function setTheStyle(styleVal)
{
	var index = 2;
	if (styleVal == 'smaller')
		index = 1
	else if (styleVal == 'larger')
		index = 3;
	
	switch(index)
	{
	case 1:
		$('#smaller').addClass('underline');
		$('#regular').removeClass('underline');
		$('#larger').removeClass('underline');
		break    
	case 2:
		$('#regular').addClass('underline');
		$('#smaller').removeClass('underline');
		$('#larger').removeClass('underline');
		break
	case 3:
		$('#larger').addClass('underline');
		$('#smaller').removeClass('underline');
		$('#regular').removeClass('underline');
		break
	}
	currentStylesheet = styleVal;
}

function switchStylestyle(styleName)
{
	
	$('link[@rel*=style][@title]').each(function(i) 
	{
		this.disabled = true;
		if (this.getAttribute('title') == styleName)
		{
				this.disabled = false;
		}
	});
	setTheStyle(styleName);
	createCookie('style', styleName, 365);
}

// cookie functions http://www.quirksmode.org/js/cookies.html
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 var 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 eraseCookie(name)
{
	createCookie(name, "", -1);
}

$(document).ready(function() {
	var c = readCookie('style');
	if (c)
		switchStylestyle(c)
	else
		switchStylestyle('regular');
});