// Register Form functions -- created for TurkishBusinessGuide.com
//
// Please don't rip this script (it's copyrighted), but if you do
// then don't forget to add a link to our site!

function update_industry_select(value)
{
    var select = document.getElementById("categoryID");

    select.options.length = 0;

    if(value == 0)
    {
        select.options[0] = new Option('    -- unknown --', '0');
    }
    else
    {
        var offset = 0;
        var categories = category_tree[value];
        if(categories)
        {
            if(categories.length != 1)
            {
                offset = 1;
                select.options[0] = new Option('> select category', '0');
            }

            for(i = 0; i < categories.length; i++)
                select.options[i + offset] = new Option(categories[i][0], categories[i][1]);
        }
        else
        {
            select.options[0] = new Option('--', value);
        }
    }
}