// JavaScript Document

if (document.images) {
    homebuttonup       = new Image();
    homebuttonup.src   = "images/nav_home.png" ;
    homebuttondown     = new Image() ;
    homebuttondown.src = "images/nav_home_down.png" ;

    eventsbuttonup       = new Image();
    eventsbuttonup.src   = "images/nav_events.png" ;
    eventsbuttondown     = new Image() ;
    eventsbuttondown.src = "images/nav_events_down.png" ;
	
	menubuttonup       = new Image();
    menubuttonup.src   = "images/nav_menu.png" ;
    menubuttondown     = new Image() ;
    menubuttondown.src = "images/nav_menu_down.png" ;
	
	directionsbuttonup       = new Image();
    directionsbuttonup.src   = "images/nav_directions.png" ;
    directionsbuttondown     = new Image() ;
    directionsbuttondown.src = "images/nav_directions_down.png" ;
	
	photosbuttonup       = new Image();
    photosbuttonup.src   = "images/nav_photos.png" ;
    photosbuttondown     = new Image() ;
    photosbuttondown.src = "images/nav_photos_down.png" ;
	
	contactbuttonup       = new Image();
    contactbuttonup.src   = "images/nav_contact.png" ;
    contactbuttondown     = new Image() ;
    contactbuttondown.src = "images/nav_contact_down.png" ;
	
	
}
function buttondown( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "down.src" );
    }
}
function buttonup ( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "up.src" );
    }
}