link = 'http://' + window.location.host;

function goto(link){
	window.location.href = 'http://'+ window.location.host + link;
}

function option(id){
	if(document.getElementById(id).style.display == 'none') document.getElementById(id).style.display='block'; 
	else document.getElementById(id).style.display='none';
}

function chowaj(id){
	document.getElementById(id).style.display='none';
}

function pokaz(id){
	document.getElementById(id).style.display='block';
}