function show_sign(  )
{
	
	var size = 1;
	var dest = 150;
	var interval = 0;
	$('sign_image').style.display='block';
	while ( size < 310 )
	{
		setTimeout( "$('sp').style.width = '"+size+"px';$('sp').style.height = '"+size+"px'; $('sign_image').style.width = '"+size+"px'; $('sign_image').style.height = '"+size+"px'; $('sign_image').style.top = '"+dest+"px'; $('sign_image').style.left = '"+dest+"px';", interval );
		
		size += 30;
		dest -= 8;
		interval += 10;
	}
}