function alertPlayer(){
	document.write('<img src="img_top/flash_alt.jpg" alt="Engeneering for the future." width="1000" height="400" />');
}
function alertPlayerPht(){
	document.write('<a href="http://www.adobe.com/go/JP-H-GET-FLASH" target="_blank"><img src="../img/error_fla.gif" alt="Adobe Flash Playerの最新版が必要です。" width="600" height="318" /></a>');
}