function wget(url)
{
	// 準備
	var http = null;
	if (window.XMLHttpRequest) {	// Safari, Firefox など
		http = new XMLHttpRequest();
	}
	else if (window.ActiveXObject) {	// IE
		try { http = new ActiveXObject("Msxml2.XMLHTTP"); }	// IE6
		catch (e) {
			try { http = new ActiveXObject("Microsoft.XMLHTTP"); }	// IE5
			catch (e) { return null; }	// Error
		}
	}

	// 同期通信
	http.open("GET", url, false);
	http.send(null);
	return http.responseText;
}
function vote()
{
	var el = document.activeElement;
	var url = el.href;
	wget("./countup.cgi?" + url);
}