menu01_on=new Image()
  menu01_on.src="http://images.joins.com/event/topmenu01.gif"
  menu01_ov=new Image()
  menu01_ov.src="http://images.joins.com/event/topmenu01Over.gif"
   
  menu02_on=new Image(99.44)
  menu02_on.src="http://images.joins.com/event/topmenu02.gif"
  menu02_ov=new Image(99.44)
  menu02_ov.src="http://images.joins.com/event/topmenu02Over.gif" 
  
  menu03_on=new Image(116.44)
  menu03_on.src="http://images.joins.com/event/topmenu03.gif"
  menu03_ov=new Image(116.44)
  menu03_ov.src="http://images.joins.com/event/topmenu03Over.gif" 
 
  menu04_on=new Image(100.44)
  menu04_on.src="http://images.joins.com/event/topmenu04.gif"
  menu04_ov=new Image(100.44)
  menu04_ov.src="http://images.joins.com/event/topmenu04Over.gif"