// ランダムに広告画像を表示する
jmp = new Array();
img = new Array();

// ジャンプ先のアドレス(数字は画像と対応)
jmp[0] = "http://www.westwoodmx.co.jp/shop/index.php?main_page=index&cPath=33_59583";
jmp[1] = "http://www.westwoodmx.co.jp/shop/index.php?main_page=index&cPath=49_49521";
jmp[2] = "http://www.westwoodmx.co.jp/shop/index.php?cPath=35_35489";
jmp[3] = "http://www.westwoodmx.co.jp/shop/index.php?main_page=index&cPath=37_59723_59725";
jmp[4] = "http://www.westwoodmx.co.jp/shop/index.php?main_page=index&cPath=33_59591_59714";

jmp[5] = "http://www.westwoodmx.co.jp/shop/index.php?main_page=index&cPath=59737";
jmp[6] = "http://www.westwoodmx.co.jp/shop/index.php?main_page=index&cPath=53_53142";
jmp[7] = "http://www.westwoodmx.co.jp/shop/index.php?main_page=index&cPath=31_59812";
jmp[8] = "http://www.westwoodmx.co.jp/shop/index.php?main_page=index&cPath=36_36482";
jmp[9] = "http://www.westwoodmx.co.jp/shop/index.php?main_page=index&cPath=44_44502";

jmp[10] = "http://www.westwoodmx.co.jp/shop/index.php?main_page=index&cPath=35_35477";
jmp[11] = "http://www.westwoodmx.co.jp/shop/index.php?main_page=index&cPath=34_34492";
jmp[12] = "http://www.westwoodmx.co.jp/shop/index.php?・main_page=index&cPath=46_46504";
jmp[13] = "http://www.westwoodmx.co.jp/shop/index.php?main_page=index&cPath=59647";
jmp[14] = "http://www.westwoodmx.co.jp/shop/index.php?main_page=index&cPath=59648";

img[0] = "http://www.westwoodmx.co.jp/wwmx/image/banner/banner_spribg.jpg";
img[1] = "http://www.westwoodmx.co.jp/wwmx/image/banner/banner_super_flow.jpg";
img[2] = "http://www.westwoodmx.co.jp/wwmx/image/banner/banner_crossfire2.jpg";
img[3] = "http://www.westwoodmx.co.jp/wwmx/image/banner/banner_ogiobiz.jpg";
img[4] = "http://www.westwoodmx.co.jp/wwmx/image/banner/banner_j_colle.jpg";

img[5] = "http://www.westwoodmx.co.jp/wwmx/image/banner/banner_bbrdrz70.jpg";
img[6] = "http://www.westwoodmx.co.jp/wwmx/image/banner/banner_magnetic.jpg";
img[7] = "http://www.westwoodmx.co.jp/wwmx/image/banner/banner_0906helmet.jpg";
img[8] = "http://www.westwoodmx.co.jp/wwmx/image/banner/banner_casual.jpg";
img[9] = "http://www.westwoodmx.co.jp/wwmx/image/banner/banner_23peg.jpg";

img[10] = "http://www.westwoodmx.co.jp/wwmx/image/banner/banner_astar_boot.jpg";
img[11] = "http://www.westwoodmx.co.jp/wwmx/image/banner/banner_asterisk.jpg";
img[12] = "http://www.westwoodmx.co.jp/wwmx/image/banner/banner_v1.jpg";
img[13] = "http://www.westwoodmx.co.jp/wwmx/image/banner/banner_09mon.jpg";
img[14] = "http://www.westwoodmx.co.jp/wwmx/image/banner/banner_09rock.jpg";

cntary = new Array();
while(cntary.length < 4){
	cntary[cntary.length] = Math.floor(Math.random()*jmp.length);
	// 重複を削除
	cntary = only(cntary);
}


var img0 = new Array;
for(i=1;i<171;i++){
	img0[i] = "images1/" +i + ".jpg";
}
var img2 = new Array;
for(i=1;i<81;i++){
	img2[i] = "images2/" +i + ".jpg";
}
var img3 = new Array;
for(i=1;i<81;i++){
	img3[i] = "images3/" +i + ".jpg";
}
function random_img(){
        var i = myrandom(img0.length) - 1;
	if(i==0){
        document.write("<IMG SRC=\""+img0[1]+"\">");
	}else{
        document.write("<IMG SRC=\""+img0[i]+"\">");
	}
}
function random_img2(){
        var i = myrandom(img2.length) - 1;
	if(i==0){
        document.write("<IMG SRC=\""+img2[1]+"\">");
	}else{
        document.write("<IMG SRC=\""+img2[i]+"\">");
	}
}
function random_img3(){
        var i = myrandom(img3.length) - 1;
	if(i==0){
        document.write("<IMG SRC=\""+img3[1]+"\">");
	}else{
        document.write("<IMG SRC=\""+img3[i]+"\">");
	}
}
function myrandom(max){
        var v = max * Math.random();
        if(v == 0.0){v = 1;}else{v = Math.ceil(v);}
        return v;
}

// 配列から重複を削除
function only(arr){
　　　　for(var i=0,len=arr.length,cnt=0,list={},end=[];i<len;i++){
　　　　　　　　if(!list[arr[i]]){
　　　　　　　　　　　　end[cnt++]=arr[i];
　　　　　　　　　　　　list[arr[i]]=true;
　　　　　　　　}
　　　　}
　　　　return end;
}

function koukoku_img1(){
document.write("<a href='"+jmp[cntary[0]]+"'><img src='"+img[cntary[0]]+"' border='0'></a>");
}

function koukoku_img2(){
document.write("<a href='"+jmp[cntary[1]]+"'><img src='"+img[cntary[1]]+"' border='0'></a>");
}

function koukoku_img3(){
document.write("<a href='"+jmp[cntary[2]]+"'><img src='"+img[cntary[2]]+"' border='0'></a>");
}

function koukoku_img4(){
document.write("<a href='"+jmp[cntary[3]]+"'><img src='"+img[cntary[3]]+"' border='0'></a>");
}

function koukoku_kkpit(){
document.write("<a href='http://www.westwoodmx.co.jp/cgi-bin/wwhtml/html_fr_sub_menu_z.cgi?classno=55'><img src='http://www.westwoodmx.co.jp/wwmx/onlineshop/img/banner/side_pitracer.gif' border='0'></a>");
}