pic = new Image();    pic.src = "/images/menu_1_over.gif";
pic = new Image();    pic.src = "/images/menu_2_over.gif";
pic = new Image();    pic.src = "/images/menu_3_over.gif";
pic = new Image();    pic.src = "/images/menu_4_over.gif";
pic = new Image();    pic.src = "/images/but_submit_hover.gif";
pic = new Image();    pic.src = "/images/but_register_hover.gif";
pic = new Image();    pic.src = "/images/but_register_2_hover.gif";