window.addEvent('domready', function() {
	
	//Font Size
	var fontSize = new Fx.Style('wrapper', 'font-size', {duration: 500, unit: 'em', transition: Fx.Transitions.quadInOut});
		
	//Normal Text
	$('normalTextSize').addEvent('click', function()
	{
		fontSize.start(1);
		Cookie.set("MIfontSize", "normalTextSize", {duration: 30});
	});
	
	//Larger Text
	$('largerTextSize').addEvent('click', function()
	{
		fontSize.start(1.2);
		Cookie.set("MIfontSize", "largerTextSize", {duration: 30});
	});
	
	//Largest Text
	$('largestTextSize').addEvent('click', function()
	{
		fontSize.start(1.4);
		Cookie.set("MIfontSize", "largestTextSize", {duration: 30});
	});

	//Cookie check for font size
	if(Cookie.get("MIfontSize") == "largerTextSize")
	{ 
		fontSize.set(1.2);
	}
	else if(Cookie.get("MIfontSize") == "largestTextSize")
	{
		fontSize.set(1.4);
	}
	else
	{
		fontSize.set(1);
	}
	
	//Contrast
	$('highContrast').addEvent('click', function()
	{
		setActiveStyleSheet('highContrast');
		loadHighContrastImages();
		loadHighContrastPageBackground(); //IE was having problems loading a new body bckrnd from the alternate stylesheet, this method works fine.
	});
	$('normalContrast').addEvent('click', function()
	{
		setActiveStyleSheet('default');
		loadNormalContrastImages();
		loadNormalContrastPageBackground();
	});
	
	//Cookie check for contrast preference
	if(Cookie.get("MI_style") == "highContrast")
	{
		loadHighContrastImages();
		loadHighContrastPageBackground();
	}
	else
	{
		loadNormalContrastImages();
		loadNormalContrastPageBackground();
	}
	
}); //Close domready 

//High Contrast Functions
function loadHighContrastImages()
{
	$('logo').setHTML('<a href="/" target="_self"><img src="../Styles/Images/logo_high_contrast.png" alt="Minerals Ireland" width="267" height="92" /></a>');
	$('footerLogo').setHTML('<img src="../Styles/Images/footer_logo_high_contrast.jpg" alt="Logo" width="300" height="46" />');	
}
function loadHighContrastPageBackground()
{
	$$('body').setStyle('background-color', '#000');
}

//Normal Contrast Functions
function loadNormalContrastImages()
{
	$('logo').setHTML('<a href="/" target="_self"><img src="../Styles/Images/logo.png" alt="Minerals Ireland" width="267" height="92" /></a>');
	$('footerLogo').setHTML('<img src="../Styles/Images/footer_logo.jpg" alt="Logo" width="300" height="46" />');	
}
function loadNormalContrastPageBackground()
{
	$$('body').setStyle('background-color', '#ede9db');
}