if(document.images) {
pics = new Array(); 
pics[1] = new Image();
pics[1].src = "images/bt-intro1.gif"; 
pics[2] = new Image();
pics[2].src = "images/bt-intro2.gif";
pics[3] = new Image();
pics[3].src = "images/bt-indpbiz1.gif";
pics[4] = new Image();
pics[4].src = "images/bt-indpbiz2.gif";
pics[5] = new Image();
pics[5].src = "images/bt-amway1.gif";
pics[6] = new Image();
pics[6].src = "images/bt-amway2.gif";
pics[7] = new Image();
pics[7].src = "images/bt-lampe1.gif";
pics[8] = new Image();
pics[8].src = "images/bt-lampe2.gif";
pics[9] = new Image();
pics[9].src = "images/bt-agape1.gif";
pics[10] = new Image();
pics[10].src = "images/bt-agape2.gif";
pics[11] = new Image();
pics[11].src = "images/bt-melilea1.gif";
pics[12] = new Image();
pics[12].src = "images/bt-melilea2.gif";
pics[13] = new Image();
pics[13].src = "images/bt-klink1.gif";
pics[14] = new Image();
pics[14].src = "images/bt-klink2.gif";
pics[15] = new Image();
pics[15].src = "images/bt-contact1.gif";
pics[16] = new Image();
pics[16].src = "images/bt-contact2.gif";
pics[17] = new Image();
pics[17].src = "images/bt-sqc1.gif";
pics[18] = new Image();
pics[18].src = "images/bt-sqc2.gif";
pics[19] = new Image();
pics[19].src = "images/bt-eict1.gif";
pics[20] = new Image();
pics[20].src = "images/bt-eict2.gif";
pics[21] = new Image();
pics[21].src = "images/bt-home1.gif";
pics[22] = new Image();
pics[22].src = "images/bt-home2.gif";
}

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