// MAIN IMAGES SUFFIX ARRAY
MAIN_IMGS = new Array(
	'01',
	'02',
	'03'
);

MAIN_IMG_SUFFIX = MAIN_IMGS[Math.floor(Math.random() * MAIN_IMGS.length)];

function swichPhoto(photo) {
	var suffix = (MAIN_IMG_SUFFIX == '') ? '01' : MAIN_IMG_SUFFIX;
	
	if (photo == 'mainPhoto' ) { 
		document.write('<img src="/english/images/top/main_graphic_' + suffix + '.jpg" alt="Welcome to NISSUI Website" name="mainPhoto"  width="722" height="202" id="mainPhoto">');
	}
	else if (photo == 'hbWhatsnew' ) {
		document.write('<img src="/english/images/top/whatsnew_' + suffix + '.gif" alt="What\'s New? : Lndex page" name="hbWhatsnew"  width="722" height="42" border="0" id="hbWhatsnew">');
	}
}