<!--
  btn10=new Image();
  btn20=new Image();
  btn30=new Image();
  btn40=new Image();
  btn50=new Image();
  btn60=new Image();
  btn70=new Image();
  btn80=new Image();
  btn90=new Image();
  btn11=new Image();
  btn21=new Image();
  btn31=new Image();
  btn41=new Image();
  btn51=new Image();
  btn61=new Image();
  btn71=new Image();
  btn81=new Image();
  btn91=new Image();
  
  btn10.src="design/leftmenu1.gif"
  btn20.src="design/leftmenu2.gif"
  btn30.src="design/leftmenu3.gif"
  btn40.src="design/leftmenu4.gif"
  btn50.src="design/leftmenu5.gif"
  btn60.src="design/leftmenu6.gif"
  btn70.src="design/menu1.gif"
  btn80.src="design/menu2.gif"
  btn90.src="design/menu3.gif"
  btn11.src="design/leftmenu1_on.gif"
  btn21.src="design/leftmenu2_on.gif"
  btn31.src="design/leftmenu3_on.gif"
  btn41.src="design/leftmenu4_on.gif"
  btn51.src="design/leftmenu5_on.gif"
  btn61.src="design/leftmenu6_on.gif"
  btn71.src="design/menu1_on.gif"
  btn81.src="design/menu2_on.gif"
  btn91.src="design/menu3_on.gif"
  
//-->