function Ukaz(obj)
{
    var mujObj;
    var mujOver;
    //clearTimeout(popTimer);
    // Pro NN 4+
    if (document.layers)
    {
        document.layers[obj].visibility = "show";
    }

    // Pro IE 4
    if (document.all && !document.getElementById) document.all[obj].style.visibility = "visible";

    // Pro NN 6+, IE 5+, Mozillu 1.2+, Operu 7+
    if (document.getElementById) {
        mujObj=document.getElementById(obj);
        mujOver=document.getElementById(obj+'overlay');
        mujObj.style.visibility = "visible";
        if(mujObj.style.pixelTop){     //JEN PRO IE
            if( typeof(mujObj.style.zIndex)!='string' ) {  // jen IE, eliminuju operu!!!
                mujOver.style.pixelTop = mujObj.offsetTop; //parseInt(document.getElementById(obj).style.pixelTop + 1) ;
                mujOver.style.pixelLeft = mujObj.offsetLeft; //document.getElementById(obj).style.pixelLeft;
                mujOver.style.pixelWidth = mujObj.offsetWidth; //document.getElementById(obj).style.pixelWidth;
                mujOver.style.pixelHeight = mujObj.offsetHeight; //document.getElementById(obj).style.pixelHeight;

                //alert( mujObj.style.pixelTop+' '+mujObj.offsetTop+ ' - '+ mujObj.style.pixelLeft+' '+mujObj.offsetLeft+ ' - '+ mujObj.offsetHeight+ ' - '+mujObj.offsetWidth );
                //SetVisibility('overl', 1);
                mujOver.style.display='' ;
            }
        }
    }
}
function Schovej(obj)
{
    if (document.layers)
    {
        document.layers[obj].visibility = "hide";
    }
    if (document.all && !document.getElementById) document.all[obj].style.visibility = "hidden";

    if (document.getElementById) {
      document.getElementById(obj).style.visibility = "hidden";

      document.getElementById(obj+'overlay').style.display='none' ;

    }
}
function SchovejCasovac(obj)
{
      //alert('schovat! '+obj);
      popTimer = setTimeout('SchovejReal(\''+obj+'\')', 500);
      //SchovejReal(obj);
}

function Ukaz3(obj, co, where, dx, dy)
{
  var c=new Object();
  c.x=obj.offsetLeft;
  c.y=obj.offsetTop;

  if ( where==1 )
    c.x += obj.offsetWidth;
  else if ( where==2 ) {
    c.x += obj.offsetWidth;
    c.y += obj.offsetHeight;
  } else if ( where==3 )
    c.y += obj.offsetHeight;

  while ((obj=obj.offsetParent) != null) { if (obj.id!='wrapper'){c.x += obj.offsetLeft; c.y += obj.offsetTop;}}
  //alert("XXX = "+c.x+" , YYY = "+c.y);
    if (document.getElementById) {
        
        var o = document.getElementById(co);
        if (o.style) {
            o.style.left = c.x+dx+'px';
            //alert( '['+o.style.pixelTop+'] '+typeof( o.style.zIndex)+'='+o.style.zIndex + ' ll '+typeof( o.style.top)+'='+o.style.top );
            //if(typeof(o.style.pixelTop)=='number' && typeof( o.style.zIndex)=='string'  ) { //jen opera
            //     o.style.top = c.y+dy-4+'px';  //jen opera
            //} else
            o.style.top = c.y+dy+'px';
        }
    }

  Ukaz(co);
}