[jQuery] .click function won't work twice? addClass and hasClass little problem

[jQuery] .click function won't work twice? addClass and hasClass little problem


I want to change the color on every click of the div, by changing the
class and checking if hasClass. First removeClass, then addClass.
But this won't work?
Live demo:
http://www.edwinistrator.com/stuff/jquery/
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://
www.w3.org/TR/html4/loose.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<title>Test</title>
    <style type="text/css">
    div { cursor: pointer; float: left; border: solid 1px #ccc; padding:
5px; }
    .red {color: red;}
    .blue {color: blue;}
    .green {color: green;}
    </style>
    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/
libs/jquery/1.3/jquery.min.js"></script>
    <script type="text/javascript">
    $(document).ready(function(){
        $("#content").removeClass("test");
        $("#content").addClass("red");
        $("#content").click(function(){
            //alert("boe");
            if($("#content").hasClass("blue"))
                $("#content").removeClass("blue");
                $("#content").addClass("red");
            if($("#content").hasClass("red"))
                $("#content").removeClass("red");
                $("#content").addClass("blue");
            if($("#content").hasClass("green"))
                $("#content").removeClass("green");
                $("#content").addClass("red");
        });
    });
    </script>
</head>
<body>
    <div id="content" class="test">
    I'm crazy.
    </div>
</body>
</html>