function openSub(id){
	var videz = (document.getElementById(id).style.display == "block") ? 'none' : 'block';
	document.getElementById(id).style.display = videz;
}

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

function checkSub(id){
	var show = (document.getElementById(id).style.display == 'block') ? 'none' : 'block';
	document.getElementById(id).style.display = show;
	
	if (navigator.userAgent.indexOf('Opera') > -1) {
		document.getElementById('check_' + id).checked = (show == 'block');
	} else {
		document.getElementById('check_' + id).checked = (show == 'none');
	}

	document.getElementById('posredovanje').style.display = (document.getElementById('stanovanje').style.display == 'block' || document.getElementById('hisa').style.display == 'block' || document.getElementById('poslovni').style.display == 'block' || document.getElementById('zemljisce').style.display == 'block') ? 'block' : 'none';
	
	if (typeof document.body.style.maxHeight == "undefined"){
		document.getElementById('footer').style.top = document.getElementById('iskalnik').offsetHeight + 445 + 'px';
	}
}