// JavaScript Document

function changeS(){
 document.body.style.fontSize = "10px";

 image = new Array();
 image[0] = new Image();
 image[0].src = "http://www.image-design.jp/images/common/hFont1_on.gif"; //小
 image[1] = new Image();
 image[1].src = "http://www.image-design.jp/images/common/hFont2.gif"; //中
 image[2] = new Image();
 image[2].src = "http://www.image-design.jp/images/common/hFont3.gif"; //大

 document.getElementById("smls").src = image[0].src;
 document.getElementById("mids").src = image[1].src;
 document.getElementById("bigs").src = image[2].src;
}

function changeM(){
 document.body.style.fontSize = "12px";

 image = new Array();
 image[0] = new Image();
 image[0].src = "http://www.image-design.jp/images/common/hFont1.gif"; //小
 image[1] = new Image();
 image[1].src = "http://www.image-design.jp/images/common/hFont2_on.gif"; //中
 image[2] = new Image();
 image[2].src = "http://www.image-design.jp/images/common/hFont3.gif"; //大

 document.getElementById("smls").src = image[0].src;
 document.getElementById("mids").src = image[1].src;
 document.getElementById("bigs").src = image[2].src;
}

function changeB(){
 document.body.style.fontSize = "14px";

 image = new Array();
 image[0] = new Image();
 image[0].src = "http://www.image-design.jp/images/common/hFont1.gif"; //小
 image[1] = new Image();
 image[1].src = "http://www.image-design.jp/images/common/hFont2.gif"; //中
 image[2] = new Image();
 image[2].src = "http://www.image-design.jp/images/common/hFont3_on.gif"; //大

 document.getElementById("smls").src = image[0].src;
 document.getElementById("mids").src = image[1].src;
 document.getElementById("bigs").src = image[2].src;
}