window.onload = function(e) {
  rozbal('loginform','sdolu','sdoprava');
  //rozbal('kamdal_obsah','sdolu','sdoprava');
}

function otevri(cesta) {
//return window.open(cesta,"auto","menubar=0,status=0,resizable=1");
	return window.open(cesta,"","toolbar=no,scrollbars=no,location=no,status=no,resizable=1");
}

function rozbal(co,class1,class2)
{
	var tmp;
	if(tmp=document.getElementById(co))
	{
		if (tmp.style.display=='none')
		{
			tmp.style.display='';
		}
		else
		{
			tmp.style.display='none';
		}
	}
	if(tmp=document.getElementById(co+'_rozb'))
	{
		if(tmp.className==class1)
		{
			tmp.className=class2;
		}
		else
		{
			tmp.className=class1;
		}
	}
}