// JavaScript Document
function show_absztrakt(sh)
{
	if (sh == 1) document.getElementById('absztrakt_table').style.display = "block";
	if (sh == 0) document.getElementById('absztrakt_table').style.display = "none";
	
	}
	
function show_absztrakt_form(id)
{
	form_id = "absztrakt_form"+id;
	document.getElementById(form_id).style.display = "block";
	
	uj_id = "uj"+id;
	document.getElementById(uj_id).style.display = "block";
	
	cancel_id = "cancel_absztrakt"+id;
	document.getElementById(cancel_id).value = "0";
	}
	
	
function hide_absztrakt_form(id)
{
	form_id = "absztrakt_form"+id;
	document.getElementById(form_id).style.display = "none";
	
	uj_id = "uj"+id;
	document.getElementById(uj_id).style.display = "none";
	
	cancel_id = "cancel_absztrakt"+id;
	document.getElementById(cancel_id).value = "1";
	
	}
	
function szla_megoszt(valaszt)
{
	if (valaszt == 0)
	{
		document.getElementById('reg_account').style.display = 'none';
		document.getElementById('szallas_account').style.display = 'none';
		document.getElementById('egyeb_account').style.display = 'none';
		}
	}
	
function show_roommate(id)
{
	document.getElementById('single_roommate').style.display = "none";
	document.getElementById('double_roommate').style.display = "none";
	document.getElementById(id).style.display = "block";
	}
	
function hide_roommate()
{
	document.getElementById('single_roommate').style.display = "none";
	document.getElementById('double_roommate').style.display = "none";
	
	}

function hide_accomodation()
{
	if (document.getElementById('no_szallas').checked == true)
	{
		document.getElementById('hotels_table').style.display = "none";
		document.getElementById('reserve_table').style.display = "none";
	}
	else 
	{
		document.getElementById('hotels_table').style.display = "block";
		document.getElementById('reserve_table').style.display = "block"
		}
}

function window_open(url_address,window_width,window_height,framename,additional,is_picture) 
{
  sx = (screen.availWidth - window_width) / 2;
  sy = (screen.availHeight - window_height) / 2;
  params = "width="+window_width+",height="+window_height+",Left="+sx+",Top="+sy+",screenX="+sx+",screenY="+sy;
  if(additional>"") params += "," + additional;
  nw = window.open(url_address, framename, params);
  
  if(nw) {
	nw.focus();
	return nw;
  }
}