function ShowBackground(){
HideAll();
document.getElementById("background").style.visibility = "visible";
document.getElementById("historytab").style.backgroundImage = "url(Images/TabOn2.jpg)";
document.getElementById("historytab").style.color = "#000000";
}

function ShowPeople(){
HideAll();
document.getElementById("people").style.visibility = "visible";
document.getElementById("peopletab").style.backgroundImage = "url(Images/TabOn2.jpg)";
document.getElementById("peopletab").style.color = "#000000";
}

function ShowAgents(){
HideAll();
document.getElementById("resellers").style.visibility = "visible";
document.getElementById("agentstab").style.backgroundImage = "url(Images/TabOn2.jpg)";
document.getElementById("agentstab").style.color = "#000000";
}

function HideAll(){
document.getElementById("background").style.visibility = "hidden";
document.getElementById("people").style.visibility = "hidden";
document.getElementById("resellers").style.visibility = "hidden";

document.getElementById("historytab").style.backgroundImage = "url(Images/TabOff2.jpg)";
document.getElementById("peopletab").style.backgroundImage = "url(Images/TabOff2.jpg)";
document.getElementById("agentstab").style.backgroundImage = "url(Images/TabOff2.jpg)";
}