// JavaScript Document
function getCookie(NameOfCookie){
    if (document.cookie.length > 0) {              
    begin = document.cookie.indexOf(NameOfCookie+"=");       
    if (begin != -1) {           
      begin += NameOfCookie.length+1;       
      end = document.cookie.indexOf(";", begin);
      if (end == -1) end = document.cookie.length;
        return unescape(document.cookie.substring(begin, end));
    } 
  }
  return null;
}

function setCookie(NameOfCookie, value, expiredays) {
var ExpireDate = new Date();
ExpireDate.setTime(ExpireDate.getTime() + (expiredays * 24 * 3600 * 1000));

  document.cookie = NameOfCookie + "=" + escape(value) + 
  ((expiredays == null) ? "" : "; expires=" + ExpireDate.toGMTString());
}

function delCookie (NameOfCookie) {
  if (getCookie(NameOfCookie)) {
    document.cookie = NameOfCookie + "=" +
    "; expires=Thu, 01-Jan-70 00:00:01 GMT";
  }
}

function DoTheCookieStuff() {
	var p = document.getElementsByTagName('p');
	for(i=0;i<p.length;i++) {
	  Preference=getCookie('Preference');
		if (Preference!=null) {
			p[i].style.fontSize = Preference+"px"
		}
	}
	var div = document.getElementsByTagName('div');
	for(i=0;i<div.length;i++) {
	  Preference=getCookie('Preference');
		if (Preference!=null) {
			div[i].style.fontSize = Preference+"px"
		}
	}
}