function init(base_url)
{
  // red
	$("#style_light").click(function() {
	  switchStyles(base_url + "/styles.css");
	});
	
	// blue
	$("#style_dark").click(function() {
		switchStyles(base_url + "/styles_dark.css");
	});
  
  var c = readCookie('style');
  if (c) switchStyles(c);
  
  // commentform toggler
  $("#addcomment").click(function(){
    $("#commentform").show();
  });
  $("#cancelcomment").click(function(){
    $("#commentform").hide();
  });
}


function switchStyles(style)
{
  $("link[rel=stylesheet]").attr({href : style});
  createCookie('style', style, 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);
}