function switchout(pnl){

if (pnl == 1)
{
 document.getElementById("buttons").style.backgroundPosition = "0px -886px";
}
else if(pnl == 2)
{
 document.getElementById("buttons").style.backgroundPosition = "0px 0px";
}
else
{
 document.getElementById("buttons").style.backgroundPosition = "0px -443px";
}

}