// text-size



function fontset(i){
var set = document.getElementById('fonts1').style;
var img01 = new Image();
var img02 = new Image();
var img03 = new Image();
var img04 = new Image();
var img05 = new Image();
var img06 = new Image();
img01.src = "http://www.hikari.co.jp/images/new/en/icon_s_off.gif";
img02.src = "http://www.hikari.co.jp/images/new/en/icon_s_on.gif";
img03.src = "http://www.hikari.co.jp/images/new/en/icon_m_off.gif";
img04.src = "http://www.hikari.co.jp/images/new/en/icon_m_on.gif";
img05.src = "http://www.hikari.co.jp/images/new/en/icon_l_off.gif";
img06.src = "http://www.hikari.co.jp/images/new/en/icon_l_on.gif";
 switch(i){
  case 1:
   set.fontSize = "12px"
   document.cmiddle.src = img04.src;
   document.clarge.src = img06.src;
   document.csmall.src = img01.src;
   break;
  case 2:
   set.fontSize = "14px"
   document.csmall.src = img02.src;
   document.clarge.src = img06.src;
   document.cmiddle.src = img03.src;
   break;
  case 3:
   set.fontSize = "16px"
   document.csmall.src = img02.src;
   document.cmiddle.src = img04.src;
   document.clarge.src = img05.src;
   break;
   default:
   set.fontSize = "12px"
   document.cmiddle.src = img04.src;
   document.clarge.src = img06.src;
   document.csmall.src = img01.src;
   break;

 }
}