function foto(foto,sirka,vyska)
        {
    iMyWidth = (window.screen.width/2) - (sirka /2);
iMyHeight = (window.screen.height/2) - (vyska /2) ;   	
        	
        	
    var win =      window.open("/fotka/"+foto+"/","foto"+foto+"","left="+iMyWidth+",top="+iMyHeight+",width="+sirka+",height="+vyska+",menubar=no,directories=no,"+
  "toolbar=no,location=no,status=no,scrollbars=no,resizable=yes");

 if(win) return false;
 else return true;
        }