Baka kakor globalt med jQuery?

<script language="javascript">
$(document).ready(function() {
// LEFT COLUMN:
    // When the collapse button is clicked:
    $('.collapseLeft').click(function() {
        $('.collapseLeft').css("display","none");
        $('.expandLeft').css("display","block");
        $('#leftCol').css("display","none");
        $.cookie('leftCol', 'collapsed');
    });
    // When the expand button is clicked:
    $('.expandLeft').click(function() {
        $('.expandLeft').css("display","none");
        $('.collapseLeft').css("display","block");
        $('#leftCol').css("display","block");
        $.cookie('leftCol', 'expanded');
    });

// COOKIES
    // Left column state
    var leftCol = $.cookie('leftCol') 
    // Set the user's selection for the left column
    if (leftCol == 'collapsed') {
        $('.collapseLeft').css("display","none");
        $('.expandLeft').css("display","block");
        $('#leftCol').css("display","none");
    };
 
});

</script>

$.cookie('leftCol', 'expanded',

{  
    expires: 7,  
    path: '/',  
    domain: '*localhost:30000', 
    secure: false  
 });