function tuag()
{
var myID,
    myPix,
    i    = 0,
    args = tuag.arguments;

for(i=0; i<args.length; i++) {
  if( args[i].indexOf("#") != 0) {
    myID  = document.getElementById( args[i]);
    myPix = document.getElementById( "ar_" +args[i]);
    if( typeof( myID.style.display) != 'undefined') myID.style.display = 'none';
    if( typeof( myPix.src) != 'undefined') myPix.src = 'inver/images/sipka_normal.gif';
    }
  }
}


function submenu( myObj)
{
var myID   = document.getElementById( myObj),
    myPix  = document.getElementById( "ar_" +myObj);

if( typeof( myID.style.display) != 'undefined') {
  if( myID.style.display == 'none') {
    myID.style.display = '';
    if( typeof( myPix.src) != 'undefined') myPix.src = 'inver/images/sipka_down.gif';
  } else {
    myID.style.display = 'none';
    if( typeof( myPix.src) != 'undefined') myPix.src = 'inver/images/sipka_normal.gif';
    }
  }
}