function resizefonts () {
 	var fMin = document.getElementById("font-min");
	 var fNormal = document.getElementById("font-normal");
	 var fMax = document.getElementById("font-max");
	 var fSize = 100;
 
	 var body = document.getElementsByTagName("body")[0];
	 body.style.fontSize = "120%";
 
	 fNormal.onclick = function (){
		  body.style.fontSize = "120%";
		  return false;
	 }
	 fMin.onclick = function (){
		  fSize = body.style.fontSize.replace("%","");
		  fSize = parseInt(fSize) - 7.5;
		  if (fSize <= 40) fSize = 40;  
		  body.style.fontSize = fSize+"%";
		  return false;
	 }
	 fMax.onclick = function (){
		  fSize = body.style.fontSize.replace("%","");
		  fSize = parseInt(fSize) + 7.5;
		  if (fSize >= 145) fSize = 145;
		  body.style.fontSize = fSize+"%";
		  return false;
	 }
}


if (window.addEventListener) {
	window.addEventListener("load", resizefonts, false);
}
else if (window.attachEvent) {
	window.attachEvent("onload", resizefonts);
}