function toggleBox(szDivID, iState) // 1 visible, 0 hidden
{
   var obj = document.layers ? document.layers[szDivID] :
   document.getElementById ?  document.getElementById(szDivID).style :
   document.all[szDivID].style;
   obj.visibility = document.layers ? (iState ? "show" : "hide") :
   (iState ? "visible" : "hidden");
}

function highlightElement(Elem) {
   if(document.getElementById) {
        var elem_t = document.getElementById('viv_link_t');
        var elem_w = document.getElementById('viv_link_w');
        var elem_m = document.getElementById('viv_link_m');
        var link_img_t = document.getElementById('viv_link_img_t');
        var link_img_w = document.getElementById('viv_link_img_w');
        var link_img_m = document.getElementById('viv_link_img_m');

    } else if (document.all){
        var elem_t = document.all['viv_link_t'];
        var elem_w = document.all['viv_link_w'];
        var elem_m = document.all['viv_link_m'];
        var link_img_t = document.all['viv_link_img_t'];
        var link_img_w = document.all['viv_link_img_w'];
        var link_img_m = document.all['viv_link_img_m'];
    }

    if ( Elem == 't' )
    {

        elem_t.className = 'viv_toplink_active';
        elem_w.className = 'viv_toplink';
        elem_m.className = 'viv_toplink';

        link_img_t.src = 'http://www.viversum.de/lifestyle/images/topnavi/radio_on.gif';
        link_img_w.src = 'http://www.viversum.de/lifestyle/images/topnavi/radio_off.gif';
        link_img_m.src = 'http://www.viversum.de/lifestyle/images/topnavi/radio_off.gif';


    } else if ( Elem == 'w' )
    {
        elem_t.className = 'viv_toplink';
        elem_w.className = 'viv_toplink_active';
        elem_m.className = 'viv_toplink';

        link_img_t.src = 'http://www.viversum.de/lifestyle/images/topnavi/radio_off.gif';
        link_img_w.src = 'http://www.viversum.de/lifestyle/images/topnavi/radio_on.gif';
        link_img_m.src = 'http://www.viversum.de/lifestyle/images/topnavi/radio_off.gif';


    } else if ( Elem == 'm' )
    {
        elem_t.className = 'viv_toplink';
        elem_w.className = 'viv_toplink';
        elem_m.className = 'viv_toplink_active';

        link_img_t.src = 'http://www.viversum.de/lifestyle/images/topnavi/radio_off.gif';
        link_img_w.src = 'http://www.viversum.de/lifestyle/images/topnavi/radio_off.gif';
        link_img_m.src = 'http://www.viversum.de/lifestyle/images/topnavi/radio_on.gif';



    }
}