// banner-rollover.js

// 作成日;2009年10月13日

window.onload = function(){

	preloadedImages = [];
	function preloadImage(url){
		var p = pleloadedImages;
		var l = p.length;
		p[l]=new Image();
		p[l].src=url;
	};

	node1 = document.getElementById('img-s-hook-banner');
	mapbtn1 = document.getElementById('banner-btn01');

	
	node1.originalSrc = node1.src;
	node1.rolloverSrc = node1.originalSrc.replace('.jpg','_a.jpg');
	
	mapbtn1.onmouseover = function(){
		node1.src = node1.rolloverSrc;
	};
	
	mapbtn1.onmouseout = function(){
		node1.src = node1.originalSrc;
	};
	
};