function menu_hover($menupart){
	
	document.getElementById($menupart).style.display = 'none';
	
	document.getElementById($menupart+'-hoverovane').style.display = 'block';

}

function menu_hover_out($menupart){
	
	document.getElementById($menupart+'-hoverovane').style.display = 'none';

	document.getElementById($menupart).style.display = 'block';

}

//-vertical
 
/*var mySlide1 = new Fx.Slide('menuitem1-hoverovane');
var mySlide2 = new Fx.Slide('menuitem2-hoverovane');
var mySlide3 = new Fx.Slide('menuitem3-hoverovane');
var mySlide4 = new Fx.Slide('menuitem4-hoverovane');
 
$('menuitem1').addEvent('mouseover', function(e){
	alert('ahoj');
	document.getElementById('menuitem1-hoverovane').style.display = 'block';
	e = new Event(e);	mySlide1.slideIn();e.stop();
});
 
$('menuitem1-hoverovane').addEvent('mouseout', function(e){
	e = new Event(e);mySlide1.slideOut();e.stop();
});*/

	repis = Array();
						
	repis[0] = new Image();
	repis[0].src = '/images/repis.jpg';
	repis[1] = new Image();
	repis[1].src = '/images/repis-over.jpg';
	
	function change_repis(st) {			
		$('REPIS').src = repis[st].src;	
	}