1 function centerParms(width,height,extra) {
 
   2   xPos = (screen.width - width) / 2;
 
   3   yPos = (screen.height - height) / 2;
 
   5   string = "left=" + xPos + ",top=" + yPos;
 
   8     string += "width=" + width + ",height=" + height;
 
  13 function set_history_window(id,trans_id_type) {
 
  14   var parm = centerParms(800,500) + ",width=800,height=500,status=yes,scrollbars=yes";
 
  17     "INPUT_ENCODING=UTF-8&" +
 
  18     "action=show_history&" +
 
  19     "longdescription=" + "&" +
 
  20     "trans_id_type=" + encodeURIComponent(trans_id_type) + "&" +
 
  21     "input_name=" + encodeURIComponent(id) + "&"
 
  22   window.open(url, "_new_generic", parm);