if(document.images) {
pics = new Array(); 
pics[1] = new Image();
pics[1].src = "images/bt-home1.gif"; 
pics[2] = new Image();
pics[2].src = "images/bt-home2.gif";
pics[3] = new Image();
pics[3].src = "images/bt-brands1.gif";
pics[4] = new Image();
pics[4].src = "images/bt-brands2.gif";
pics[5] = new Image();
pics[5].src = "images/bt-corp1.gif";
pics[6] = new Image();
pics[6].src = "images/bt-corp2.gif";
pics[7] = new Image();
pics[7].src = "images/bt-ir1.gif";
pics[8] = new Image();
pics[8].src = "images/bt-ir2.gif";
pics[9] = new Image();
pics[9].src = "images/bt-career1.gif";
pics[10] = new Image();
pics[10].src = "images/bt-career2.gif";
pics[11] = new Image();
pics[11].src = "images/bt-ctc1.gif";
pics[12] = new Image();
pics[12].src = "images/bt-ctc2.gif";

pics[13] = new Image();
pics[13].src = "images/b_edwin1.gif";
pics[14] = new Image();
pics[14].src = "images/b_edwin2.gif";

pics[15] = new Image();
pics[15].src = "images/b_lois1.gif";
pics[16] = new Image();
pics[16].src = "images/b_lois2.gif";

pics[17] = new Image();
pics[17].src = "images/b_mustang1.gif";
pics[18] = new Image();
pics[18].src = "images/b_mustang2.gif";

pics[19] = new Image();
pics[19].src = "images/b_gablue1.gif";
pics[20] = new Image();
pics[20].src = "images/b_gablue2.gif";

pics[21] = new Image();
pics[21].src = "images/b_pm1.gif";
pics[22] = new Image();
pics[22].src = "images/b_pm2.gif";

pics[23] = new Image();
pics[23].src = "images/b_dexter1.gif";
pics[24] = new Image();
pics[24].src = "images/b_dexter2.gif";

pics[25] = new Image();
pics[25].src = "images/b_laura1.gif";
pics[26] = new Image();
pics[26].src = "images/b_laura2.gif";

pics[27] = new Image();
pics[27].src = "images/b_time1.gif";
pics[28] = new Image();
pics[28].src = "images/b_time2.gif";

pics[31] = new Image();
pics[31].src = "images/b_ugp1.gif";
pics[32] = new Image();
pics[32].src = "images/b_ugp2.gif";

pics[33] = new Image();
pics[33].src = "images/bt-newsevents1.gif";
pics[34] = new Image();
pics[34].src = "images/bt-newsevents2.gif";

pics[35] = new Image();
pics[35].src = "images/bt-business1.gif";
pics[36] = new Image();
pics[36].src = "images/bt-business2.gif";
}

function changer(from,to) {
if(document.images) {
document.images[from].src = pics[to].src;
}
}