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

//window.onload = initRollovers;
if (window.addEventListener) {
    window.addEventListener('load', initRollovers, false);
}else if (window.attachEvent) {
    window.attachEvent('onload', initRollovers);
}


//何日前までの情報を掲載するか
var displayExpires = 7;
var newmark = '<img src="/common/img/icon_new.gif" width="25" height="11" alt="NEW" />';
function addNewMark(node) {
	var dateObj = new Date();
	//*日前の時刻
	var passTime = dateObj.setTime(dateObj.getTime() - (displayExpires * 24 * 3600 * 1000));
	
	var entryDateTxt = node.firstChild.nodeValue;
	var entryDate = entryDateTxt.split('.');
	var entryYear = new Number(entryDate[0]);
	var entryMonth = new Number(entryDate[1]);
	var entryDate = new Number(entryDate[2]);
	
	//投稿時刻(UNIXタイム)
	var entryTime = Date.UTC(entryYear,entryMonth-1,entryDate,0,0,0);
	var expires = displayExpires * 24 * 3600 * 1000;
	if(entryTime>passTime) {
		node.innerHTML+=newmark;
	}
}