if (document.images) {
    menu_sponsorup       = new Image();
    menu_sponsorup.src   = "img/menu_sponsor.gif" ;
    menu_sponsordown     = new Image() ;
    menu_sponsordown.src = "img/menu_sponsordown.gif" ;

    menu_hardlup       = new Image();
    menu_hardlup.src   = "img/menu_hardl.gif" ;
    menu_hardldown     = new Image() ;
    menu_hardldown.src = "img/menu_hardldown.gif" ;
	
	menu_scriptsup       = new Image();
    menu_scriptsup.src   = "img/menu_scripts.gif" ;
    menu_scriptsdown     = new Image() ;
    menu_scriptsdown.src = "img/menu_scriptsdown.gif" ;
	
	menu_blognup       = new Image();
    menu_blognup.src   = "img/menu_blogn.gif" ;
    menu_blogndown     = new Image() ;
    menu_blogndown.src = "img/menu_blogndown.gif" ;
}
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" );
    }
}