function SkryjZobraz(id)
    {
       var prvek;
     
       if (prvek = document.getElementById(id)){
          
           if (prvek.style.display=="none"){ 	
    	     prvek.style.display="block";
    	     }
       else {     
          prvek.style.display="none";
          } 
      }   
	 }



function nahled(path) {
  window.open(path, '_blank', 'left=400, top=100, width=500, height=350, resizable=1');
}



function winopen(path)
  {
  window.open(path, '_blank', 'left=400, top=100, width=610, height=500, resizable=1, scrollbars=1');
  }

function win750open(path)
{
  //alert(path);
  window.open(path, '_blank', 'left=100, top=100, width=750, height=500, resizable=1, scrollbars=1');
}

function hideShow(a)
{
  //alert(document.getElementById(a).className);
  if(document.getElementById(a).className == "skryty") document.getElementById(a).className = "viditelny";
  else document.getElementById(a).className = "skryty";
  //alert(document.getElementById(a).className); 
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}