window.onload=autoPOP;

function autoPOP()
{
	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 += '別窓で開きます';
		}
	}
};

function winOpen(url) {
	var wx = 700;
	var wy = 875;

	var x = (screen.width - wx) / 2;
	var y = (screen.height - wy) / 2;

	window.open(
		url
		,'popup'
		,'left='+x+',top='+y+',width='+wx+',height='+wy+',scrollbars=1,resizable=1'
	);

	return false;
};