window.addEvent('domready',function() {
	$('menu-lang').addEvent('change',function(){
		document.location = $('menu-lang').options[$('menu-lang').selectedIndex].value
	})
	
	$each($$('#menu_1 li'),function(item, index) {

		item.addEvent('mouseout',function() {
			style = item.get('class');
			if(style.indexOf('_active') < 0) 
				item.set('class',style.replace("_hover",""));
		});
		item.addEvent('mouseover',function() {
			style = item.get('class');
			if(style.indexOf('_active') < 0) 
				item.set('class',style + '_hover');
		});
	});
	
	$each($$('#menu_2 li'),function(item, index) {

		item.addEvent('mouseout',function() {
			style = item.get('class');
			if(style.indexOf('_active') < 0) 
				item.set('class',style.replace("_hover",""));
		});
		item.addEvent('mouseover',function() {
			style = item.get('class');
			if(style.indexOf('_active') < 0) 
				item.set('class',style + '_hover');
			
		});
	});

	var scroll = window.getScrollSize();
	var screen = window.getSize();
	if(scroll.y==screen.y){
		$('scroll_button').style.display = 'none';
	} else {
		$('scroll_button').style.display = 'inline';
	}

});