function resizefonts () {
 	var fplus = document.getElementById("font-plus");
	 var fminus = document.getElementById("font-minus");
	 var fSize = 1.4;
 
	 var body = document.getElementsByTagName("body")[0];
	 body.style.fontSize = "1.4em";
 
	 fplus.onclick = function (){
		  fSize = body.style.fontSize.replace("em","");
		  fSize = parseFloat(fSize) + 0.1;
		  if (fSize >= 2) fSize = 2;
		  body.style.fontSize = fSize+"em";
		  return false;
	 }
	 fminus.onclick = function (){
		  fSize = body.style.fontSize.replace("em","");
		  fSize = parseFloat(fSize) - 0.1;
		  if (fSize <= 1) fSize = 1;  
		  body.style.fontSize = fSize+"em";
		  return false;
	 }
}


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