// JavaScript Document 新しいウィンドウを開く
function m_win(url,windowname,width,height)
{
  var PopupWindow = Class.create();
  PopupWindow.prototype =
  {
	initialize: function(className, parentElement) 
	{
		var elements = document.getElementsByClassName(className, parentElement);
		for (var i = 0, len = elements.length; i < len; i++) 
		{
			Event.observe(elements[i], 'click', this.addPopupEvent.bindAsEventListener(this));
			Event.observe(elements[i], 'keypress', this.addPopupEvent.bindAsEventListener(this));
		}
	},
	addPopupEvent: function(event) 
	{
		var element = Event.element(event);
		var link = element.getAttribute('href');
		window.open(link);
		Event.stop(event);
	}
  };
}