function changeCSS(title) {
	setActiveStyleSheet(title);
	setChangeCssImages(title);
	return false;
}
function setChangeCssImages(title) {
	if (title == 'mid') {
		$("fontsize1").src = "/daigakuin/images/char_large_btn_off.gif";
		$("fontsize2").src = "/daigakuin/images/char_mid_btn_on.gif";
		$("fontsize3").src = "/daigakuin/images/char_small_btn_off.gif";
	}
	if (title == 'large') {
		$("fontsize1").src = "/daigakuin/images/char_large_btn_on.gif";
		$("fontsize2").src = "/daigakuin/images/char_mid_btn_off.gif";
		$("fontsize3").src = "/daigakuin/images/char_small_btn_off.gif";
	}
	if (title == 'small') {
		$("fontsize1").src = "/daigakuin/images/char_large_btn_off.gif";
		$("fontsize2").src = "/daigakuin/images/char_mid_btn_off.gif";
		$("fontsize3").src = "/daigakuin/images/char_small_btn_on.gif";
	}
}
function initChangeCssImages() {
	var currentTitle = getActiveStyleSheet();
	setChangeCssImages(currentTitle);
}