function zvyraznit(name)
 {
	if (document.getElementById) 
		
		name.style.visibility='visible';
}

function zpet(name)
{
	if (document.getElementById)
		
		name.style.visibility='hidden';		
}

function zvyraznitpevne(name)
 {
	if (document.getElementById) 
		
		prvnipevny.style.visibility='hidden';
		druhypevny.style.visibility='hidden';
		tretipevny.style.visibility='hidden';
		ctvrtypevny.style.visibility='hidden';
		patypevny.style.visibility='hidden';		
		name.style.visibility='visible';
}

function showMenu(name)
{
if (name=='0')
	{
	menu1.style.visibility='hidden';
	menu2.style.visibility='hidden';
	menu3.style.visibility='hidden';
	menu4.style.visibility='hidden';
	menu5.style.visibility='hidden';
	menu6.style.visibility='hidden';
	}
else
	{
	menu1.style.visibility='hidden';
	menu2.style.visibility='hidden';
	menu3.style.visibility='hidden';
	menu4.style.visibility='hidden';
	menu5.style.visibility='hidden';
	menu6.style.visibility='hidden';			
	name.style.visibility='visible';
	}
}


var oknoSirka, oknoVyska;
var MouseTop = 10; //default
var MouseLeft =10; //default
var topScroll = 0;   //default	
var BoxSirka = 260;

function move() {
	//se vola stale kdyz je kurzor v okne (je to udalost objektu window) 
	MouseLeft=window.event.x;MouseTop=window.event.y;		
}

function PosunBox(){
	var maxLeft;
	boxLeft = 20; //od kurzoru
	boxTop = 10;  //od kurzoru
	topScroll = document.body.scrollTop; //zatim na nic
	oknoSirka=document.body.clientWidth;
	oknoVyska=document.body.clientHeight;
	maxLeft = oknoSirka-BoxSirka-boxLeft-10 //tech 10 je zhruba sirka posuvniku
	if (MouseLeft>=maxLeft) 
		{	
			eval('star1.style.left=maxLeft');
			eval('star1.style.top=topScroll+MouseTop');
		}
	else
		{
			eval('star1.style.left=MouseLeft+boxLeft');
			eval('star1.style.top=topScroll+MouseTop');
		}
}
 
function odstavBox(){ //musime odstavovat, jiank nam prekryva tabulku a neaktivuje se udalost onmouseover
	eval('star1.style.left=0');
	eval('star1.style.top=0');
}
 
function showInfo(Message){
		PosunBox(); //nejprve posunem box				
		//{document.forms[0].elements[0].value=Message;}
		//{document.forms[0].elements[0].style.visibility='visible';}

}
function hideInfo(){
	odstavBox(); // odstavime na nulu 
	{document.forms[0].elements[0].value='';}	
	{document.forms[0].elements[0].style.visibility='hidden';}
}