/*
	var defaultsize = 0.75;
	var stepPlus = 1.08;
	var stepMinus = 0.92;
	var minsize = 0.51;
	var maxsize = 1.51;
	
	function setFontSize(mode){	
		if(parseFloat(mode) > minsize && parseFloat(mode)< maxsize){
			document.getElementById('contentTag').style.fontSize = mode + "em";
			setCookie('heliosfont', mode + "");
			mysize = mode;
		}
	}
	
	mysize = parseFloat(getCookie('heliosfont'));
	if(!mysize){
		mysize = defaultsize;
	}
	
	setFontSize(mysize);
	
	function setCookie(name, value) {
	  var curCookie = name + "=" + escape(value) 
	  document.cookie = curCookie;
	}

	function getCookie(name) {
	  var dc = document.cookie;
	  var prefix = name + "=";
	  var begin = dc.indexOf("; " + prefix);
	  if (begin == -1) {
	    begin = dc.indexOf(prefix);
	    if (begin != 0) {
	    	return null;
	    }
	  } 
	  else {
	    begin += 2;
	  }
	  var end = document.cookie.indexOf(";", begin);
	  if (end == -1)
	    end = dc.length;
	  return unescape(dc.substring(begin + prefix.length, end));
	}
	
	function fontUp() {
		var current = document.getElementById('contentTag').style.fontSize;
		if (current == "") {
			newSize = 0.75*1.08;
		} else {
			newSize = parseFloat(current.replace("em","")) + 0.1;
		}
		document.getElementById('contentTag').style.fontSize = newSize+"em";
	}
	
	function fontDown() {
		var current = document.getElementById('contentTag').style.fontSize;
		if (current == "") {
			newSize = 0.75*0.9;
		} else if (current == "0.1em") {
			newSize = "0.1";
		} else {
			newSize = parseFloat(current.replace("em","")) - 0.1;
		}
		document.getElementById('contentTag').style.fontSize = newSize+"em";
	}

	function lineHeightUp() {
		var current = document.getElementById('contentTag').style.lineHeight;
		if (current == "") {
			newSize = 1.3*1.3;
		} else {
			if (current == "3") {
				newSize = "1.2";
			} else {
				newSize = parseFloat(current.replace("em","")) + 0.1;
			}
		}
		document.getElementById('contentTag').style.lineHeight = newSize;
	}
	*/
	function fontUp() {
		var current = document.getElementById('contentTag').style.fontSize;
		if (current == "") {
			newSize = "0.81";
		} else {
			newSize = parseFloat(current.replace("em","")) + 0.1;
		}
		document.getElementById('contentTag').style.fontSize = newSize+"em";
	}
	
	function fontDown() {
		var current = document.getElementById('contentTag').style.fontSize;
		if (current == "") {
			newSize = "0.69";
		} else if (current == "0.1em") {
			newSize = "0.1";
		} else {
			newSize = parseFloat(current.replace("em","")) - 0.1;
		}
		document.getElementById('contentTag').style.fontSize = newSize+"em";
	}
	
	function lineHeightUp() {
		var current = document.getElementById('contentTag').style.lineHeight;
		if (current == "") {
			newSize = "1.3";
		} else {
			if (current == "3") {
				newSize = "1.2";
			} else {
				newSize = parseFloat(current.replace("em","")) + 0.1;
			}
		}
		document.getElementById('contentTag').style.lineHeight = newSize;
	}