var prefsLoaded = false;

var defaultFontSize = 100;

var currentFontSize = defaultFontSize;



function revertStyles(){



	currentFontSize = defaultFontSize;

	changeFontSize(0);



}



function toggleColors(){

	if(currentStyle == "White"){

		setColor("Black");

	}else{

		setColor("White");

	}

}



function changeFontSize(sizeDifference){

	currentFontSize = parseInt(currentFontSize) + parseInt(sizeDifference * 5);



	if(currentFontSize > 100){

		currentFontSize = 100;

	}else if(currentFontSize < 60){

		currentFontSize = 60;

	}



	setFontSize(currentFontSize);

};



function setFontSize(fontSize){
/*
	var stObj = (document.getElementById) ? document.getElementById('content_area') : document.all('content_area');

	document.body.style.fontSize = fontSize + '%';*/

	//alert (document.body.style.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;

};



window.onload = setUserOptions;



function setUserOptions(){

	if(!prefsLoaded){



		cookie = readCookie("fontSize");

		currentFontSize = cookie ? cookie : defaultFontSize;

		setFontSize(currentFontSize);

		

		prefsLoaded = true;

	}



}



window.onunload = saveSettings;



function saveSettings()

{

  createCookie("fontSize", currentFontSize, 365);

}