function setstylesheet(title) {
	var i, a, main, b;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if( a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") ){
			a.disabled = true;
			if( a.getAttribute("title") == title ) a.disabled = false;
		}
	}
	if(document.getElementById('print_parts')) document.getElementById('print_parts').disabled = true;
	if(document.getElementById('idx_contentsarea_inner02')) document.getElementById('idx_contentsarea_inner02').style.visibility = "visible";
	if(document.getElementById('maincontents_inner')) document.getElementById('maincontents_inner').style.visibility = "visible";
	if(document.getElementById('rmenu')) document.getElementById('rmenu').style.visibility = "visible";
	if(document.getElementById('lmenu02')) document.getElementById('lmenu02').style.visibility = "visible";
	if(document.getElementById('pankuzu')) document.getElementById('pankuzu').style.visibility = "visible";
	if(document.getElementById('header_link')) document.getElementById('header_link').style.visibility = "visible";
	if(document.getElementById('footer_link')) document.getElementById('footer_link').style.visibility = "visible";
}

function fontsizechange(fsid){
	var c_name = "ngu_fs";			// クッキーの名前
	var c_expire = 90;				// クッキーの有効期限日数
	var c_value = '';				// クッキーの値
	
	var fsid2 = '';
	if( fsid == 'fs_init' ){
		if( document.cookie ){
			var cookies = document.cookie.split("; ");
			for( var i = 0; i < cookies.length; i++ ){
				var str = cookies[i].split("=");
				if( str[0] == c_name ){
					c_value = str[1];
					break;
				}
			}
		}
		fsid2 = c_value;
	} else {
		fsid2 = fsid;
	}
	
	if( fsid2 == 'fs_s' ){
		document.getElementById("fs_s").style.backgroundPosition = 'left 0px';
		document.getElementById("fs_m").style.backgroundPosition = 'left -17px';
		document.getElementById("fs_l").style.backgroundPosition = 'left -17px';
		setstylesheet('fs_s');
	} else if( fsid2 == 'fs_m' ){
		document.getElementById("fs_s").style.backgroundPosition = 'left -17px';
		document.getElementById("fs_m").style.backgroundPosition = 'left 0px';
		document.getElementById("fs_l").style.backgroundPosition = 'left -17px';
		setstylesheet('fs_m');
	} else if( fsid2 == 'fs_l' ){
		document.getElementById("fs_s").style.backgroundPosition = 'left -17px';
		document.getElementById("fs_m").style.backgroundPosition = 'left -17px';
		document.getElementById("fs_l").style.backgroundPosition = 'left 0px';
		setstylesheet('fs_l');
	} else {
		document.getElementById("fs_s").style.backgroundPosition = 'left -17px';
		document.getElementById("fs_m").style.backgroundPosition = 'left -17px';
		document.getElementById("fs_l").style.backgroundPosition = 'left -17px';
		setstylesheet('fs_m');
	}	
	
	var nowtime = new Date().getTime();
	var clear_time = new Date(nowtime + (60 * 60 * 24 * 1000 * c_expire));
	var c_expire2 = clear_time.toGMTString();
	
	document.cookie = c_name + "=" + fsid2 + "; path=/; expires=" + c_expire2;
}




function fontSizeBtn() {
	document.write('<div id="header_fontsize_title"><img src="/common/images/t_fontsize.gif" width="49" height="14" alt="文字サイズ" /></div>');
	document.write('<ul id="header_fontsize_btn">');
	document.write('<li><span id="fs_s"><a href="javascript:;" onclick="fontsizechange(\'fs_s\'); return false;"></a></span></li>');
	document.write('<li><span id="fs_m"><a href="javascript:;" onclick="fontsizechange(\'fs_m\'); return false;"></a></span></li>');
	document.write('<li><span id="fs_l"><a href="javascript:;" onclick="fontsizechange(\'fs_l\'); return false;"></a></span></li>');
	document.write('</ul>');
}