var Timer;

function ScrollLeft()
{
Timer = setInterval("document.getElementById('scrolladblock').scrollLeft -= 200", 1);
}
function ScrollRight()
{
Timer = setInterval("document.getElementById('scrolladblock').scrollLeft += 200", 1);
}
function Show1() {
document.all.btn1.style.visibility = "visible";
document.all.btn2.style.visibility = "hidden";
}
function Show2() {
document.all.btn2.style.visibility = "visible";
document.all.btn1.style.visibility = "hidden";
}