function zobraz(idecko,idecko2)
	{
	el=document.getElementById(idecko).style;
	el.display='inline';

	el2=document.getElementById(idecko2).style;
	el2.background='#0B2F53';
	}
	
function skryj(idecko,idecko2)
	{
	el=document.getElementById(idecko).style;
	el.display='none';
	

	
	el2=document.getElementById(idecko2).style;
	el2.background='#0D3A68';
	}
function browser ()
{
  var browser = '';
  browser = navigator.userAgent;
  //document.write(navigator.userAgent);
  
  $name = browser.split('/');
  
  //document.write (browser);
  if (browser.search('Firefox')> 0)
  {
    return 'firefox';
  }
  else if (browser.search('Opera')> 0)
  {
    return 'opera';
  }
  else if ($name[0] == 'Opera')
  {
    return 'opera';
  }
  else {
    return 'stupid';
  }
}

/* funkce pro zmizeni divu */
function odzmiz(idecko)
	{
	el=document.getElementById(idecko).style;
	el.display='inline';
	}
	
function zmiz(idecko)
	{
	el=document.getElementById(idecko).style;
	el.display='none';
	}