addEvent(window,"load",convertTabs);

function convertTabs()
{
    var divs = document.getElementsByTagName('DIV');
    for (var i = 0 ; i < divs.length ; i++)
    {
        if (divs[i].className.indexOf('tabs') != -1)
        {
            makeTabs(divs[i]);
        }
    }
}

function makeTabs(o)
{
    var anchors = o.getElementsByTagName('A');
    var anchor_first = null;
    var display_first = true;
    for (var a = 0 ; a < anchors.length ; a++)
    {
        if (anchors[a].id)
        {
            if (!anchor_first) { anchor_first = anchors[a]; } 
            if (anchors[a].className.indexOf('active') != -1)
            {
                displayTab(o,anchors[a])
                display_first = false;
            }
            else
            {
                document.getElementById(anchors[a].id + '_c').style.display = 'none';
            }
            anchors[a].onclick = function() {
                displayTab(o,this);
                this.blur();
                return false;
            };
        }
    }
    if (display_first && anchor_first)
    {
        displayTab(o,anchor_first);
    }
}

function displayTab(o,tab)
{
    var anchors = o.getElementsByTagName('A');
    for (var a = 0 ; a < anchors.length ; a++)
    {
        if (anchors[a].id)
        {
            if (tab.id != anchors[a].id)
            {
                document.getElementById(anchors[a].id + '_c').style.display = 'none';
                anchors[a].className = anchors[a].className.replace(' active','');
                anchors[a].className = anchors[a].className.replace('active','');
            }
            else
            {
                document.getElementById(anchors[a].id + '_c').style.display = 'block';
                if (anchors[a].className.indexOf('active') == -1)
                {
                    anchors[a].className += ' active';
                }
            }
        }
    }
}