if (document.images) {
    menu1buttonup       = new Image();
    menu1buttonup.src   = "catalog/view/theme/default/images/empty.png" ;
    menu1buttondown     = new Image() ;
    menu1buttondown.src = "catalog/view/theme/default/images/hoover_1.png" ;
    
    menu2buttonup       = new Image();
    menu2buttonup.src   = "catalog/view/theme/default/images/empty.png" ;
    menu2buttondown     = new Image() ;
    menu2buttondown.src = "catalog/view/theme/default/images/hoover_2.png" ;
    
    menu3buttonup       = new Image();
    menu3buttonup.src   = "catalog/view/theme/default/images/empty.png" ;
    menu3buttondown     = new Image() ;
    menu3buttondown.src = "catalog/view/theme/default/images/hoover_3.png" ;
    
    menu4buttonup       = new Image();
    menu4buttonup.src   = "catalog/view/theme/default/images/empty.png" ;
    menu4buttondown     = new Image() ;
    menu4buttondown.src = "catalog/view/theme/default/images/hoover_4.png" ;
    
    menu5buttonup       = new Image();
    menu5buttonup.src   = "catalog/view/theme/default/images/empty.png" ;
    menu5buttondown     = new Image() ;
    menu5buttondown.src = "catalog/view/theme/default/images/hoover_5.png" ;

    menu6buttonup       = new Image();
    menu6buttonup.src   = "catalog/view/theme/default/images/empty.png" ;
    menu6buttondown     = new Image() ;
    menu6buttondown.src = "catalog/view/theme/default/images/hoover_6.png" ;
	
	menu7buttonup       = new Image();
    menu7buttonup.src   = "catalog/view/theme/default/images/empty.png" ;
    menu7buttondown     = new Image() ;
    menu7buttondown.src = "catalog/view/theme/default/images/hoover_7.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" );
    }
}