var is_ie = navigator.appName == 'Microsoft Internet Explorer';
var is_op = navigator.appName == 'Opera' ? true : false;
var is_ns = !is_ie && !is_op ? true : false;

//simple class for point
function Point(x, y)
{
	this.x		= x;
	this.y		= y;
}

//rectangle class for blocks like1st level menu item and 2nd level menu block
function rectangle()
{
  this.top		= 0;
  this.bottom	= 0;
  this.left		= 0;
  this.right	= 0;
  
  //class member - checks whether given point is in current rectangle
  this.IsPointIn = function (point)
  {
	var is_in_rectangle = true;
	if ((point.x > this.right + 5) || (point.x < this.left - 5) || (point.y > this.bottom + 5) || (point.y < this.top - 5))
	{
		is_in_rectangle = false;
	}
	
	return is_in_rectangle;
  }
}

//object instance for second level menu block
var m_block2 = new rectangle();
//object instance for first level menu item
var m_menuitem = new rectangle();

//triggers mose track in BODY.onmousemove event, when menu-block is hidden do not track mose move
var m_do_mouse_track = false;
//current opened 2nd level menu block id, to be closed in BODY.onmousemove event
var m_opened_id;

//fired onmousemove for BODY 
function bodymousemove(e)
{
	if (m_do_mouse_track)
	{
		if (!e) var e = window.event;

		var point = new Point(e.clientX, e.clientY);

		if (!m_menuitem.IsPointIn(point) && !m_block2.IsPointIn(point))
		{
			he(m_opened_id);
			he('frmMenu2');
			m_do_mouse_track = false;
		}
	}
}

function hl2l(elem)
{
	elem.className = "item2ndl_hl";
}
function unhl2l(elem)
{
	elem.className = "item2ndl";
}

//display 2ndlevel menu block
function d2l(menu_item_1stl, menu_block_2ndl_id)
{
	//before enabling new 2ndlevel menu disable the last opened
	he(m_opened_id);
	he('frmMenu2');
	
	//enable new 2ndlevel menu block
	se(menu_block_2ndl_id);
	
	//move 2nslevel menu block under the selcted 1st level menu item
	var menu_block_2ndl = document.getElementById(menu_block_2ndl_id);
	var frmMenu2 = document.getElementById('frmMenu2');
	if (menu_block_2ndl != null)
	{
		//get rectangle coordinates of 2ndlevel menu block
		m_block2.top = getAbsPos(menu_block_2ndl, "Top");
		m_block2.left = getAbsPos(menu_block_2ndl, "Left");
		m_block2.right = m_block2.left + menu_block_2ndl.offsetWidth;
		m_block2.bottom = m_block2.top + menu_block_2ndl.offsetHeight;
		
		var nLeft = getAbsPos(menu_item_1stl, "Left") - 7;
		var nTop = getAbsPos(menu_item_1stl, "Top") + menu_item_1stl.offsetHeight - 1;

		//menu_block_2ndl.style.left = getAbsPos(menu_item_1stl, "Left") - 7;
		//menu_block_2ndl.style.top = getAbsPos(menu_item_1stl, "Top") + menu_item_1stl.offsetHeight - 1;
		
		$("#" + menu_block_2ndl_id).css("left", nLeft + "px");
		$("#" + menu_block_2ndl_id).css("top", nTop + "px");
        
		frmMenu2.style.left = menu_block_2ndl.style.left;
		frmMenu2.style.top = menu_block_2ndl.style.top;
		frmMenu2.width = menu_block_2ndl.offsetWidth;
		frmMenu2.height = menu_block_2ndl.offsetHeight;
		frmMenu2.style.filter='progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)';
	
		he(menu_block_2ndl_id);
		se('frmMenu2')
		se(menu_block_2ndl_id);
	}

	//get rectangle coordinates of 1stlevel menu item
	m_menuitem.top = getAbsPos(menu_item_1stl, "Top");
	m_menuitem.left = getAbsPos(menu_item_1stl, "Left");
	m_menuitem.right = m_menuitem.left + menu_item_1stl.offsetWidth;
	m_menuitem.bottom = m_menuitem.top + menu_item_1stl.offsetHeight;
	
	m_do_mouse_track = true;
	m_opened_id = menu_block_2ndl_id;
}

//show elem
function se(id)
{
	she(id, true)
}

//hide elem
function he(id)
{
	she(id, false)
}

//internal function for show/hide
function she(id, blnShow)
{
	var elem = document.getElementById(id);
	
	if (elem != null)
	{
		elem.style.display = blnShow?'block':'none';
	}
}

function getAbsPos(o, p)
{
	var i = 0;
	while (o != null)
	{
		i += o["offset"+p];
		o = o.offsetParent;
	}
	return i;
}

function displayTab(this_elem_id, tab_id)
{
	var this_elem = document.getElementById(this_elem_id);
	var children = this_elem.parentNode.parentNode.childNodes;
	for (var i = 0; i < children.length; i ++)
	{
		for (var j = 0; j < children[i].childNodes.length; j ++)
		{	
			if (children[i].childNodes[j].tagName.toLowerCase() == 'div')
			{
				if (children[i].childNodes[j] == this_elem)
				{
					children[i].childNodes[j].className = '';
				}
				else if (children[i].childNodes[j].className != 'blnk_gr')
				{
					children[i].childNodes[j].className = 'blnk';
				}
			}
		}
	}
	var tabs = document.getElementById('tabs');
	if (tabs != null)
	{
		for (var i = 0; i < tabs.childNodes.length; i ++)
		{
			if (tabs.childNodes[i].id == tab_id)
			{
				tabs.childNodes[i].style.display = 'block';
			}
			else
			{
				tabs.childNodes[i].style.display = 'none';
			}
		}
	}
	
	var tabnoline = document.getElementById('tabnoline');
	var width = this_elem.parentNode.offsetWidth + 
		this_elem.parentNode.previousSibling.offsetWidth + 
		this_elem.parentNode.nextSibling.offsetWidth;
	tabnoline.style.width = width>4?width - 4:0;
	tabnoline.style.top = getAbsPos(this_elem.parentNode.previousSibling, "Top") + 
		this_elem.parentNode.previousSibling.offsetHeight - 1;
	tabnoline.style.left = getAbsPos(this_elem.parentNode.previousSibling, "Left") + 2;
	tabnoline.style.display = 'inline';
	tabnoline.style.position = 'absolute';
}

function wo(url, target, params)
{
	window.open(
		url, 
		target, 
		'location=0,menubar=0,titlebar=0,scrollbars=0,sstatus=0,toolbar=0' + (params!=''?',' + params:''));
}
function loadPdf(strPath)
{
	var frmD = document.getElementById('frmD');
	if (frmD != null)
	{
		frmD.style.display = 'block';
		frmD.src = "/deckplan.aspx?src=" + strPath;
	}
}

function hafen_change(elem_sel)
{
	for (var i = 0; i < elem_sel.options.length; i ++)
	{
		var div_hafen = document.getElementById("hafen_" + elem_sel[i].value);
		
		if (div_hafen != null)
		{
			div_hafen.style.display = "none";
		}
	}
	
	var div_hafen = document.getElementById("hafen_" + elem_sel[elem_sel.selectedIndex].value);
	if (div_hafen != null)
	{
		div_hafen.style.display = "block";
	}
}

function insurance_click(elem)
{
	if (elem.checked)
	{
		document.getElementById('cbReiseversicherung').style.display = '';
		document.getElementById('txtReiseversicherung').style.display = '';
	}
	else
	{
		document.getElementById('cbReiseversicherung').style.display = 'none';
		document.getElementById('txtReiseversicherung').style.display = 'none';
	}
}//
function IframeTransparentBG(elem_id)
{
	var elem = document.getElementById(elem_id);
	var ifrm = document.getElementById('frmRooms');

	if (elem == null) return;
	
	if (ifrm == null)
	{
		var ifrm = document.createElement("IFRAME");
			ifrm.id = 'frmRooms';
		document.body.appendChild(ifrm);
		$('#frmRooms').attr('frameborder', '0');
		$('#frmRooms').attr('src', '/i/x.gif');
		ifrm.style.zIndex	= '9999';
		ifrm.style.position = 'absolute';
		ifrm.style.filter='progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)';
	}
	
	ifrm.style.display = 'none';

	ifrm.style.left		= elem.style.left;
	ifrm.style.top		= elem.style.top;
	ifrm.style.width	= elem.style.width;
	ifrm.style.height	= elem.style.height;

	$('#frmRooms').hide();

	//$('#'+elem_id).hide();
	$('#frmRooms').show();
	//$('#'+elem_id).show();	
}//IframeTransparentBG
function openGS()
{
	var sWidth = "";
	if (is_ie)
	{
		sWidth = "684";
	}
	else
	{
		sWidth = "668";
	}
	
	window.open(
		'/Gewinnspiel.aspx', 
		'blank', 
		'localtion=0,menubar=0,resizable=0,titlebar=0,toolbar=0,width='+sWidth+'px,height=750px,scrollbars=1');
}
function appendRadio(elem, name, id, text, value, className)
{
	$(elem).append("<INPUT class="+className+" type=radio name="+name+" id="+id+" value='"+value+"'><label for='"+id+"'>"+text+"</label><br>");
}

function fBlock()
{
    $.blockUI({ message: $("#loadingRcclDiv").get(0) });
}
function openKatalog(theURL, name)
{
	var features = 'hotkeys=no,toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=yes,width=790,height=700';
	var newWindow = window.open(theURL, name, features);
	newWindow.focus();
}