// javascript for swap images of top page


var imgAry = new Array(
	'navi01_bg_f2.jpg',
	'navi01_txt_f2.gif',
	'navi02_bg_f2.jpg',
	'navi02_txt_f2.gif',
	'navi03_bg_f2.jpg',
	'navi03_txt_f2.gif',
	'navi04_bg_f2.jpg',
	'navi04_txt_f2.gif',
	'navi05_bg_f2.jpg',
	'navi05_txt_f2.gif'
);
var imgNum = imgAry.length;
var indexImg = new Array(imgNum);
for (var i=0; i<imgNum; i++) {
	indexImg[i] = new Image();
	indexImg[i].src = 'img/2009/top/' + imgAry[i];
}


function changeImg(id,urlImg,id2,urlImg2) {
	document.getElementById(id).style.backgroundImage = 'url(img/2009/top/' + urlImg + ')';
	document.images[id2].src = 'img/2009/top/' + urlImg2;
}


function replaceImg(id,urlImg,id2,urlImg2) {
	document.getElementById(id).style.backgroundImage = 'url(img/2009/top/' + urlImg + ')';
	document.images[id2].src = 'img/2009/top/' + urlImg2;
}