function ShowPopup(ChapterID, ArticleID)
 {
 var defw = null;  
  
  args = "width=780,height=550,location=0,menubar=0,resizable=0,scrollbars=1,status=0,titlebar=0,toolbar=0,hotkeys=0,"
    + "screenx=20,"  //NN Only
    + "screeny=20,"  //NN Only
    + "left=20,"	 //IE Only
    + "top=20"       //IE Only

    if ((ArticleID=="") || (ArticleID==null))
		{
		defw = window.open("popup.asp?ChapterID="+ChapterID,"",args);
		}
	else
		{
		defw = window.open("popup.asp?ChapterID="+ChapterID+"&ArticleID="+ArticleID,"",args);
		}
	defw.focus();
 }