d = document;
opera = (navigator.userAgent.indexOf('Opera') >= 0)? true : false;
ie = (document.all && !opera)? true : false;
dom = (document.getElementById && !ie && !opera)? true : false;

if (dom || ie)
{
        d.writeln('<STYLE type="text/css">');
        d.writeln('.cat_in { display: none; }');
        d.writeln('</STYLE>');
}

function dis(obj)
{
        if (obj) obj_id = obj.id.replace('td', 'id');
        if (ie) {
          if (!document.all[obj_id]) {return false};
                document.all[obj_id].style.display = (document.all[obj_id].style.display == "block") ? "none" : "block"}
        else if (dom||opera) {
          if (!document.getElementById(obj_id)) {return false};
          document.getElementById(obj_id).style.display = (document.getElementById(obj_id).style.display == "block") ? "none" : "block";}
          return false;
}

function disid(obj_id,imgt)
{

        if (ie) {

          if (!document.all[obj_id]) {return false};
          document.all[obj_id].style.display = (document.all[obj_id].style.display == "block") ? "none" : "block"}
        else if (dom||opera) {
          if (!document.getElementById(obj_id)) {return false};
          document.getElementById(obj_id).style.display = (document.getElementById(obj_id).style.display == "block") ? "none" : "block";}

        return false;



}


function view() { }