var count = 32;
var img = new Array();

for(i=0; i<count; i++){
	img[i] = new Image();
}

//トップページのボタン

img[0].src = "image/btn_oogata.gif";
img[1].src = "image/btn_tyugata.gif";
img[2].src = "image/btn_kogata.gif";
img[3].src = "image/btn_sonota.gif";
img[4].src = "image/btn_oogataon.gif";
img[5].src = "image/btn_tyugataon.gif";
img[6].src = "image/btn_kogataon.gif";
img[7].src = "image/btn_sonotaon.gif";

//２階層目以降のボタン

img[8].src = "../image/m_oogata.gif";
img[9].src = "../image/m_tyugata.gif";
img[10].src = "../image/m_kogata.gif";
img[11].src = "../image/m_sonota.gif";
img[12].src = "../image/m_oogata2.gif";
img[13].src = "../image/m_tyugata2.gif";
img[14].src = "../image/m_kogata2.gif";
img[15].src = "../image/m_sonota2.gif";
img[16].src = "../image/m_home.gif";
img[17].src = "../image/m_home2.gif";

//メニューボタン
img[18].src = "image/menu01.gif";
img[19].src = "image/menu02.gif";
img[20].src = "image/menu03.gif";
img[21].src = "image/menu04.gif";
img[22].src = "image/menu05.gif";
img[23].src = "image/menu06.gif";
img[24].src = "image/menu01_2.gif";
img[25].src = "image/menu02_2.gif";
img[26].src = "image/menu03_2.gif";
img[27].src = "image/menu04_2.gif";
img[28].src = "image/menu05_2.gif";
img[29].src = "image/menu06_2.gif";
img[30].src = "image/menu07.gif";
img[31].src = "image/menu07_2.gif";


function changeImg(num,ImgName){
	document.images[ImgName].src = img[num].src;
}

function openWin(url,winName,set){
 window.open(url,winName,set);
}


//OS判定

var osName = navigator.userAgent.toUpperCase();
var osSort;
if(osName.indexOf("WIN") >= 0){
	osSort = 10;

}else if(osName.indexOf("MAC") >= 0){
	osSort = 20;

}else if(osName.indexOf("X11") >= 0){
	osSort = 30;

}else{
	osSort = 40;
}