//IMPORTANT! This library assumes that the following libraries have been loaded by the calling page:
//	javascript_library.js
//	yui/build/yahoo/yahoo-min.js
//	yui/build/yahoo/dom-min.js
//	yui/build/yahoo/event-min.js
//	yui/build/yahoo/container-min.js

var m_HideAddToCalendarHoverTID = null;
var m_LoadAddToCalendarHoverTID = null;
var m_AddToCalendarHoverEventID;
var m_AddToCalendarHoverEncodedDate;
var m_AddToCalendarHoverAlign = 'tr';

YAHOO.namespace("container");

function YAHOOinitAddToCalendarHover() {
	YAHOO.container.AddToCalendarHover = 
		new YAHOO.widget.Panel("AddToCalendarHover", { visible:false,
			iframe:false,
			constraintoviewport:true,
			close:true,
			draggable:false,
			modal:false,
			underlay:"shadow",
			width:"250px"
		} );

	YAHOO.container.AddToCalendarHover.render();
}

YAHOO.util.Event.onDOMReady(YAHOOinitAddToCalendarHover);

function HideAddToCalendarHover()
{
	m_HideAddToCalendarHoverTID = setTimeout('YAHOO.container.AddToCalendarHover.hide();',700);
}

function LoadAddToCalendarHover(EventID, EncodedDate)
{
	var bIsVisible = YAHOO.container.AddToCalendarHover.cfg.getProperty('visible');
	
	if((EventID==m_AddToCalendarHoverEventID) && (EncodedDate == m_AddToCalendarHoverEncodedDate))
	{	//the id hasn't changed so we need only show the panel if it's hidden
		if(!bIsVisible) YAHOO.container.AddToCalendarHover.show();
		return false;
	}
	
	var ContainerBd = document.getElementById('AddToCalendarHoverBody');
	
	//only show "loading" if the panel isn't currently visible
	if(!bIsVisible) {
		ContainerBd.innerHTML = 'Loading... ';
		ShowAddToCalendarHover(EventID, EncodedDate);
	}
	
	var xmlhttp = null;
	if (window.XMLHttpRequest)
	{	//code for Mozilla, etc.
		xmlhttp = new XMLHttpRequest();
	} else if(window.ActiveXObject)
	{	//code for IE
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	}
	
	if(xmlhttp)
	{	//wire up the event to handle the response on successful load
		xmlhttp.onreadystatechange = function() {
			if(xmlhttp.readyState==4 && xmlhttp.status==200 && xmlhttp.responseText!='') {
				m_AddToCalendarHoverEventID = EventID;
				m_AddToCalendarHoverEncodedDate = EncodedDate;
				ContainerBd.innerHTML = xmlhttp.responseText;
				ShowAddToCalendarHover(EventID, EncodedDate);
			}
		}
		
		xmlhttp.open("GET",'/events/add_to_calendar.asp?id='+ EventID,true);
		xmlhttp.send(null);
	}
	
	return false;
}

function ShowAddToCalendarHover(EventID, EncodedDate)
{
	YAHOO.container.AddToCalendarHover.cfg.setProperty('context', ['AddToCalendarHoverLink_'+ EventID + '_' + EncodedDate,'tl',m_AddToCalendarHoverAlign]);
	//IE hack: underlay size does not change with panel size; resize it now
	if(document.all) YAHOO.container.AddToCalendarHover.sizeUnderlay();
	YAHOO.container.AddToCalendarHover.show();
}

function AddToCalendarHover_OnMouseOver()
{
	clearTimeout(m_HideAddToCalendarHoverTID);
	clearTimeout(m_LoadAddToCalendarHoverTID);
}

function AddToCalendarHoverLink_OnMouseOver(EventID, EncodedDate)
{
	clearTimeout(m_HideAddToCalendarHoverTID);
	clearTimeout(m_LoadAddToCalendarHoverTID);
	m_LoadAddToCalendarHoverTID = setTimeout(function(){LoadAddToCalendarHover(EventID, EncodedDate);},300);
}