Get a Cookie in Javascript

This function will return a cookie saved. Just call this function with the name of a cookie as a parameter.


function getCookie(c_name)
    {
        var c_value = document.cookie;
        var c_start = c_value.indexOf(" " + c_name + "=");
        if (c_start == -1)
        {
            c_start = c_value.indexOf(c_name + "=");
        }
        if (c_start == -1)
        {
            c_value = null;
        }
        else
        {
            c_start = c_value.indexOf("=", c_start) + 1;
            var c_end = c_value.indexOf(";", c_start);
            if (c_end == -1)
            {
                c_end = c_value.length;
            }
            c_value = unescape(c_value.substring(c_start,c_end));
        }
        return c_value;
    }