function open_toplayer(){
	document.getElementById('toplayer_r8').style.display='table';
}
function close_toplayer(){
	document.getElementById('toplayer_r8').style.display='none';
}
function open_toplayer_a4(){
	document.getElementById('toplayer_a4').style.display='table';
}
function close_toplayer_a4(){
	document.getElementById('toplayer_a4').style.display='none';
}