function openKentei() {
	MM_openBrWindow('examination/', '', 'scrollbars=no,width=838,height=670');
}
function openManga() {
	MM_openBrWindow('story.html', '', 'scrollbars=no,width=840,height=474');
}
function MM_openBrWindow(theURL,winName,features) { //v2.0
	window.open(theURL,winName,features);
}