/*
	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, '_ov'+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('_o'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}

	if(document.forms['someform']){
		var form = document.forms['someform'];
		var date1 = form.elements['date1'];
		
		// 今日からxx後までプルダウンに追加
		for (var i = 7; i < 21; i++) {
			var option = document.createElement('option');
			var datestr = generateDateString(i);
			
			option.value = i;
			option.innerHTML = datestr;
			date1.appendChild(option);
		
		}
		
	        document.form.fld666.value=document.form.fld_date.value;
	}

}

function generateDateString(offset)
{
var weekdays = new Array('日', '月', '火', '水', '木', '金', '土');
var date = new Date();

date.setDate(date.getDate() + offset);

var year = date.getFullYear();
var month = date.getMonth() + 1;
var day = date.getDate();
var wdindex = date.getDay();
var wday = weekdays[wdindex];

var datestr = year + '年' + month + '月' + day + '日 (' + wday + ')';

return datestr;
}


window.onload = initRollovers;