var pixelsPerEm;
window.onresize = rze;

function lde() {
 	pixelsPerEm = document.getElementById('sizer').offsetWidth;
	var date = new Date();
	date.setTime(date.getTime()+(60*60*1000));
	document.cookie = 'pixelsperem='+pixelsPerEm+';expires='+date.toGMTString()+'; path=/';
	rze();

}

function rze() {
	document.body.style.fontSize = (100/((48.5*pixelsPerEm)/document.body.offsetWidth))+"%";
	var date = new Date();
	date.setTime(date.getTime()+(60*60*1000));
	document.cookie = 'textsize='+document.body.style.fontSize+';expires='+date.toGMTString()+'; path=/';
}