function show(name,x,y)
{
  if (name!='')
  {
          if ((x==0) || (y==0))
          {
            x2=800; 
            y2=600;
          }else{  
    if (navigator.userAgent.indexOf("Opera")>=0)
    {
      x2=x+2;
      y2=y+5;
    }else{
      if (navigator.userAgent.indexOf("MSIE")>=0)
      {
        x2=x+20;
        y2=y+5; 
      }else{
        if (navigator.userAgent.indexOf("Firefox")>=0)
        {
          x2=x+4;
          y2=y+2;
        }else
        {
            x2=x+20;
            y2=y+20;        
        }
      
      }
    }
}
    noweokno=window.open('','Podgl±d','width='+x2+',height='+y2+'toolbar=no,menubar=no,location=no,resizable=yes,status=no,scrollbars=yes');
    noweokno.document.open();
    noweokno.document.write("<html><head><title>Podgl±d obrazka</title></head><body style='margin: 0px;'><a href='javascript: window.close()' style='color: white;' title='Klik zamyka okno'><img src=\""+name+"\"></a></body></html>")
    noweokno.document.close();
    noweokno.focus();
      return false;
    }
    return true;
}

