ima1on=new Image()
ima2on=new Image()
ima3on=new Image()
ima4on=new Image()
ima5on=new Image()


ima1off=new Image()
ima2off=new Image()
ima3off=new Image()
ima4off=new Image()
ima5off=new Image()


ima1on.src="/japan/img1/ppt_y.gif"
ima2on.src="/japan/img1/dg_y.gif"
ima3on.src="/japan/img1/is_y.gif"
ima4on.src="/japan/img1/pack_y.gif"
ima5on.src="/japan/img1/cus_y.gif"


ima1off.src="/japan/img1/ppt_m.gif"
ima2off.src="/japan/img1/dg_m.gif"
ima3off.src="/japan/img1/is_m.gif"
ima4off.src="/japan/img1/pack_m.gif"
ima5off.src="/japan/img1/cus_m.gif"

function onima(bn)
{
	imaon = eval(bn+"on")
	document [bn].src = imaon.src
}

function offima(bn)
{
	imaoff = eval(bn+"off")
	document [bn].src = imaoff.src
}
	
function showmenu(num)
{
  hidemenu();
  document.all[num].style.visibility="visible";
}

function hidemenu()
{
  for (i=1;i<6;i++)
  {
	  var hidediv = "menu" + i
	  document.all[hidediv].style.visibility="hidden";
  }
}