function refreshImg_page(){
	var verify = document.getElementById("security_img");
	verify.setAttribute('src', 'http://passport.game321.com/?mod=passport&file=index&method=ceknum&act=init&'+Math.random());
}

function ajax_request(u) {
	$.ajax({
		url: u,
		dataType: 'json',
		success: function (r) {
			if (r.status && r.url != '') {
				dialog.alert('Notice', r.msg, function(){window.location = r.url; });
			} else if (r.status) {
				dialog.alert('Oops...', r.msg, function(){ });
			}
		},
		error: function () {
			dialog.alert('Oops...', 'We are not able to complete your request, please try it again later. Sorry for the inconvenience.', function(){ });
		}
	});
}