function button0() {

for (var i = 1; i <= 3; i++) {
odiv = document.getElementById("hoffer" + i)
odiv.style.zIndex=4;
}
for (var i = 1; i <= 3; i++) {
adiv = document.getElementById("aoffer" + i)
adiv.style.zIndex=5;
}
}

function button1() {
b1div = document.getElementById("aoffer1")
b1div.style.zIndex=1;
}

function button2() {
b2div = document.getElementById("aoffer2")
b2div.style.zIndex=1;
}

function button3() {
b3div = document.getElementById("aoffer3")
b3div.style.zIndex=1;
}

function change1() {
boxbg()
document.getElementById("link1").style.color = "#000000"; 
document.getElementById("element1").style.backgroundImage = 'url(/NR/rdonlyres/B07412FF-9CA8-4B8C-9748-E05EFB8C501E/0/box_active_top_1.jpg)'; 
divt1 = document.getElementById("telement1");
divt1.style.zIndex=11;
}

function change2() {
boxbg()
document.getElementById("link2").style.color = "#000000"; 
document.getElementById("element2").style.backgroundImage = 'url(/NR/rdonlyres/B07412FF-9CA8-4B8C-9748-E05EFB8C501E/0/box_active_top_1.jpg)'; 
divt2 = document.getElementById("telement2");
divt2.style.zIndex=11;
}

function change3() {
boxbg()
document.getElementById("link3").style.color = "#000000"; 
document.getElementById("element3").style.backgroundImage = 'url(/NR/rdonlyres/B07412FF-9CA8-4B8C-9748-E05EFB8C501E/0/box_active_top_1.jpg)'; 
divt3 = document.getElementById("telement3");
divt3.style.zIndex=11;
}

function change4() {
boxbg()
document.getElementById("link4").style.color = "#000000"; 
document.getElementById("element4").style.backgroundImage = 'url(/NR/rdonlyres/B07412FF-9CA8-4B8C-9748-E05EFB8C501E/0/box_active_top_1.jpg)'; 
divt4 = document.getElementById("telement4");
divt4.style.zIndex=11;
}

function change5() {
boxbg()
document.getElementById("link5").style.color = "#000000"; 
document.getElementById("element5").style.backgroundImage = 'url(/NR/rdonlyres/B07412FF-9CA8-4B8C-9748-E05EFB8C501E/0/box_active_top_1.jpg)'; 
divt5 = document.getElementById("telement5");
divt5.style.zIndex=11;
}

function boxbg () {

idiv = document.getElementById("inf")
idiv.style.zIndex=0;

for (var i = 1; i <= 5; i++) {
document.getElementById("element" + i).style.backgroundImage = 'url(/NR/rdonlyres/F5F3AC36-90E6-4F2E-AC73-CE1FFBA072F5/0/box_inactive_top_1.jpg)';
}
for (var i = 1; i <= 5; i++) {
document.getElementById("link" + i).style.color = "#FFFFFF";
}
for (var i = 1; i <= 5; i++) {
tdiv = document.getElementById("telement" + i)
tdiv.style.zIndex=1;
}
}