Basal javascript - om funktioner

Jeg fandt en løsningen, der GARANTERET kan forbedres, men hvis andre har et lignende problem - så er der en mulig løsning her :-)

<html>
<head>

<!-- <script type="text/javascript" src="Javascript.js"></script> -->

<style type="text/css">
    .expand { position: absolute; visibility: hidden; }
    .collapse { position: relative; visibility: visible; }
</style>

<script type="text/javascript" language="javascript">

    function toogle_cookie(name, val)
    {
        delete_cookie(name);

        if(val == "True")
        {
            set_cookie(name, "False")
        }

        else
        {
            set_cookie(name, "True")
        }
    }

    // Setting cookies
    function set_cookie(name, value, exp_y, exp_m, exp_d, path, domain, secure)
    {
        var cookie_string = name + "=" + escape ( value );
   
        if (exp_y) //delete_cookie(name)
        {
            var expires = new Date ( exp_y, exp_m, exp_d );
            cookie_string += "; expires=" + expires.toGMTString();
        }
       
        if(path)
        {
            cookie_string += "; path=" + escape ( path );
        }

        if(domain)
        {
            cookie_string += "; domain=" + escape ( domain );
        }
       
        if(secure)
        {
            cookie_string += "; secure";
        }
       
        document.cookie = cookie_string;
    }

    // Retrieving cookies
    function get_cookie(cookie_name)
    {
        var results = document.cookie.match(cookie_name + '=(.*?)(;|$)');
       
        if(results)
        {
            return (unescape(results[1]));
        }
       
        else
        {
            return null;
        }
    }

    // Delete cookies
    function delete_cookie(cookie_name)
    {
        var cookie_date = new Date();  // current date & time
        cookie_date.setTime(cookie_date.getTime()-1);
        document.cookie = cookie_name += "=; expires=" + cookie_date.toGMTString();
    }


var CookieName    = 'MyName1'
var CookieVal    = get_cookie(CookieName);

if(CookieVal == "Open")
{
    var tableToggle = true;
}

else
{
    var tableToggle = false;
}



function toggletable(IdName, CookieName)
{
    var temp = document.getElementById(IdName);
    if(tableToggle)
    {
        tableToggle = false;
        temp.style.position = 'absolute';
        temp.style.visibility = 'hidden';
        delete_cookie(CookieName);
        set_cookie(CookieName, 'Closed');
    }
   
    else
    {
        tableToggle = true;
        temp.style.position = 'relative';
        temp.style.visibility = 'visible';
        delete_cookie(CookieName);
        set_cookie(CookieName, 'Open');
    }
}

</script>

</head>
<body>


<br>

<table bgcolor="#FFCC99" width="600" cellspacing=0 border=0>
<tr>
  <td>
  <p><a href="java script:toggletable('thistable', CookieName);">toggle a table visible/invisible</a>
  </td>
</tr>
</table>
<div>

<script type="text/javascript">

    var CookieVal = get_cookie('MyName1');

    if(CookieVal == "Open")
    {
        var Show = "<table bgcolor='#FFFFCC' width='300' cellspacing=0 border=0 id='thistable' class='collapse'><tr><td><b>Toggle Table:</b><br> Here is the content of a table which hides and shows.</td></tr></table>";
    }

    if(CookieVal == "Closed")
    {
        var Show = "<table bgcolor='#FFFFCC' width='300' cellspacing=0 border=0 id='thistable' class='expand'><tr><td><b>Toggle Table:</b><br> Here is the content of a table which hides and shows.</td></tr></table>";
    }

    document.write(Show);

</script>

</div>
<table bgcolor="#FFCC99" width="600" cellspacing=0 border=0>
<tr>
  <td>
  <p>Filler
  </td>
</tr>
</table>

</body>
</html>