// 업로드 경로 설정 
  var UPLOAD_URL = null;  
  var FILE_EXT_NAMES =  null;
  var LECT_NOTE_FILE_EXT_NAMES = "*.pdf;*.doc;*.txt;*.ppt;*.xls;*.rft;*.zip;*.rar;*.tar;*.alz";
  var LECT_FILE_EXT_NAMES 		= "*.avi;*.mpg;*.mpeg;*.wmv;*.mp4;*.asf;*.asx;*.mov;*.dat;*.mp3;*.wma;*.wav";
  var IMG_FILES = "*.jpg;*.jpeg;*.gif;*.png";  
  var SWF_FILE_EXT_NAMES 		= "*.swf";
  
  
  var PROGRESS_BAR_WIDTH = 220;
  
  var PROGRESS_DIV = null;
  var FILENAME_FIELD = null;
  var PREVIEW_FIELD = null;