MenuImage = new Array();
 MenuImage[0] = new Image();
 MenuImage[0].src = "img/butt/butt_o-firme_1.gif"; 
 MenuImage[1] = new Image();
 MenuImage[1].src = "img/butt/butt_prod_1.gif"; 
 MenuImage[2] = new Image();
 MenuImage[2].src = "img/butt/butt_kont_1.gif";