var myTWin = window.myTWin;
    
function OpenMyWin(link,winName)
  {
var retValue=true;
if (myTWin!=null && !myTWin.closed)
  {
   myTWin.focus();
   myTWin.location.href=link.href;
   }
else
   {
myTWin=window.open(link.href,winName , '');
if (myTWin==null || typeof(myTWin)=="undefined")
retValue=false;
else
   {
   link.target=winName;
   myTWin.focus();
   }
   }
return retValue;
    }
	
function addEvent(obj, event, funct) {  
if (obj.attachEvent) { //IE  
    obj['e' + event + funct] = funct;  
	obj['x' + event + funct] = function() { obj['e' + event + funct](window.event); }  
    obj.attachEvent('on' + event, obj['x' + event + funct]);  
  } else // other browser  
     obj.addEventListener(event, funct, false);  
}

function removeEvent(obj, event, funct) {  
if (obj.detachEvent) { // IE  
	obj.detachEvent('on' + event, obj[event + funct]);  
    obj['x' + event + funct] = null;  
  } else // other browser  
     obj.removeEventListener(event, funct, false );  
}

/* volani
addEvent(objekt,"mouseover",fce);
removeEvent(objekt,"mouseout",fce);
*/

function pres(id,z,k)
{
	c=10;
	o=3;
	x=z;
	if (z>k) { zajed(id,x,k,c,o); }
	else if (z<k) { vyjed(id,x,k,c,o); }
	else {  }
}

function vyjed(id,x,k,c,o)
{
	if (x<=k)
	{
	document.getElementById(id).style.bottom=x+"px"; x=o+x;
	window.setTimeout("vyjed('"+id+"',"+x+","+k+","+c+","+o+");",c);
	}
}

function zajed(id,x,k,c,o)
{
	if (x>=k)
	{
	document.getElementById(id).style.bottom=x+"px"; x=o-x;
	window.setTimeout("zajed('"+id+"',"+x+","+k+","+c+","+o+");",c);
	}
}