var popWindow;
	function midWindow(winURL, w, h) {
		if(!w) w = 400;
		if(!h) h = 500;
		if (! popWindow || popWindow.closed) {
			popWindow = window.open(winURL, 'popWindow', 
				'width='+w+',height='+h+',left=150,top=100, scrollbars=1'); 
			}else {
			popWindow.focus();
			popWindow.location = winURL;
		}
	}