//body、onload設定
//#####################################################################

if(window.addEventListener) {
	window.addEventListener("load", function() {
		imgRollover();
	}, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", function() {
		imgRollover();
	});
}

//以下関数
//#####################################################################

//ロールオーバー
function imgRollover() {
	if(document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");
		var input = document.getElementsByTagName("input");

		var imgOff = new Array();
		var imgOn = new Array();
		for(var i=0; i < images.length; i++) {
			if(images[i].src.match(/(.*_)off(\..*)$/)) {
				imgOff[i] = new Image();
				imgOn[i] = new Image();
				imgOff[i].src = images[i].src;
				imgOn[i].src = RegExp.$1 + 'on' + RegExp.$2;

				images[i].onmouseover = function() {
					this.setAttribute("src", this.src.replace("_off.", "_on."));
				}
				images[i].onmouseout = function() {
					this.setAttribute("src", this.src.replace("_on.", "_off."));
				}
			}
		}

		var inputOff = new Array();
		var inputOn = new Array();
		for(var i=0; i < input.length; i++) {
			if(input[i].src.match(/(.*_)off(\..*)$/)) {
				inputOff[i] = new Image();
				inputOn[i] = new Image();
				inputOff[i].src = input[i].src;
				inputOn[i].src = RegExp.$1 + 'on' + RegExp.$2;

				input[i].onmouseover = function() {
					this.setAttribute("src", this.src.replace("_off.", "_on."));
				}
				input[i].onmouseout = function() {
					this.setAttribute("src", this.src.replace("_on.", "_off."));
				}
			}
		}

	}
}