new Element("div",{"class":"fu_filesize"}).update("ÆÄÀÏÅ©±â");
	fu_bar.appendChild(fu_filesize);
	fu_filesize.addClassName("fu_filesize");
	
	var fu_item_set = new Element("div",{"id":"fu_item_set"});
	fud.appendChild(fu_item_set);
	
	var fappendDiv = new Element("div",{"id":"fappendDiv"});
	flash_upload_div.appendChild(fappendDiv);
	
	var fappend = new Element("span",{"id":"fappend"});
	fappendDiv.appendChild(fappend);
	
	var fcancel = new Element("img",{"id":"fcancel","src":"/images/swf_upload/btn_filemove.gif","align":"abstop","alt":"ÆÄÀÏÁ¦°Å","hspace":"2","width":"65","height":"18"});
	fcancel.style.cursor = "pointer";
	fcancel.style.display = "none";
	fappendDiv.appendChild(fcancel);
	Event.observe( fcancel, "click", cancel_upload);
	
	if ( my_swfupload_debug_mode == true ) {
		var my_swfupload_debug_mode_fieldset = new Element("fieldset");
		$(pid).appendChild(my_swfupload_debug_mode_fieldset);
		my_swfupload_debug_mode_fieldset.setStyle({"marginTop":"20px"});
		
		var my_swfupload_debug_mode_fieldset_legend = new Element("legend").update("SWF UPLOAD DEBUG");
		my_swfupload_debug_mode_fieldset.appendChild(my_swfupload_debug_mode_fieldset_legend);
		
		var my_swfupload_debug_mode_div = new Element("div",{"id":"my_swfupload_debug_mode_div"});
		my_swfupload_debug_mode_fieldset.appendChild(my_swfupload_debug_mode_div);
	}
	
	suo = new SWFUpload(settings);
}

function fileUploadReady() {
	fup = parseInt( suo.getSetting("file_upload_limit"), 10 );
	flimit_size = parseFloat(suo.getSetting("file_size_limit"),10);
	$("fcomment").innerHTML = "¡Ø ÷ºÎÆÄÀÏÀº ÃÑ "+file_size_return(flimit_size*1024)+" (ÃÖ´ë "+fup+"°³)±îÁö ¾÷·Îµå °¡´ÉÇÕ´Ï´Ù.";
	if ( fup == 0 ) suo.setButtonDisabled(true);
	else if ( fup > 0 ) suo.setButtonDisabled(false);
	if ( my_swfupload_debug_mode == true ) $("my_swfupload_debug_mode_div").innerHTML += "<br /><strong style='color: #F60;'>¢º fileUploadReady </strong><br /> &nbsp;&nbsp;&nbsp;- file_upload_limit : "+fup+", - file_size_limit : "+flimit_size+"<br />";
}

function file_checked() {
	itms_ary = $("fu_item_set").childElements();
	item_len = itms_ary.length;
	
	if ( $("selectall").checked == true ) {
		for ( i = 0; i < item_len; i++ ) $("cb_"+itms_ary[i].id).checked = true;
	} else {
		for ( i = 0; i < item_len; i++ ) $("cb_"+itms_ary[i].id).checked = false;
	}
	if ( my_swfupload_debug_mode == true ) $("my_swfupload_debug_mode_div").innerHTML += "<br /><strong style='color: #F60;'>¢º file_checked </strong><br /> &nbsp;&nbsp;&nbsp; - fu_item_set.length : "+item_len+"<br />";
	file_checked_overlab();
}

function file_checked_overlab() {
	fsize = 0;
	itms_ary = $("fu_item_set").childElements();
	item_len = itms_ary.length;
	for ( i = 0; i < item_len; i++ ) {
		if ( $("cb_"+itms_ary[i].id).checked == true ) itms_ary[i].addClassName("items_sel");
		else itms_ary[i].removeClassName("items_sel");
		fsize += parseInt( $("fu_hfsize_"+itms_ary[i].id).innerHTML, 10);
	}
	
	$("f_total").innerHTML = "ÃÑ "+item_len+"°³("+file_size_return(fsize)+") ";
	if ( my_swfupload_debug_mode == true ) $("my_swfupload_debug_mode_div").innerHTML += "<br /><strong style='color: #F60;'>¢º file_checked_overlab </strong><br /> &nbsp;&nbsp;&nbsp; - fu_item_set.length : "+item_len+"<br />";
}

function toggle_checkbox( tid ) {
	if ( my_swfupload_debug_mode == true ) $("my_swfupload_debug_mode_div").innerHTML += "<br /><strong style='color: #F60;'>¢º toggle_checkbox<br />";
	if ( $("cb_"+tid).checked == true ) $("cb_"+tid).checked = false;
	else $("cb_"+tid).checked = true;
	file_checked_overlab();
}

function fileDialogStart() { if ( my_swfupload_debug_mode == true ) $("my_swfupload_debug_mode_div").innerHTML += "<br /><strong style='color: #F60;'>¢º fileDialogStart<br />";  }

function fileQueued( fileObj ) {
	try {
		var conti_fupload = "YES";
		
		itms_ary = $("fu_item_set").childElements();
		item_len = itms_ary.length;
		for ( i = 0; i < item_len ; i++ ) {
			if ( itms_ary[i].name == fileObj.name ) {
				conti_fupload = "NO";
				break;
			}
		}

		max_upload = parseInt(suo.getSetting("file_upload_limit"), 10);
		now_queues = parseInt(suo.getStats().files_queued, 10);

		if ( max_upload <=  now_queues) suo.setButtonDisabled(true);
		if ( now_queues != 0 ) $("fcancel").style.display = "inline";
		
		if ( conti_fupload == "NO" ) {
			alert( fileObj.name + "ÆÄÀÏÀº ÀÌ¹Ì Ã·ºÎµÇ¾î ÀÖ½À´Ï´Ù." );
			suo.cancelUpload( fileObj.id );
		} else {
			var fu_items = new Element("div",{id:fileObj.id,"name":fileObj.name,"class":"fu_item","title":"Ŭ¸¯ÇϽøé ["+fileObj.name+"]ÆÄÀÏÀÌ ¼±ÅÃÀÌ µË´Ï´Ù."});
			$("fu_item_set").appendChild(fu_items);
			Event.observe( fu_items, "click", function() { toggle_checkbox(this.id); } );
			
			var nchk_div = new Element("div",{"class":"fu_initem"});
			nchk_div.style.width = "7%";
			nchk_div.style.textAlign = "center";
			fu_items.appendChild(nchk_div);
			nchk_div.addClassName("fu_initem");
			
			var nchk = new Element("input",{id:"cb_"+fileObj.id,"class":"fu_initem","type":"checkbox"});
			nchk.style.border = "0px";
			nchk.style.marginLeft = "10px";
			nchk_div.appendChild(nchk);
			Event.observe( nchk, "click", function() { toggle_checkbox( this.id.substring(3,this.id.length) ); });
			nchk.addClassName("fu_initem");
			
			var nfname = new Element("div",{"id":"fname_"+fileObj.id,"class":"fu_initem"}).update("<span id='"+fileObj.id+"_progress' class='progress'>[´ë±â] </span>"+fileObj.name);
			nfname.style.paddingTop = "2px";
			nfname.style.width = "72%";
			fu_items.appendChild(nfname);
			nfname.addClassName("fu_initem");
			
			var nfsize = new Element("div",{"class":"fu_initem"}).update( file_size_return(fileObj.size) );
			nfsize.style.paddingTop = "2px";
			nfsize.style.width = "20%";
			nfsize.style.textAlign = "right";
			fu_items.appendChild(nfsize);
			nfsize.addClassName("fu_initem");
			
			var nfsize_hid = new Element("span",{"id":"fu_hfsize_"+fileObj.id,"class":"hfsize"}).update(fileObj.size);
			nfsize_hid.style.display = "none";
			fu_items.appendChild(nfsize_hid);
			nfsize_hid.addClassName("hfsize");
			
			var ncomment = new Element("div",{"class":"ncomment"}).update("<img src=\"/images/swf_upload/file_comment_title.gif\" alt=\"ÆÄÀÏ ¼³¸í¹®±¸\" align=\"absmiddle\" /> ");
			fu_items.appendChild(ncomment);
			ncomment.addClassName("ncomment");
			
			var default_name_ary = fileObj.name.split(".");
			var default_name = default_name_ary[0];
			
			var ncomment_input = new Element("input",{"type":"text","id":"fc_"+fileObj.id,"name":"user_file_comments[]","class":"input","value":default_name});
			ncomment.appendChild(ncomment_input);
			
			file_checked_overlab();
		}
		if ( my_swfupload_debug_mode == true ) $("my_swfupload_debug_mode_div").innerHTML += "<br /><strong style='color: #F60;'>¢º fileQueued </strong><br /> &nbsp;&nbsp;&nbsp; - conti_fupload : "+conti_fupload+", - file_upload_limit : "+max_upload+", files_queued : "+now_queues+"<br />";
	} catch (ex) { this.debug(ex); }
}

function cancel_upload() {
	selcnt = 0;
	max_upload = parseInt(suo.getSetting("file_upload_limit"), 10);
	itms_ary = $("fu_item_set").childElements();
	item_len = itms_ary.length;
	for ( i = 0; i < item_len; i++ ) {
		if ( $("cb_"+itms_ary[i].id).checked == true ) selcnt++;
	}
		
	if ( selcnt == 0 ) {
		alert("»èÁ¦ÇÏ°íÀÚ ÇÏ´Â ÆÄÀÏÀ» ¼±ÅÃÇϼ¼¿ä.");
		return;
	} else {
		for ( i = 0; i < item_len; i++ ) {
			if ( $("cb_"+itms_ary[i].id).checked == true ) {
				itms_ary[i].remove();
				suo.cancelUpload( itms_ary[i].id );
			}
		}

		now_queued = parseInt(suo.getStats().files_queued, 10);
		if ( now_queued == 0 ) $("fcancel").style.display = "none";
		if ( max_upload <= now_queued ) {
			suo.setButtonDisabled(true);
		} else  {
			suo.setButtonDisabled(false);
		}
		file_checked_overlab();
	}
	if ( my_swfupload_debug_mode == true ) $("my_swfupload_debug_mode_div").innerHTML += "<br /><strong style='color: #F60;'>¢º cancel_upload </strong><br /> &nbsp;&nbsp;&nbsp; - max_upload : "+max_upload+", - fu_item_set.length : "+item_len+", - files_queued : "+now_queued+"<br />";
}

function custom_upload_start( what, this_type_set ) {
	if ( my_swfupload_debug_mode == true ) $("my_swfupload_debug_mode_div").innerHTML += "<br /><strong style='color: #F60;'>¢º custom_upload_start<br />";
	upload_mode_what = what;
	board_type = this_type_set;
	
	itms_ary = $("fu_item_set").childElements();
	now_queued = itms_ary.length;
	
	if ( now_queued == 0 ) fileupload_clear();
	else suo.startUpload();
}

function uploadStart( fileObj ) {
	if ( my_swfupload_debug_mode == true ) $("my_swfupload_debug_mode_div").innerHTML += "<br /><strong style='color: #F60;'>¢º uploadStart </strong><br /> &nbsp;&nbsp;&nbsp; - fileObj.id : "+fileObj.id+"<br />";
	try { suo.removeFileParam(fileObj.id, "objid"); } catch(e) { }
	suo.addFileParam( fileObj.id, "objid", fileObj.id );
	return true;
}

function uploadSuccess(fileObj, server_data) {
	if ( my_swfupload_debug_mode == true ) $("my_swfupload_debug_mode_div").innerHTML += "<br /><strong style='color: #F60;'>¢º uploadSuccess </strong><br /> &nbsp;&nbsp;&nbsp; - fileObj :"+fileObj.id+", - server_data : "+server_data+"<br />";
	if ( $("user_file").value != "" ) $("user_file").value += ",";
	$("user_file").value += server_data;
	now_queued = parseInt(suo.getStats().files_queued, 10);
	if ( now_queued != 0 ) suo.startUpload();
	else fileupload_clear();
}

function fileupload_clear() {
	if ( my_swfupload_debug_mode == true ) $("my_swfupload_debug_mode_div").innerHTML += "<br /><strong style='color: #F60;'>¢º fileupload_clear<br />";
	if ( board_type == "AJAX" ) {
		try { nboard.mask_stop(); } catch(e) {}
		try {
			nboard.write_edit_form_up( upload_mode_what );
		} catch(e) {
			debate.write_edit_form_up( upload_mode_what );
		}
	} else {
		//loading_stop();
		najaxform_name.submit();
	}
}

function uploadProgress(fileObj, bytesLoaded, bytesTotal) {
	try {
		var percent = Math.ceil((bytesLoaded / bytesTotal) * 100);
		if ( percent != 100 ) $(fileObj.id+"_progress").innerHTML = "["+percent+"%] ";
		else $(fileObj.id+"_progress").innerHTML = "[¿Ï·á] ";		
	} catch (ex) { this.debug(ex); }
	if ( my_swfupload_debug_mode == true ) $("my_swfupload_debug_mode_div").innerHTML += "<br /><strong style='color: #F60;'>¢º uploadProgress </strong><br /> &nbsp;&nbsp;&nbsp; - fileObj : "+fileObj.id+"("+percent+"%)<br />";
}

function fileQueueError(fileObj, error_code, message) {
	if ( my_swfupload_debug_mode == true ) $("my_swfupload_debug_mode_div").innerHTML += "<br /><strong style='color: #F60;'>¢º fileQueueError </strong><br /> &nbsp;&nbsp;&nbsp; - fileObj : "+fileObj.id+"<br />";
	try {
		if (error_code === SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED) {
			alert("÷ºÎÆÄÀÏ °³¼ö°¡ Çã¿ë·®À» ÃÊ°úÇÏ¿´½À´Ï´Ù.");
			this.debug("÷ºÎÆÄÀÏ °³¼ö°¡ Çã¿ë·®À» ÃÊ°úÇÏ¿´½À´Ï´Ù.  " + (message === 0 ? "You have reached the upload limit." : "You may select " + (message > 1 ? "up to " + message + " files." : "one file.")));
			return;
		}

		switch(error_code) {
			case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
				alert("÷ºÎÆÄÀÏÀÇ Å©±â°¡ ÃÖ´ë Çã¿ëÅ©±â¸¦ ÃÊ°úÇÏ¿© ¾÷·Îµå ÇϽǼö ¾ø½À´Ï´Ù.\n\n "+fileObj.name+"["+ file_size_return(fileObj.size)+"]");
				this.debug("Error Code: File too big, File name: " + fileObj.name + ", File size: " + fileObj.size + ", Message: " + message);
				break;
			case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
				alert("÷ºÎÆÄÀÏÀÌ 0BytesÀÎ ÆÄÀÏÀº ¾÷·Îµå ÇϽǼö ¾ø½À´Ï´Ù.");
				this.debug("Error Code: Zero byte file, File name: " + fileObj.name + ", File size: " + fileObj.size + ", Message: " + message);
				break;
			case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
				alert("÷ºÎÆÄÀÏ·Î ¾÷·Îµå Çã¿ëµÈ È®ÀåÀÚ°¡ ¾Æ´Õ´Ï´Ù.");
				this.debug("Error Code: Invalid File Type, File name: " + fileObj.name + ", File size: " + fileObj.size + ", Message: " + message);
				break;
			case SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED:
				alert("÷ºÎÆÄÀÏ °³¼ö°¡ Çã¿ë·®À» ÃÊ°úÇÏ¿´½À´Ï´Ù.");
				this.debug("÷ºÎÆÄÀÏ °³¼ö°¡ Çã¿ë·®À» ÃÊ°úÇÏ¿´½À´Ï´Ù.  " +  (message > 1 ? "You may only add " +  message + " more files" : "You cannot add any more files."));
				break;
			default:
				if (fileObj !== null) {
					alert("Unhandled Error");
				}
				this.debug("Error Code: " + error_code + ", File name: " + fileObj.name + ", File size: " + fileObj.size + ", Message: " + message);
				break;
		}
	} catch (ex) {
        this.debug(ex);
    }
}

function uploadError(fileObj, error_code, message) {
	if ( my_swfupload_debug_mode == true ) $("my_swfupload_debug_mode_div").innerHTML += "<br /><strong style='color: #F60;'>¢º uploadError </strong><br /> &nbsp;&nbsp;&nbsp; - fileObj : "+fileObj.id+"<br />";
	try {
		switch(error_code) {
			case SWFUpload.UPLOAD_ERROR.HTTP_ERROR:
				alert("Upload Error: " + message);
				this.debug("Error Code: HTTP Error, File name: " + fileObj.name + ", Message: " + message);
				break;
			case SWFUpload.UPLOAD_ERROR.MISSING_UPLOAD_URL:
				alert("Configuration Error");
				this.debug("Error Code: No backend file, File name: " + fileObj.name + ", Message: " + message);
				break;
			case SWFUpload.UPLOAD_ERROR.UPLOAD_FAILED:
				alert("Upload Failed.");
				this.debug("Error Code: Upload Failed, File name: " + fileObj.name + ", File size: " + fileObj.size + ", Message: " + message);
				break;
			case SWFUpload.UPLOAD_ERROR.IO_ERROR:
				alert("Server (IO) Error");
				this.debug("Error Code: IO Error, File name: " + fileObj.name + ", Message: " + message);
				break;
			case SWFUpload.UPLOAD_ERROR.SECURITY_ERROR:
				alert("Security Error");
				this.debug("Error Code: Security Error, File name: " + fileObj.name + ", Message: " + message);
				break;
			case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
				alert("Upload limit exceeded.");
				this.debug("Error Code: Upload Limit Exceeded, File name: " + fileObj.name + ", File size: " + fileObj.size + ", Message: " + message);
				break;
			case SWFUpload.UPLOAD_ERROR.SPECIFIED_FILE_ID_NOT_FOUND:
				alert("File not found.");
				this.debug("Error Code: The file was not found, File name: " + fileObj.name + ", File size: " + fileObj.size + ", Message: " + message);
				break;
			case SWFUpload.UPLOAD_ERROR.FILE_VALIDATION_FAILED:
				alert("Failed Validation.  Upload skipped.");
				this.debug("Error Code: File Validation Failed, File name: " + fileObj.name + ", File size: " + fileObj.size + ", Message: " + message);
				break;
			case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
				if (this.getStats().files_queued === 0) {
					$("fcancel").disabled = true;
				}
				break;
			case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
				alert("Stopped");
				break;
			default:
				alert("Unhandled Error: " + error_code);
				this.debug("Error Code: " + error_code + ", File name: " + fileObj.name + ", File size: " + fileObj.size + ", Message: " + message);
				break;
		}
	} catch (ex) {
        this.debug(ex);
    }
}

function file_size_return( siz ) {
	org_size = parseFloat(siz, 10);
	var rret = "";
	
	ret = Math.floor( org_size / 1024 );
	if ( ret > 0 ) {
		ret1 = Math.floor( ret / 1024);
		if ( ret1 > 0 ) {
			 rret = ret1+" MBytes";
		} else rret = ret+" KBytes";
	} else rret = org_size+" Bytes";
	return rret;
}