// initialise
var DHTML=( document.getElementById || document.all );

// rollover
function menu_activate( menu ) {
  if( DHTML ) {
    var target1=new getObj( 'buttonin'+menu );
    var target2=new getObj( 'buttonout'+menu );
    target1.style.backgroundImage="url( /images/site/topnav-button-back4.gif )";
    target2.style.backgroundImage="url( /images/site/topnav-button-back4.gif )";
    target1.style.color="#FFFFFF";
  }
}

// rollout
function menu_deactivate( menu ) {
  if( DHTML ) {
    var target1=new getObj( 'buttonin'+menu );
    var target2=new getObj( 'buttonout'+menu );
    target1.style.backgroundImage="url( /images/site/topnav-button-back3.gif )";
    target2.style.backgroundImage="url( /images/site/topnav-button-back2.gif )";
    target1.style.color="#444444";
  }
}