function hideAll()
{
document.getElementById('flipper').style.display = "none";
document.getElementById('flipper2').style.display = "none";
document.getElementById('flipper3').style.display = "none";
document.getElementById('flipper4').style.display = "none";
}

function flipImage(imgid)
{


switch (imgid)
{
case "indoor":
hideAll();
document.getElementById('flipper3').style.display = "block";
caption = "Indoor Tennis";
break

case "logos":
hideAll();
document.getElementById('flipper4').style.display = "block";
caption = "Custom Logos & Colors";
break

case "outdoor":
hideAll();
document.getElementById('flipper2').style.display = "block";
caption = "Outdoor Tennis";
break

default:
hideAll();
document.getElementById('flipper').style.display = "block";
// caption = "Windscreens Promote Better Play";
caption = "Supplier to Major Tournaments";
break



}

document.getElementById('bigcaption').innerHTML = '<center>'+caption+'</center>';

}