//ルートパス
var BannerRootPath = "/";


/********リンク先配列********/
var urlAry =

 ["tradings/point.html",
"campaign/cam081031_orix.html",
"cp/count_lbanner01.html",
"cp/count_lbanner01.html",
"tradings/cam_iyc.html",
"use/credit/nicmufg_gold.html",
"",
"use/credit/amex_bg.html",
"use/credit/amex_go.html",
"use/credit/amex_gr.html",
"",
"campaign/cam090401_mmf.html",
"",
""];


/********画像配列********/
var imgAry =
["iyc_point.gif",
"orix.gif",
"cam_insurance.gif",
"nanacoPointPresents.swf",
"iyc.gif",
"mufg.gif",
"",
"amex_bg.gif",
"amex_go.gif",
"amex_gr.gif",
"",
"mmf.jpg",
"",
""];


//SWFの配列番
var swfAryNum = 3;


var num;
var url;
var imgs;

function chgImg(rdmAry){
	var imgID;
	var str;
	var num = getRandomVal(rdmAry.length);
	var num2 = rdmAry[num]-1;

	var url;
	if(num2 == swfAryNum){url=urlAry[num2];}else{var url = BannerRootPath + urlAry[num2];}

	var imgs = BannerRootPath + "common/image/banner/random/" + imgAry[num2];

	document.getElementById("img_link").href = url;
	imgID = document.getElementById("topBanner");


	/* imgとswfを切り替える */
	switch(num2){
		case 0:
		str = '<img src="'+imgs+'" alt="アイワイカード" width="200" height="200" />';
			break;
		case 1:
		str = '<img src="'+imgs+'" alt="オリックス証券" width="200" height="200" />';
			break;
		case 2:
		//gif画像の場合
			str = '<img src="'+imgs+'" alt="" width="200" height="200" />';
			break;
		case 3:
			//swfの場合
			str = '<object width="200" height="200" id="typeA" align="middle">';
			str += '<param name="movie" value="'+imgs+'" />';
			str += '<embed src="'+imgs+'" width="200" height="200" />';
			str += '</object>';
			break;
		case 4:
		case 5:
		case 6:
		case 7:
		case 8:
		case 9:
		case 10:
		case 11:
		case 12:
		case 13:
		//gif画像の場合
			str = '<img src="'+imgs+'" alt="" width="200" height="200" />';
			break;
		}
		
	//alert(str);
	 document.write(str);
}

//確立変動用
//function chgImg2(){
//var bannerAry=[5,5,5,5,5,5,6,6,6,7,7,7,8,8,9,9,10,10]
//chgImg(bannerAry)
//}

function getRandomVal(num){
	return Math.floor(Math.random()*num);
}