/*

$RCSfile: ihtEventsUser.js,v $ 
$Author: john $  
$Date: 2000/12/19 19:47:22 $  
$Locker:  $ 
$Revision: 1.1 $ 

Warning!!
The event bubbleing for show hide menus is a hack to work around
Mozilla and IE inconsistencies... this should be coded better..

summary
- - - - -


methods
- - - - - - -


*/
var allEvents = new Array()
var activeMenu = null; //defines which menu is currently open


function eventSummary(t,state)
	{
	obj = document.getElementById("a"+t);
	obj = obj.nextSibling;
	color = "#666666"
	if (state == 1) color="#000000"
	obj.style.color = color;	
	}

var activeSection = "Default";
	
function eventShowSection(t)
	//turns on the visibiliy for a subscection,
	//access through the table of contents at the top of a section page
	{
	if (activeSection != null) 
		{

		document.getElementById("section"+activeSection).style.display = "none";
		if (document.getElementById("index"+activeSection))
			{
			document.getElementById("index"+activeSection).style.color = "#3360BB";
			document.getElementById("index"+activeSection).style.fontWeight = "normal";
			}
		}

	activeSection = t;
	document.getElementById("section"+activeSection).style.display = "block";
	if (document.getElementById("index"+activeSection))
	{
		document.getElementById("index"+activeSection).style.color = "#FF6600";
		document.getElementById("index"+activeSection).style.fontWeight = "bold";
	}
	}


function findChild(t, child)
	//returns the child child object as defined by child of t
	{
	target = null;
	
	for (i=0; i < t.childNodes.length; i++)
		{
		if (t.childNodes[i].id == child) 
			{
			target = t.childNodes[i]
			i = t.childNodes.length;
			}
		}
		return target;
	}

function eventShowHeadlines(t)
	//toggles the display for headlines of page sub sections
	{
	t = document.getElementById(t)
	obj = findChild(t,"featureTD");
	obj = findChild(obj,"featureHd");
	if (obj.style.display == "block") obj.style.display = "none";
	else obj.style.display = "block"
	}

function eventShowAllHeadlines()
	{
	//active = document.getElementById("sectionHeadlines")
	t = document.getElementsByName("featureHd");
	if(t.length > 0)
		{
		for (j=0; j < t.length; j++) t[j].style.display = "block";
		}
	else { //this is a hack, and possibly slow bu IE5mac and NS6 do not return a length on Object collections
	 	d = document.getElementsByTagName("DIV")
  		{
		for (i=0; i < d.length; i++) if (d[i].id == "featureHd") d[i].style.display = "block"
		}
		}		
	}	
	

function eventShowAllSubHeadlines()
	{
	//active = document.getElementById("sectionHeadlines")
	 	d = document.getElementsByTagName("DIV")
  		
		for (i=0; i < d.length; i++) if (d[i].id.substring(0,3) == "sub") 
			{
			d[i].style.display = "block";
			obj = document.getElementById(d[i].id+"img")
			obj.src = "/images/icon/selectedD.gif"
			}
	}	
	
function menuOver()
	{
	document.onclick = null;
	if (document.all) event.cancelBubble=true
	}

function menuOut()
	{
	document.onclick = eventHideMenu;
	if (document.all) event.cancelBubble=true
	}

function eventShowPopUp(target)
	//this will display info pop ups, for example art event details
	
	{
	if (activeMenu != null) eventHideMenu()
	activeMenu = target;
	obj = document.getElementById(activeMenu)
	obj.style.display = "block"
	if (event) event.cancelBubble=true
	}
	
function eventShowArtPopUp(target)
	//this will display info pop ups, for example art event details
	
	{
	
	if (activeMenu != null) eventHideMenu()
	activeMenu = target;
	obj = document.getElementById(activeMenu)
	obj.style.display = "block"
	obj.style.visibility = "visible"

	obj.style.top = -20+mouseY+ihtScreen.scrollTop()+"px"
	if (event) event.cancelBubble=true
	}
	
function eventHelp()
	{
	document.location = "/help.html";
	}

function eventShowMenu(e)
	//turns on the display for nav menus
	{
	if (activeMenu != null) eventHideMenu()
	activeMenu = "menu"+this.id.substring(3,this.id.length)
	obj = document.getElementById(activeMenu)
	if (obj) obj.style.visibility = "visible"
	if (document.all) document.onclick = eventHideMenu;
	event.cancelBubble=true
	
	}
	
function eventHideMenu()
	//hides nav menus and pop ups
	{
	document.onclick = null;
	if (activeMenu != null) 
		{
		obj = document.getElementById(activeMenu)
		obj.style.visibility = "hidden"
		}
	}

menus = new Array("Search","Sections","Regions","Clippings")


function eventToggleDisplay(inObj)
	//adjusts the style.display property of the obj with id defined by inObj
	{
	obj = document.getElementById(inObj)
	if (obj)
		{
		vis = 'block'
		if (obj.style.display == 'block') vis = 'none'
		obj.style.display=vis;
		}
	
	obj = document.getElementById(inObj+"img")
	if (obj)
		{
		
		if (vis == 'block') obj.src = "/images/icon/selectedD.gif"
		else obj.src = "/images/icon/selected.gif"
		}
	}

	
function eventToggleVis(inObj)
	//adjusts the style.visibility property of the obj with id defined by inObj
	{
	obj = document.getElementById(inObj)
	if (obj)
		{
		vis = 'visible'
		if (obj.style.visibility == 'visible') vis = 'hidden'
		obj.style.visibility=vis;
		}
	}	
	
function userEventsInit()
	{
	//nav events
		for (i=0; i < menus.length; i++)
		{
		obj = document.getElementById("nav"+menus[i])
		obj.onclick = eventShowMenu;
		
		obj = document.getElementById("menu"+menus[i])
		obj.onmouseover = menuOver;
		obj.onmouseout = menuOut;
		}
		
		obj = document.getElementById("navClippingsCounter")
		obj.onclick = eventShowNextClipping; //in ihtClippings.js
		
		obj = document.getElementById("navHelp")
		obj.onclick = eventHelp; //in ihtClippings.js
	
	/*
	i=0;
	allEvents[i++] = eventNavSections = new eventObject("Sections",showMenu,eventStatus,eventStatusClear,"Click for Topics and Sections")
	allEvents[i++] = eventNavRegions = new eventObject("Regions",showMenu,eventStatus,eventStatusClear,"Click for Regions and Global Locals")
	allEvents[i++] = eventNavClippings = new eventObject("Clippings",showMenu,eventStatus,eventStatusClear,"Click for Clippings Menu")
	allEvents[i++] = eventNavClippingsCounter = new eventObject("ClippingsCounter",nextClipping,eventStatus,eventStatusClear,"Click for next Clipping in Queue")
	allEvents[i++] = eventNavHelp = new eventObject("Help",showHelp,eventStatus,eventStatusClear,"Load Help")
	allEvents[i++] = eventNavLogo = new eventObject("Logo",goHome,eventStatus,eventStatusClear,"Go To Front Page")
	allEvents[i++] = eventNavSearch = new eventObject("Search",showMenu,eventStatus,eventStatusClear,"Search and Archive")
	*/
	/*
 */
	
	}