var swapping = new Array;

function preLoad() {
  swapping[ 'intro' ] = new Array();
  swapping[ 'intro' ][ 0 ] = new Image( 69,25 );
  swapping[ 'intro' ][ 0 ].src = "images/nav_intro_0.gif"
  swapping[ 'intro' ][ 1 ] = new Image( 69,25 );
  swapping[ 'intro' ][ 1 ].src = "images/nav_intro_1.gif"
  swapping[ 'intro' ][ 2 ] = 'introduction';

  swapping[ 'board' ] = new Array();
  swapping[ 'board' ][ 0 ] = new Image( 93,25 );
  swapping[ 'board' ][ 0 ].src = "images/nav_board_0.gif"
  swapping[ 'board' ][ 1 ] = new Image( 93,25 );
  swapping[ 'board' ][ 1 ].src = "images/nav_board_1.gif"
  swapping[ 'board' ][ 2 ] = 'officers & board';

  swapping[ 'resources' ] = new Array();
  swapping[ 'resources' ][ 0 ] = new Image( 58,25 );
  swapping[ 'resources' ][ 0 ].src = "images/nav_resources_0.gif"
  swapping[ 'resources' ][ 1 ] = new Image( 58,25 );
  swapping[ 'resources' ][ 1 ].src = "images/nav_resources_1.gif"
  swapping[ 'resources' ][ 2 ] = 'resources';

  swapping[ 'contract' ] = new Array();
  swapping[ 'contract' ][ 0 ] = new Image( 48,25 );
  swapping[ 'contract' ][ 0 ].src = "images/nav_contract_0.gif"
  swapping[ 'contract' ][ 1 ] = new Image( 48,25 );
  swapping[ 'contract' ][ 1 ].src = "images/nav_contract_1.gif"
  swapping[ 'contract' ][ 2 ] = 'contract';

  swapping[ 'constitution' ] = new Array();
  swapping[ 'constitution' ][ 0 ] = new Image( 67,25 );
  swapping[ 'constitution' ][ 0 ].src = "images/nav_constitution_0.gif"
  swapping[ 'constitution' ][ 1 ] = new Image( 67,25 );
  swapping[ 'constitution' ][ 1 ].src = "images/nav_constitution_1.gif"
  swapping[ 'constitution' ][ 2 ] = 'constitution';

  swapping[ 'home' ] = new Array();
  swapping[ 'home' ][ 0 ] = new Image( 48,25 );
  swapping[ 'home' ][ 0 ].src = "images/nav_home_0.gif"
  swapping[ 'home' ][ 1 ] = new Image( 48,25 );
  swapping[ 'home' ][ 1 ].src = "images/nav_home_1.gif"
  swapping[ 'home' ][ 2 ] = 'home';
  
  swapping[ 'emailAlerts' ] = new Array();
  swapping[ 'emailAlerts'][ 0 ] = new Image( 68,25 );
  swapping[ 'emailAlerts'][ 0 ].src = "images/nav_email_alerts_0.gif"
  swapping[ 'emailAlerts'][ 1 ] = new Image( 68,25 );
  swapping[ 'emailAlerts'][ 1 ].src = "images/nav_email_alerts_1.gif"
  swapping[ 'emailAlerts'][ 2 ] = 'email alerts';

}

function swapOn( x ) {
  document.images[ x ].src = swapping[ x ][ 1 ].src;
  status = swapping[ x ][ 2 ];
}

function swapOff( x ) {
  document.images[ x ].src = swapping[ x ][ 0 ].src;
  status = '';
}