$(document).ready( function () {
		$('#captcha_refresh').css("display", "inline");
});

function updateCaptcha(url) {
	$.post("/auth/imgcode_update.html", function(data){
			var keys = new Array();
			var newcode = data['code'];
			newcode = newcode.replace(/}/,'');
			newcode = newcode.replace(/"/g,'');
			document.getElementById('code').value = newcode
			document.getElementById('captcha').src = url+newcode;
	}, "json");

	return false;
}