$(document).ready(function() {
	$("#navCircle > a").each(function(i) {
		this.onclick = function() {
			cookie.SET("Aien_currentID", this.id, 365);
		};
	});
	var currentID = cookie.GET("Aien_currentID");
	if (currentID != null) {
		$("#" + currentID).css( {
			"background-color" : "#fff",
			"color" : "#000"
		});
	}
});
var cookie = {
	SET : function(name, value, days) {
		var expires = "";
		if (days) {
			var d = new Date();
			d.setTime(d.getTime() + days * 24 * 60 * 60 * 1000);
			expires = "; expires=" + d.toGMTString();
		}
		document.cookie = name + "=" + value + expires + "; path=/";
	},
	GET : function(name) {
		var re = new RegExp("(\;|^)[^;]*(" + name + ")\=([^;]*)(;|$)");
		var res = re.exec(document.cookie);
		return res != null ? res[3] : null;
	}
};