var expDays = 30;
var exp = new Date(); 
var expired = new Date(exp.getTime() - 48 * 60 * 60 * 1000); 
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));

function setTextSize(pct){
	//alert(pct);
	document.getElementsByTagName('div').item(0).style.fontSize= pct + '%';
	var fonts='aa';
	if (pct == '65')fonts='a';
	if (pct == '90')fonts='aa';
	if (pct == '100')fonts='aaa';
	if (pct == '120')fonts='aaaa';
	
	setCookie( 'nbfsize', fonts);
}	
		

function getTextSize(){

	var cookieFSize = getCookie('nbfsize');
	if (cookieFSize == null){
		cookieFSize= 'aaa';
	}
	
	if (cookieFSize == 'aa')setTextSize('65');
	if (cookieFSize == 'aa')setTextSize('90');
	if (cookieFSize == 'aaa')setTextSize('100');
	if (cookieFSize == 'aaaa')setTextSize('120');
}

function setCookie(name, value){  	
	document.cookie = name + "=" + escape (value) + "; expires=" + exp.toGMTString() + "; path=/"
}

function getCookie(name) 
{  
	var arg = name + "=";  
	var alen = arg.length;  
	var clen = document.cookie.length;  
	var i = 0;  
	while (i < clen) 
	{    
		var j = i + alen;    
		if (document.cookie.substring(i, j) == arg)      
		return getCookieVal (j);    
		i = document.cookie.indexOf(" ", i) + 1;    
		if (i == 0) break;   
	}  
	return '';
}

function getCookieVal(offset) 
{  
	var endstr = document.cookie.indexOf (";", offset);  
	if (endstr == -1)    
	endstr = document.cookie.length;  
	return unescape(document.cookie.substring(offset, endstr));
}