/*
	Standards Compliant Rollover Script
	Author : Daniel Nolan
	http://www.bleedingego.co.uk/webdev.php
*/

function initRollovers() {
	if (!document.getElementById) return

	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {
		if (aImages[i].className == 'imgover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_f3'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);

			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;

			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}

			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_f3'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

function randomVew (){
	if(document.getElementById("mainInfomation")){

		var randomNumber = Math.floor(Math.random() * 5);

		if (randomNumber == 1){
			document.getElementById("mainInfomation").innerHTML =
			"<a href='/person/kaori/' class='optImg'><img src='/person/img/person_js_01.jpg' alt='Click' width='816' height='439'></a>";
		}
		else if(randomNumber == 2){
			document.getElementById("mainInfomation").innerHTML =
			"<a href='/person/maru/' class='optImg'><img src='/person/img/person_js_02.jpg' alt='Click' width='816' height='439'></a>";
		}
		else if(randomNumber == 3){
			document.getElementById("mainInfomation").innerHTML =
			"<a href='/person/eri/' class='optImg'><img src='/person/img/person_js_03.jpg' alt='Click' width='816' height='439'></a>";
		}
		else if(randomNumber == 4){
			document.getElementById("mainInfomation").innerHTML =
			"<a href='/person/john/' class='optImg'><img src='/person/img/person_js_04.jpg' alt='Click' width='816' height='439'></a>";
		}
		else{
			document.getElementById("mainInfomation").innerHTML =
			"<a href='/person/aya/' class='optImg'><img src='/person/img/person_js_05.jpg' alt='Click' width='816' height='439'></a>";
		}
	}
}

function randomBanner(){
	if(document.getElementById("halfTopBanner")){

		var randomNumber = Math.floor(Math.random() * 2);

		if (randomNumber == 1){
			document.getElementById("halfTopBanner").innerHTML =
			"<p class='mt15'><a href='http://server-jp.imrworldwide.com/cgi-bin/b?cg=ad-300×600-onward&ci=coromo&tu=http://crosset.onward.co.jp?cid=wzz003_20091201_001' target='_blank'><img src='images/index/top_banner_2.jpg' alt='onward' width='300' height='600'></a></p>";
		}
		else{
			document.getElementById('halfTopBanner').innerHTML =
			"<p class='mt15'><a href='http://server-jp.imrworldwide.com/cgi-bin/b?cg=ad-300×600-sanyo&ci=coromo&tu=http://sanyo-i.jp/shopping/top/index.jsp' target='_blank'><img src='images/index/top_banner_5.jpg' alt='三陽商会' width='300' height='600'></a></p>";
		}
	}
}

window.onload = function(){initRollovers(); randomVew(); randomBanner();}