if( document.images ) 
{
  im1a = new Image(94,31) ;
  im1a.src = "images/cz/but1.gif";
  im1b = new Image(94,31) ;
  im1b.src = "images/cz/but1a.gif"; 
  im2a = new Image(94,31) ;
  im2a.src = "images/cz/but2.gif";
  im2b = new Image(94,31) ;
  im2b.src = "images/cz/but2a.gif"; 
  im3a = new Image(94,31) ;
  im3a.src = "images/cz/but3.gif";
  im3b = new Image(94,31) ;
  im3b.src = "images/cz/but3a.gif"; 
  im4a = new Image(94,31) ;
  im4a.src = "images/cz/but4.gif";
  im4b = new Image(94,31) ;
  im4b.src = "images/cz/but4a.gif"; 
  im5a = new Image(94,31) ;
  im5a.src = "images/cz/but5.gif";
  im5b = new Image(94,31) ;
  im5b.src = "images/cz/but5a.gif"; 
}
function screenshot(url,w,h)
{
	var options = "left=0,top=10,width="+w+",height="+h+",toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,scrollbars=no";
	if (url != "") {
		win=window.open(url,"SCREENSHOT",options);
		if((win)&&(win.focus)) win.focus();
	}
}
function chkVer(imagename,objectsrc)
{
var n=navigator.appName
var v=parseInt(navigator.appVersion)
var browsok=((n=="Netscape")&&(v>=3))
var browsok2=((n=="Microsoft Internet Explorer")&&(v>=4))
if ((browsok)||(browsok2))
document.images[imagename].src=eval(objectsrc+".src")
}
function JavaMenuCSS(elemId) {
    if (document.getElementById(elemId)) {
      var navroot = document.getElementById(elemId);
      var lis=navroot.getElementsByTagName("LI");
      for (i=0; i<lis.length; i++) {
        for (j=0; j<lis[i].getElementsByTagName("UL").length; j++) {
          lis[i].onmouseover = function() {
            this.getElementsByTagName("UL")[j].style.visibility = 'visible';
          }
          lis[i].onmouseout = function() {
            this.getElementsByTagName("UL")[j].style.visibility = 'hidden';
          }
        }
      }
    }
  }

function ShowHide(oid)
{
  var oc=document.getElementById(oid+'c');
  var o=document.getElementById(oid);
  if( o ) 
  { 
    if(o.style.display=='block') 
    {
      o.style.display='none';
      if(oc) oc.innerHTML='Více »';
    }
    else 
    {
      o.style.display='block'; 
      if(oc) oc.innerHTML='Sbalit »';
    }
  }
}

function OnClickMENU1( e ) 
{ 
  ShowHide('emptyMENU1');
}
function OnClickMENU2( e ) 
{ 
  ShowHide('emptyMENU2');
}

function OnClickMENU3( e ) 
{ 
  ShowHide('emptyMENU3');
}
function OnClickMENU4( e ) 
{ 
  ShowHide('emptyMENU4');
}
function OnClickTI( e ) 
{ 
  ShowHide('emptyTI');
}

function OnClickNASTROJE( e ) 
{ 
  ShowHide('emptyNASTROJE');
}

function OnClickSTROJE( e ) 
{ 
  ShowHide('emptySTROJE');
}

function OnClickRIDICISYSTEMY( e ) 
{ 
  ShowHide('emptyRIDICISYSTEMY');
}