var prefsLoaded = false;
var defaultmenuFontSize = 77;
var currentmenuFontSize = defaultmenuFontSize;
var defaultFontSize = 80;
var currentFontSize = defaultFontSize;



function revertStyles(){
	currentmenuFontSize = defaultmenuFontSize;
	currentFontSize = defaultFontSize;
	changeFontSize(0);
}

function toggleColors(){
	if(currentStyle == "White"){
		setColor("Black");
	}else{
		setColor("White");
	}
}


function changeFontSize(sizeDifference){
	currentmenuFontSize = parseInt(currentmenuFontSize) + parseInt(sizeDifference*4);
	currentFontSize = parseInt(currentFontSize) + parseInt(sizeDifference*5);

	if(currentFontSize > 200){
		currentFontSize = 200;
	}else if(currentFontSize < 50){
		currentFontSize = 50;
	}
	setFontSize(currentFontSize);
	
	if(currentmenuFontSize > 150){
		currentmenuFontSize = 150;
	}else if(currentmenuFontSize < 60){
		currentmenuFontSize = 60;
	}
	setmenuFontSize(currentmenuFontSize);
};

function setmenuFontSize(menuFontSize){
	var theChangeArea01= "mainMenuBars";
	if(currentmenuFontSize == 0){
		currentmenuFontSize = 80;
	}
	var menuObject = (document.getElementById) ? document.getElementById(theChangeArea01) : document.all(theChangeArea01);
	menuObject.style.fontSize = menuFontSize + '%';
};

function setFontSize(fontSize){
	var theChangeArea= "content";
	if(currentFontSize == 0){
		currentFontSize = 80;
	}
	var stObj = (document.getElementById) ? document.getElementById(theChangeArea) : document.all(theChangeArea);
	stObj.style.fontSize = fontSize + '%';
};

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 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 getSettings() {
	var cookie = readCookie("menuFontSize");
	var currentmenuFontSize = cookie ? cookie : defaultmenuFontSize;
	setmenuFontSize(currentmenuFontSize);
	var cookie = readCookie("fontSize");
	var currentFontSize = cookie ? cookie : defaultFontSize;
	setFontSize(currentFontSize);
	if(!prefsLoaded){
		prefsLoaded = true;
	}		
}


function saveSettings()
{
  createCookie("menuFontSize", currentmenuFontSize, 365);
   createCookie("fontSize", currentFontSize, 365);
}