/* http://shad:13080/dev/vpf/htdocs/ */
var html_base = new String(document.getElementById('baseuri').href);
var agt = navigator.userAgent.toLowerCase();
var is_op = (agt.indexOf("opera") != -1);
var is_ie = (agt.indexOf("msie") != -1) && document.all && !is_op;
var is_ie5 = (agt.indexOf("msie 5") != -1) && document.all && !is_op;
var is_mac = (agt.indexOf("mac") != -1);
var is_gk = (agt.indexOf("gecko") != -1);
var is_sf = (agt.indexOf("safari") != -1);
var is_kq = (agt.indexOf("konqueror") != -1);

// get and retrieve an object
function get_object(obj) {
  if (document.getElementById) {
    return document.getElementById(obj);
  } else if (document.all) {
    return document.all[obj];
  } else if (document.layers) {
    return document.layers[obj];
  } else {
    return null;
  }
}


function toggle(id)
{
  var element = get_object(id);
  var cur = element.style.display;
  var set=(cur == 'none' || cur == '' ? 'block' : 'none');
  element.style.display = set;
}

// selects option by value
function select_option(opid, value)
{
  var elopts = get_object(opid).options
  for( var i = 0; i < elopts.length; i++ )
    if( elopts[i].value == value ) elopts[i].selected = true;
}

function write_ailme(emname, emhost, name)
{
  if( !name )
    name = emname + '@' + emhost;
  document.write('<a href="mailto:' + emname + '@' + emhost + '">' + name + '</a>');
}