function outputFontSize(){
	document.write('<ul id="change-fontsize">');
	document.write('<li><a href="javascript:fontSizeUp();" id="fontsize-up" title="文字を大きくする"><span>文字を大きくする</span></a></li>');
	document.write('<li><a href="javascript:fontSizeReset();" id="fontsize-down" title="文字を小さくする"><span>文字を小さくする</span></a></li>');
	document.write('</ul>');
	document.write('<br class="clear" />');
}

function changeCss(){
	document.getElementById("topicpath").style.styleFloat = "left";
	document.getElementById("topicpath").style.cssFloat = "left";
	document.getElementById("topicpath").style.width = "500px";
}

function setCookie(s){
	Name = "VIC=";
	Term = new Date();
	Term.setTime(Term.getTime() + 31536000000);
	document.cookie = Name + s + "; path=/" + "; expires=" + Term.toGMTString();
}

function getCookie(){
	zoom = "";
	Name = "VIC=";
	tmpCookie = document.cookie + ";";
	start = tmpCookie.indexOf(Name);
	if (start != -1)
	{
		end = tmpCookie.indexOf(";", start);
		zoom = tmpCookie.substring(start + Name.length, end);
		document.getElementById("contentbody").style.fontSize = zoom;
	} else {
		document.getElementById("contentbody").style.fontSize = "100%";
	}
}

function fontSizeUp(){
	currentSize = document.getElementById("contentbody").style.fontSize;
	setSize = "";
	if ( currentSize == "100%" ){
		setSize = "120%";
	}
	else if ( currentSize == "120%" ){
		setSize = "140%";
	}
	else if ( currentSize == "140%" ){
		setSize = "160%";
	}
	else if ( currentSize == "160%" ){
		m = escape("これ以上文字を大きくできません。");
		alert(unescape(m));
		setSize = "160%";
	}
	else {
		setSize = "100%";
	}
	document.getElementById("contentbody").style.fontSize = setSize;
	setCookie(setSize);
}

function fontSizeReset(){
	currentSize = document.getElementById("contentbody").style.fontSize;
	setSize = "";
	if ( currentSize == "160%" ){
		setSize = "140%";
	}
	else if ( currentSize == "140%" ){
		setSize = "120%";
	}
	else if ( currentSize == "120%" ){
		setSize = "100%";
	}
	else if ( currentSize == "100%" ){
		m = escape("これ以上文字を小さくできません。");
		alert(unescape(m));
		setSize = "100%";
	}
	else {
		setSize = "100%";
	}
	document.getElementById("contentbody").style.fontSize = setSize;
	setCookie(setSize);
}