function initPage () {
	var fMin = document.getElementById("small");
	var fNormal = document.getElementById("big");
	var fMax = document.getElementById("large");
	var fSize = 100;
	
	var body = document.getElementsByTagName("body")[0];
	body.style.fontSize = "75%";

	fNormal.onclick = function (){
		body.style.fontSize = "75%";
		return false;
	}
	fMin.onclick = function (){
		fSize = body.style.fontSize.replace("%","");
		fSize = parseInt(fSize) - 10;
		if (fSize <= 75) fSize = 75;  
		body.style.fontSize = fSize+"%";
		return false;
	}
	fMax.onclick = function (){
		fSize = body.style.fontSize.replace("%","");
		fSize = parseInt(fSize) + 10;
		if (fSize >= 105) fSize = 105; 
		body.style.fontSize = fSize+"%";
		return false;
	}
}

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