if(document.images) {
pics = new Array(); 
pics[1] = new Image();
pics[1].src = "images/buttons/home_red.gif"; 
pics[2] = new Image();
pics[2].src = "images/buttons/home_blue.gif";
pics[3] = new Image();
pics[3].src = "images/buttons/bio_red.gif"; 
pics[4] = new Image();
pics[4].src = "images/buttons/bio_blue.gif";
pics[5] = new Image();
pics[5].src = "images/buttons/music_red.gif"; 
pics[6] = new Image();
pics[6].src = "images/buttons/music_blue.gif";
pics[7] = new Image();
pics[7].src = "images/buttons/gallery_red.gif"; 
pics[8] = new Image();
pics[8].src = "images/buttons/gallery_blue.gif";
pics[9] = new Image();
pics[9].src = "images/buttons/news_red.gif"; 
pics[10] = new Image();
pics[10].src = "images/buttons/news_blue.gif";
pics[11] = new Image();
pics[11].src = "images/buttons/schedule_red.gif"; 
pics[12] = new Image();
pics[12].src = "images/buttons/schedule_blue.gif";
pics[13] = new Image();
pics[13].src = "images/buttons/links_red.gif"; 
pics[14] = new Image();
pics[14].src = "images/buttons/links_blue.gif";
pics[15] = new Image();
pics[15].src = "images/buttons/contact_red.gif"; 
pics[16] = new Image();
pics[16].src = "images/buttons/contact_blue.gif";
}

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