function initPage () {
	var fMin = document.getElementById("font-min");
	var fNormal = document.getElementById("font-max");
	var fMax = document.getElementById("font-smax");
	var fSize = 100;
	
	var body = document.getElementsByTagName("body")[0];
	body.style.fontSize = "100%";

	fNormal.onclick = function (){
		body.style.fontSize = "100%";
		return false;
	}
	fMin.onclick = function (){
		fSize = body.style.fontSize.replace("%","");
		fSize = parseInt(fSize) - 20;
		if (fSize <= 80) fSize = 80;  
		body.style.fontSize = fSize+"%";
		return false;
	}
	fMax.onclick = function (){
		fSize = body.style.fontSize.replace("%","");
		fSize = parseInt(fSize) + 20;
		if (fSize >= 120) fSize = 120; 
		body.style.fontSize = fSize+"%";
		return false;
	}
}

if (window.addEventListener)
	window.addEventListener("load", initPage, false);
else if (window.attachEvent)
	window.attachEvent("onload", initPage);