function printwin(url_win){
	print_window=window.open(url_win,'win2','menubar=yes,width=600,height=600,scrollbars=yes,resizable=yes'); 
	return false;
}
function mailwin(url_win){
	mail_window=window.open(url_win,'win_mail','menubar=yes,width=475,height=464,scrollbars=yes'); 
	return false;
}