var idxwnimg = new Array();

for( i = 0 ; i < 8 ; i++ ){
	idxwnimg[i] = new Image();
}

idxwnimg[0].src= "/images/idx_tab_wn_nyushi.gif";
idxwnimg[1].src= "/images/idx_tab_wn_nyushi_act.gif";
idxwnimg[2].src= "/images/idx_tab_wn_daigaku.gif";
idxwnimg[3].src= "/images/idx_tab_wn_daigaku_act.gif";
idxwnimg[4].src= "/images/idx_tab_wn_daigakuin.gif";
idxwnimg[5].src= "/images/idx_tab_wn_daigakuin_act.gif";
idxwnimg[6].src= "/images/idx_tab_wn_media.gif";
idxwnimg[7].src= "/images/idx_tab_wn_media_act.gif";

function idxWhatsnewTab() {
	document.write('<ul class="clearfix">');
	document.write('<li><a href="javascript:;" onclick="idxWhatsnewChange(\'idx_wn_daigaku\');"><img src="/images/idx_tab_wn_daigaku_act.gif" width="142" height="27" name="idx_wn_daigaku_tab" alt="大学からのお知らせ" /></a></li>');
	document.write('<li><a href="javascript:;" onclick="idxWhatsnewChange(\'idx_wn_nyushi\');"><img src="/images/idx_tab_wn_nyushi.gif" width="92" height="27" name="idx_wn_nyushi_tab" alt="入試情報" /></a></li>');
	document.write('<li><a href="javascript:;" onclick="idxWhatsnewChange(\'idx_wn_daigakuin\');"><img src="/images/idx_tab_wn_daigakuin.gif" width="147" height="27" name="idx_wn_daigakuin_tab" alt="大学院からのお知らせ" /></a></li>');
	document.write('<li><a href="javascript:;" onclick="idxWhatsnewChange(\'idx_wn_media\');"><img src="/images/idx_tab_wn_media.gif" width="110" height="27" name="idx_wn_media_tab" alt="メディア掲載" /></a></li>');
	document.write('</ul>');
	
}

function idxWhatsnewChange(tn) {
	if(tn == 'idx_wn_nyushi'){
		document.images["idx_wn_nyushi_tab"].src = idxwnimg[1].src;
		document.images["idx_wn_daigaku_tab"].src = idxwnimg[2].src;
		document.images["idx_wn_daigakuin_tab"].src = idxwnimg[4].src;
		document.images["idx_wn_media_tab"].src = idxwnimg[6].src;
		document.getElementById('idx_wn_nyushi').style.display = 'block';
		document.getElementById('idx_wn_daigaku').style.display = 'none';
		document.getElementById('idx_wn_daigakuin').style.display = 'none';
		document.getElementById('idx_wn_media').style.display = 'none';
	} else if(tn == 'idx_wn_daigaku'){
		document.images["idx_wn_nyushi_tab"].src = idxwnimg[0].src;
		document.images["idx_wn_daigaku_tab"].src = idxwnimg[3].src;
		document.images["idx_wn_daigakuin_tab"].src = idxwnimg[4].src;
		document.images["idx_wn_media_tab"].src = idxwnimg[6].src;
		document.getElementById('idx_wn_nyushi').style.display = 'none';
		document.getElementById('idx_wn_daigaku').style.display = 'block';
		document.getElementById('idx_wn_daigakuin').style.display = 'none';
		document.getElementById('idx_wn_media').style.display = 'none';
	} else if(tn == 'idx_wn_daigakuin'){
		document.images["idx_wn_nyushi_tab"].src = idxwnimg[0].src;
		document.images["idx_wn_daigaku_tab"].src = idxwnimg[2].src;
		document.images["idx_wn_daigakuin_tab"].src = idxwnimg[5].src;
		document.images["idx_wn_media_tab"].src = idxwnimg[6].src;
		document.getElementById('idx_wn_nyushi').style.display = 'none';
		document.getElementById('idx_wn_daigaku').style.display = 'none';
		document.getElementById('idx_wn_daigakuin').style.display = 'block';
		document.getElementById('idx_wn_media').style.display = 'none';
	} else if(tn == 'idx_wn_media'){
		document.images["idx_wn_nyushi_tab"].src = idxwnimg[0].src;
		document.images["idx_wn_daigaku_tab"].src = idxwnimg[2].src;
		document.images["idx_wn_daigakuin_tab"].src = idxwnimg[4].src;
		document.images["idx_wn_media_tab"].src = idxwnimg[7].src;
		document.getElementById('idx_wn_nyushi').style.display = 'none';
		document.getElementById('idx_wn_daigaku').style.display = 'none';
		document.getElementById('idx_wn_daigakuin').style.display = 'none';
		document.getElementById('idx_wn_media').style.display = 'block';
	}
}