$(function(){

	function setCookie(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 getCookie(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 deleteCookie(name) {
		createCookie(name,"",-1);
	}

	$('input[name=q]').focus(function(){
		if(!$(this).val()) $(this).addClass('active');
	}).blur(function(){
		if(!$(this).val()) $(this).removeClass('active');
	});

	$('.archive_group li:not(.active) ul').hide();
	$('.archive_group li.year').find('a:first').click(function(e){
		e.preventDefault();
		$('.archive_group li.active').removeClass('active').find('ul').hide();
		$(this).parent().addClass('active').find('ul').show();
	});

	var theme = getCookie('theme');
	if(theme) $('#theme').attr('href','http://liwl.net/themes/'+theme+'/css/'+theme+'.css');
	$('.choose a').click(function(e){
		e.preventDefault();
		$('#theme').attr('href','http://liwl.net/themes/'+$(this).attr('class')+'/css/'+$(this).attr('class')+'.css');
		setCookie('theme',$(this).attr('class'));
	});

});