function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

var textFontSize = new Array();

textFontSize[0] = '80%';
textFontSize[1] = '90%';
textFontSize[2] = '100%';
textFontSize[3] = '110%';
textFontSize[4] = '120%';
textFontSize[5] = '130%';
textFontSize[6] = '200%';


function changeFS(whichFontSize){
 document.body.style.fontsize = textFontSize[whichFontSize];
 createCookie('textFontSize', whichFontSize);
 
 
}

if(readCookie('textFontSize'))
 document.write('<style type="text/css">body {font-size: ' + textFontSize[readCookie("textFontSize")] + ';}<\/style>');