window.addEvent('domready', function(){
	fixfloats();
	window.addEvent('scroll', fixfloats);
	
	if($('slides')){
		var pic = $('slides').getElement('img.img');
		var pics = $('slides').getElement('div.list').getElements('img');
		if(pics.length>1){
			$('slides').getElement('div.list').removeClass('hidden');
			var prevpind = 0;
			var pind = 0; 
			(function(){
				prevpind = pind;
				if(++pind>pics.length) pind = 0;
				pics[prevpind].removeClass('active');
				pics[pind].addClass('active');
				pic.src = pics[pind].src;
			}).periodical(3000);
			
			pics.addEvent('click', function(){
				prevpind = pind;
				pind = pics.indexOf(this);
				pics[prevpind].removeClass('active');
				pics[pind].addClass('active');
				pic.src = this.src;
			});
		}
	}
});

fixfloats = function(){
	if(window.getScroll().y>=134){
		$('header').addClass('header-fix');
	} else {
		$('header').removeClass('header-fix');
	}
	var m = window.getScroll().y+window.getSize().y-$('page').getSize().y;
	if(m>-32){
		$('footer').addClass('footer-unfix');
		$('footer').setStyle('bottom', window.getSize().y-$('page').getSize().y);
	} else {
		$('footer').removeClass('footer-unfix');
		$('footer').setStyle('bottom', window.getSize()-$('page').getSize().y);
	}
}