nbimage1 = new Image();
nbimage1.src = "images/bg_boom.gif";
nbimage2 = new Image();
nbimage2.src = "images/bg_bot.gif";
nbimage3 = new Image();
nbimage3.src = "images/bg_content.gif";
nbimage4 = new Image();
nbimage4.src = "images/bg_content_bot.gif";
nbimage5 = new Image();
nbimage5.src = "images/bg_content_botleft.gif";
nbimage6 = new Image();
nbimage6.src = "images/bg_content_botright.gif";
nbimage7 = new Image();
nbimage7.src = "images/bg_content_left.gif";
nbimage8 = new Image();
nbimage8.src = "images/bg_content_right.gif";
nbimage9 = new Image();
nbimage9.src = "images/bg_content_top.gif";
nbimage10 = new Image();
nbimage10.src = "images/bg_content_topleft.gif";
nbimage11 = new Image();
nbimage11.src = "images/bg_content_topright.gif";
nbimage12 = new Image();
nbimage12.src = "images/bg_mid.gif";
nbimage13 = new Image();
nbimage13.src = "images/bg_top.gif";