// JavaScript Document
function smartRollover() {
	if(document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");
		for(var i=0; i < images.length; i++) {
			if(images[i].getAttribute("src").match("_off."))
			{
				images[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
				}
				images[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
				}
			}
		}
	}
}
if(window.addEventListener) {
	window.addEventListener("load", smartRollover, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", smartRollover);
}
function datecheck(obj) {
	var str = obj.value;
	if (str != "") {
		var SPstr = str.split("/");
		if (SPstr.length == 1) {
			alert ("日付は0000/00/00、または、00/00の形式で入力してください");
			obj.value = "";
		} else {
			if (SPstr.length == 2) {
				if (SPstr[0] <= 12 && SPstr[0] >= 1 && SPstr[1] >= 1 && SPstr[1] <= 31) {
					now = new Date();
					if (now.getYear() >= 2000) {
						str = now.getYear() + "/" + str;
					} else {
						str = (now.getYear() + 1900) + "/" + str;
					}
					obj.value = str;
				} else {
					alert ("日付は0000/00/00、または、00/00の形式で入力してください");
					obj.value = "";
				}
			} else {
				if (SPstr[0] < 2007 || SPstr[1] > 12 || SPstr[1] < 1 || SPstr[2] < 1 || SPstr[2] > 31) {
					alert ("日付は0000/00/00、または、00/00の形式で入力してください");
					obj.value = "";
				}
			}
		}
	}
}