var prefsLoaded = false;
var defaultFontSize =80;
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 > 95){
	currentFontSize = 95;
}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);
};