if(window.addEventListener){
	window.addEventListener("beforeunload", vx_window_quickOut,false);
	window.addEventListener("load", vx_window_quickOut,false);
} else if (window.attachEvent){
	window.attachEvent("onbeforeunload", vx_window_quickOut);
	window.attachEvent("onload", vx_window_quickOut);
};
function vx_window_quickOut(){ 
	$.ajax({
		url: "close.php",
		type: "POST",
		data:   "date="+new Date(),
		timeout: 10000,
		error: function(){
			//alert("更新登陆错误");
			//alert("连接网络失败");
		},
		success: function(msg){
			//alert(msg);
		} 	 	
	});
}