//プリロード
var img=new Array(),noaction=new Array()
//文字サイズ変更ボタン
img[0]=new Image();img[0].src = "images/text_size_bt_01.gif";
img[1]=new Image();img[1].src = "images/text_size_bt_01_ro.gif";
img[2]=new Image();img[2].src = "images/text_size_bt_02.gif";
img[3]=new Image();img[3].src = "images/text_size_bt_02_ro.gif";
img[4]=new Image();img[4].src = "images/text_size_bt_03.gif";
img[5]=new Image();img[5].src = "images/text_size_bt_03_ro.gif";
//ヘッダーメニューボタン
img[6]=new Image();img[6].src = "images/head_menu_01.gif";
img[7]=new Image();img[7].src = "images/head_menu_01_ro.gif";
img[8]=new Image();img[8].src = "images/head_menu_02.gif";
img[9]=new Image();img[9].src = "images/head_menu_02_ro.gif";
img[10]=new Image();img[10].src = "images/head_menu_03.gif";
img[11]=new Image();img[11].src = "images/head_menu_03_ro.gif";
//メニューボタン
img[12]=new Image();img[12].src = "images/menu_01.gif";
img[13]=new Image();img[13].src = "images/menu_01_ro.gif";
img[14]=new Image();img[14].src = "images/menu_02.gif";
img[15]=new Image();img[15].src = "images/menu_02_ro.gif";
img[16]=new Image();img[16].src = "images/menu_03.gif";
img[17]=new Image();img[17].src = "images/menu_03_ro.gif";
img[18]=new Image();img[18].src = "images/menu_04.gif";
img[19]=new Image();img[19].src = "images/menu_04_ro.gif";
img[20]=new Image();img[20].src = "images/menu_05.gif";
img[21]=new Image();img[21].src = "images/menu_05_ro.gif";
img[22]=new Image();img[22].src = "images/menu_06.gif";
img[23]=new Image();img[23].src = "images/menu_06_ro.gif";
img[24]=new Image();img[24].src = "images/menu_07.gif";
img[25]=new Image();img[25].src = "images/menu_07_ro.gif";
img[26]=new Image();img[26].src = "images/menu_08.gif";
img[27]=new Image();img[27].src = "images/menu_08_ro.gif";
img[28]=new Image();img[28].src = "images/menu_09.gif";
img[29]=new Image();img[29].src = "images/menu_09_ro.gif";
img[30]=new Image();img[30].src = "images/menu_10.gif";
img[31]=new Image();img[31].src = "images/menu_10_ro.gif";
//回復期リハビリテーション病棟
img[32]=new Image();img[32].src = "images/bt_01.gif";
img[33]=new Image();img[33].src = "images/bt_01_ro.gif";
//ヘッダーメニューボタン追加
img[34]=new Image();img[34].src = "images/head_menu_04.gif";
img[35]=new Image();img[35].src = "images/head_menu_04_ro.gif";
//スポーツ外来
img[36]=new Image();img[36].src = "images/bt_02.gif";
img[37]=new Image();img[37].src = "images/bt_02_ro.gif";

//チェンジイメージ
function change_image(name,num,click){
if(click)resetimg()
if(!noaction[name])
document.images[name].src=img[num].src
if(click)noaction[name]=true
}

// 文字サイズ変更ボタン
function resetimg(){
noaction['text_size_bt1']=false;change_image('text_size_bt1',0)
noaction['text_size_bt2']=false;change_image('text_size_bt2',2)
noaction['text_size_bt3']=false;change_image('text_size_bt3',4)
// noaction['画像名']=false;change_image('画像名',元画像番号)
// 必要な分だけ記述
}