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 == 'btn') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, 'o'+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);
			}
		}
	}

var x = document.getElementsByTagName('a');
for (var i=0;i<x.length;i++)
{
if (x[i].getAttribute('className') == 'popup' || x[i].getAttribute('class') == 'popup')
{
x[i].onclick = function () {
return winOpen(this.href)
}
x[i].title += '新しいウィンドウで開きます';
}
}
};

function winOpen(url) {
window.open(
url,
'popup',
'width=620,height=560,scrollbars=1,resizable=1,menubar=1,location=1,toolbar=1'
);

return false;


/*
	Standards Compliant Rollover Script
	Author : Daniel Nolan
	http://www.bleedingego.co.uk/webdev.php
*/


}

window.onload = initRollovers;