function rozbal_zbal(id)
{
if (document.getElementById('oznam'+id+'text').style.display=='none')
{
	if(/MSIE/.test(navigator.userAgent))
	{
		document.getElementById('oznam'+id+'text').style.display='block';
	}
	else
	{
		Effect.DefaultOptions.duration=0.5;
		Effect.DefaultOptions.fps=15;
		Effect.BlindDown('oznam'+id+'text');
	}
} else {
	if(/MSIE/.test(navigator.userAgent))
	{
		document.getElementById('oznam'+id+'text').style.display='none';
	}
	else
	{
		Effect.DefaultOptions.duration=0.5;
		Effect.DefaultOptions.fps=15;
		Effect.BlindUp('oznam'+id+'text');
		}
	}
}

function strana(newhodnota)
{
	if (window.location.search.indexOf('str')==-1)
	{
		window.location.search+='&str='+newhodnota;
	} else {
		window.location.search=str_replace(window.location.search,'str='+getvar('str'),'str='+newhodnota);
	}
}

function prepni(elm,obr,expand,collapse)
{
	if (elm.style.display=='none')
	{
		// rozbalujeme
		//elm.style.display='block';
		if(/MSIE/.test(navigator.userAgent))
		{
			elm.style.display='block';
		} else {
			Effect.DefaultOptions.duration=0.5;
			Effect.DefaultOptions.fps=15;
			Effect.BlindDown(elm);
		}
		obr.alt=collapse;
		obr.title=collapse;
		obr.src='./images/collapse.gif';
	} else {
		// zbalujeme
		//elm.style.display='none';
		if(/MSIE/.test(navigator.userAgent))
		{
			elm.style.display='none';
		} else {
			Effect.DefaultOptions.duration=0.5;
			Effect.DefaultOptions.fps=15;
			Effect.BlindUp(elm);
		}
		obr.alt=expand;
		obr.title=expand;
		obr.src='./images/expand.gif';
	}
}

window.onload=function()
{
	if (window.location.hash.indexOf('#')!=-1)
		if (isnumber(window.location.hash.charAt(window.location.hash.indexOf('#')+1)))
			document.getElementById('oznam'+window.location.hash.substring(window.location.hash.indexOf('#')+1,window.location.hash.length)+'text').style.display='block';
}