//	Original YUI-based accordion code from http://www.hedgerwow.com/360/mwd/accordion/demo.php
//	
//	Please note that in both js/accordion-menu-v2.js and the accompanying CSS classes,  
//	all instances of 	"accordion-menu"  	have been changed to  	"toc"
//	all instances of	"a-m-t" 			have been changed to 	"title"
//	all instances of	"a-m-d"				have been changed to	"excerpt".
// ----------------------------------------------------------------------------------------------

// popup windows

		function openRightsLink(contentURL) {
         window.open(contentURL,'','scrollbars=yes,menubar=no,width=700,height=550,resizable=yes,toolbar=no,location=no,status=no');
		}

      function openChapterPDF(contentURL) {
         window.location = contentURL;
      }

		
		function openRightsInfo(){
		window.open('http://rights.oreilly.com/','','scrollbars=yes,menubar=no,width=650,height=600,resizable=yes,toolbar=no,location=yes,status=yes');
		}

// tooltips
	

//		function showToolTip(){
//		document.getElementById('selectcontent').style.display='block';	
//		}
//		
//		function hideToolTip(){
//		document.getElementById('selectcontent').style.display='none';	
//		}

// ----------------------------------------------------------------------------------------------

function onMyMenuOpen(obj)
{		
	var dl = obj.dl;
	var dt = obj.dt;
	var dd = obj.dd;
	var d = document.getElementById('status');
	var r = document.getElementById('rightsbutton');
   var c;
   if ( document.getElementById('chapterbutton') ) {
      c = document.getElementById('chapterbutton');
   }
   var rightsId = 'r' + dt.id;
   var rightsLink = document.getElementById(rightsId).title;
   var chapterId = 'c' + dt.id;
   var chapterLink;
   if ( document.getElementById(chapterId) ) {
     chapterLink = document.getElementById(chapterId).title;
   }
   //d.className = 'debug';
	//d.innerHTML =  dt.id + ' is open' ;
	//document.getElementById('rightsbutton').src='http://www.oreillynet.com/images/button_rights.gif';
	document.getElementById('rightsbutton').style.cursor='pointer';
	if ( document.getElementById('chapterbutton') ) {
      document.getElementById('chapterbutton').style.cursor='pointer';
   }
   document.getElementById('selectcontent').style.display='none';
	r.onclick = function() {openRightsLink(rightsLink)}
   if ( c ) {
      if ( chapterLink ) {
         c.onclick = function() {openChapterPDF(chapterLink)}  
      }
      else {
         c.onclick = function() {alert('To continue the chapter pdf purchasing process,\nplease first select a chapter from the table of contents.')}
      }
   }
};

var rInit = document.getElementById('rightsbutton');
if (rInit) {    
        rInit.onclick = function() {alert('To continue the rights purchasing process,\nplease first select a chapter from the table of contents.')}
}

var cInit = document.getElementById('chapterbutton');
if (cInit) {
   cInit.onclick = function() {alert('To continue the chapter pdf purchasing process,\nplease first select a chapter from the table of contents.')}
}

function onMyMenuClose(obj)
{
	var dl = obj.dl;
	var dt = obj.dt;
	var dd = obj.dd;
	var d = document.getElementById('status');
	var r = document.getElementById('rightsbutton');
   var c;
   if ( document.getElementById('chapterbutton') ) {
      c = document.getElementById('chapterbutton');
   }
   //d.className = 'debug';
	//d.innerHTML = 'all closed';
	//document.getElementById('rightsbutton').src='img/button_rights_dis.gif';
	document.getElementById('rightsbutton').style.cursor='default';
	if ( document.getElementById('chapterbutton') ) {
      document.getElementById('chapterbutton').style.cursor='default';
   }
   r.onclick = function() {alert('To continue the rights purchasing process,\nplease first select a chapter from the table of contents.')}
   if ( c ) {
      c.onclick = function() {alert('To continue the chapter pdf purchasing process,\nplease first select a chapter from the table of contents.')}
   }
	//r.onmouseover = function() {showToolTip()};
	//r.onmouseout = function() {hideToolTip()};
	//d.innerHTML =  dt.id + ' is closed' ;
	//document.body.insertBefore( d , dl.nextSibling);
};

var oOptions=
{	
	/*all options are optional*/
	/* [ bool ] if dependent is false, then each menu open/close independently*/
	dependent:true,
	
	/* [function] callback when a menu is opened*/
	onOpen:onMyMenuOpen,
	
	/* [function] ccallback when a menu is closed*/
	onClose:onMyMenuClose,
	
	/* [array] cdefault ids of opened menues' <dt>*/
	openedIds:['div1','div3'],
	
	/* [number ] seconds for animations*/
	seconds:0.5,
	
	/*[ bool ] set true if the animation is to be played slower and slower and vise versa*/
	easeOut:true,
	
	/*[ bool ] set true if the animation is to be played*/
	animation:true
}




// ----------------------------------------------------------------------------------------------


var AccordionMenu = new function()
{
	var YUD = YAHOO.util.Dom;
	var YUE = YAHOO.util.Event;
	var oMenuSetting = {};
	var oMenuCache = {};
	var dLastHoverTitle ;
	YUD.addClass(document.documentElement,'accordion-menu-js');
	
	function getDT(e)
	{
		var dEl = e.srcElement || e.target;
			
		if(	(e.tagName + '').toUpperCase()=='DD' )
		{	
			var dt = e.previousSibling ;
			while(dt)
			{
				if(dt.tagName &&  dt.tagName.toUpperCase() == 'DT'){break;};
				dt = dt.previousSibling
			};
			
			if(!dt || dt.tagName.toUpperCase() != 'DT'){return;}
			else{return dt};
		}
		else if(e.clientX)
		{
			var found = false;
			while( dEl.parentNode)
			{
				if(YUD.hasClass(dEl,'title')){ found  = true ; break;};
				dEl = dEl.parentNode;
			};
			if(!found){return null}
			else{return dEl };	
		};		
	};
	
	
	
	function getDD(dt)
	{
		if(!dt){return null;};
		var dd = dt.nextSibling ;
	
		while(dd)
		{	
			if(dd.tagName && dd.tagName.toUpperCase() == 'DD'){break;};
			dd = dd.nextSibling;
			
		};
		if(!dd || dd.tagName.toUpperCase() != 'DD'){return;}
		else{return dd};
	};
	
	function expand(dl,dt,dd)
	{
		dl.hasAnimation +=1;
		YUD.addClass(dd,'excerpt-before-expand');		
		var oAttr = {height:{from:0,to:dd.offsetHeight }};
		
		YUD.removeClass(dd,'excerpt-before-expand');
		
		var onComplete = function()
		{	
			oAnim.onComplete.unsubscribe(onComplete);
			oAnim.stop();
			YUD.removeClass(dd,'excerpt-anim');
			YUD.addClass(dd,'excerpt-expand');
			onComplete = null;	
			dl.hasAnimation -=1;
			var dt = getDT(dd);	
		//	YUD.addClass(dt,'title-expand');          
			if( oMenuCache[ dl.id ] &&  oMenuCache[ dl.id ].onOpen && dd.style.height!='' )
			{	
				oMenuCache[ dl.id ].onOpen(	 {dl:dl,dt:dt,dd:dd} );								
			};	
			dd.style.height = '';
		
		};
		
		var onTween = function()
		{
			if(dd.style.height)
			{	
				YUD.addClass(dd,'excerpt-anim');				
				oAnim.onTween.unsubscribe(onTween);
				onTween = null;
				dd.oAnim = null;
			};
			
		};
		
		if(dd.oAnim)
		{
			dd.oAnim.stop();
			dd.oAnim = null;
			dl.hasAnimation -=1;	
		};
		var oEaseType = YAHOO.util.Easing.easeOut;
		var seconds = 0.7;
		if(oMenuCache[ dl.id ] )
		{
			oEaseType = oMenuCache[ dl.id ]['easeOut']?oEaseType:YAHOO.util.Easing.easeIn;
			seconds =  oMenuCache[ dl.id ]['seconds'];
			
			if( !oMenuCache[ dl.id ]['animation'] )
			{
				var oAnim = {onComplete:{unsubscribe:function(){}},stop:function(){}};
				onComplete();
				return;
			};
		};
		
		
		var oAnim = new YAHOO.util.Anim(dd,oAttr,seconds ,oEaseType);
		oAnim.onComplete.subscribe(onComplete);	
		oAnim.onTween.subscribe(onTween);
		oAnim.animate();
		dd.oAnim = oAnim ;
	
	};
	
	function collapse(dl,dt,dd)
	{
		dl.hasAnimation +=1;
		YUD.addClass(dd,'excerpt-anim');
		var oAttr = {height:{from:dd.offsetHeight,to:0}};
		
		
		var onComplete = function()
		{
			oAnim.onComplete.unsubscribe(onComplete);
			YUD.removeClass(dd,'excerpt-anim');
			YUD.removeClass(dd,'excerpt-expand');
			dd.style.height = '';
			dd.oAnim = null;
			onComplete = null;	
			dl.hasAnimation -=1;	
			var dt = getDT(dd);	
			YUD.removeClass(dt,'title-expand');	
			if( oMenuCache[ dl.id ] &&  oMenuCache[ dl.id ].onOpen )
			{				
				oMenuCache[ dl.id ].onClose(	 {dl:dl,dt:dt,dd:dd} );
			};			
			
		};
		
		if(dd.oAnim)
		{
			dd.oAnim.stop();
			dd.oAnim = null;
			dl.hasAnimation -=1;	
		};
		
		var oEaseType = YAHOO.util.Easing.easeOut;
		var seconds = 0.5;
		if(oMenuCache[ dl.id ] )
		{
			oEaseType = oMenuCache[ dl.id ]['easeOut']?oEaseType:YAHOO.util.Easing.easeIn;
			seconds =  oMenuCache[ dl.id ]['seconds'];
			if( !oMenuCache[ dl.id ]['animation'] )
			{
				var oAnim = {onComplete:{unsubscribe:function(){}},stop:function(){}};
				onComplete();
				return;
			};	
		};
		
		var oAnim = new YAHOO.util.Anim(dd,oAttr,seconds ,oEaseType);	
		oAnim.onComplete.subscribe(onComplete);	
		oAnim.animate();
		dd.oAnim = oAnim ;
	};
	
	function collapseAll(dl,dt,dd)
	{
		var aOtherDD = YUD.getElementsByClassName('excerpt-expand','dd',dl);
		for(var i=0;i<aOtherDD.length;i++)
		{
			var otherDD = aOtherDD[i] ;
			if( otherDD !=dd )
			{
				collapse(dl,null,otherDD);
			};				
		};
	}
	
	
	var onMenuMouseover = function(e)
	{
		var dMenuTitle = getDT(e);
		if(!dMenuTitle){return;};
		if(dLastHoverTitle)
		{
			YUD.removeClass(dLastHoverTitle,'title-hover');
		};		
		YUD.addClass(dMenuTitle,'title-hover');
		dLastHoverTitle = dMenuTitle ;
		YUE.stopEvent(e);
		return false;		
	};
	
	var onMenuMouseout = function(e)
	{
		var dMenuTitle = getDT(e);
		if(!dMenuTitle){return;};
		if(dLastHoverTitle && dLastHoverTitle!=dMenuTitle)
		{
			YUD.removeClass(dLastHoverTitle,'title-hover');
			YUD.removeClass(dLastHoverTitle,'title-down');
		};	
		YUD.removeClass(dMenuTitle,'title-down');	
		YUD.removeClass(dMenuTitle,'title-hover');
		dLastHoverTitle = null ;
		YUE.stopEvent(e);
		return false;		
	};
	
	var onMenuMousedown = function(e)
	{
	//	var dMenuTitle = getDT(e);
	//	if(!dMenuTitle){return;};			
	//	YUD.addClass(dMenuTitle,'title-down');
	//	YUE.stopEvent(e);   // this line (in particular) is commented out to fix problem with the page's search box in Firefox.
		return false;	
	};
	
	var onMenuClick = function(e)
	{
		var dt = getDT(e);
		if(!dt){return;};
		var dd = getDD(dt);
		YUD.addClass(dt,'title-expand');  //added (line 73)
		
	
		
		if(!dd){return;};
		var dl = dt.parentNode;
		
		if(dl.hasAnimation==null)
		{
			dl.hasAnimation = 0;
		}	
		if(dl.hasAnimation > 0 ){return;};
		YUD.removeClass(dt,'title-down');
		
		if(YUD.hasClass(dd,'excerpt-expand'))
		{	
			collapse(dl,dt,dd);
		}
		else
		{			
			if( oMenuCache[ dl.id ] &&  oMenuCache[ dl.id ].dependent == false ){}
			else{collapseAll(dl,dt,dd);}
			expand(dl,dt,dd);
		};		
		YUE.stopEvent(e);
		return false;
	};
	
	
	YUE.addListener( document,'mouseover',onMenuMouseover);
	YUE.addListener( document,'mouseout',onMenuMouseout);
	YUE.addListener( document,'mousedown',onMenuMousedown);
	YUE.addListener( document,'click',onMenuClick);
	
	this.openDtById = function(sId)
	{
		var dt = document.getElementById(sId);
		if(!dt){return;};
		if(!YUD.hasClass(dt,'title')){return;};
		var dl = dt.parentNode;
		var dd = getDD(dt);
		if(dl.hasAnimation==null){dl.hasAnimation = 0;};
		
		if(dl.hasAnimation > 0 ){return;};
		if(YUD.hasClass(dd,'excerpt-expand')){return;};
		if( oMenuCache[ dl.id ] &&  oMenuCache[ dl.id ].dependent == false ){}
		else{collapseAll(dl,dt,dd);}
		expand(dl,dt,dd);
		YUD.addClass(dt,'title-expand');
	};
	
	this.closeDtById = function(sId)
	{
		var dt = document.getElementById(sId);
		if(!dt){return;};
		if(!YUD.hasClass(dt,'title')){return;};
		var dl = dt.parentNode;
		var dd = getDD(dt);
		if(dl.hasAnimation==null){dl.hasAnimation = 0;};
		if(dl.hasAnimation > 0 ){return;};
		if(!YUD.hasClass(dd,'excerpt-expand')){return;};
		collapse(dl,dt,dd);
	};
	
	
	this.setting = function(id,oOptions)
	{	
		if( !oOptions ){return;};
	
		if( typeof(id)!='string' ){return;};
	
		var setMunu = function(dl)
		{	
			dl = dl || this;
			dl.hasAnimation = 0;
			oMenuCache[ dl.id ] = 
			{
				element:dl,
				dependent:true,
				onOpen:function(){},
				onClose:function(){},
				seconds:0.5,
				easeOut:true,
				openedIds:[],
				animation:true
			};
			oMenu =  oMenuCache[ dl.id ] ;
			
			if(typeof(oOptions['animation'])=='boolean')
			{
				oMenu['animation'] = !!oOptions['animation']; 
				
			};
			
			
			if(typeof(oOptions['dependent'])=='boolean')
			{
				oMenu['dependent'] = !!oOptions['dependent']; 
			};
			
			if(typeof(oOptions['easeOut'])=='boolean')
			{
				oMenu['easeOut'] = !!oOptions['easeOut']; 
			};
			
			if(typeof(oOptions['seconds'])=='number')
			{
				oMenu['seconds'] = Math.max(0 , oOptions['seconds'] ); 
			};
			
			if(typeof(oOptions['onOpen'])=='function')
			{
				oMenu['onOpen'] = oOptions['onOpen'];
			};
			
			if(typeof(oOptions['onClose'])=='function')
			{
				oMenu['onClose'] = oOptions['onClose'];
			};
		
			if(oOptions['openedIds'].shift)
			{
				oMenu['openedIds'] = oOptions['openedIds'];
			};
			
			
			for(var i=0;i<oMenu['openedIds'].length;i++)
			{
				var sId = oMenu['openedIds'][i];
				var dt = document.getElementById( sId  );
				
				if(dt && dt.tagName.toUpperCase() == 'DT')
				{
					var dl = dt.parentNode;
					var dd = getDD(dt);
					expand(dl,dt,dd);
				}
				else if(!dt)
				{
					function onDtAvailable()
					{
						var dt = this;
						if(dt.tagName.toUpperCase() == 'DT')
						{
							var dl = dt.parentNode;
							var dd = getDD(dt);
							expand(dl,dt,dd);
						};	
					};
					
					YUE.onAvailable(sId,onDtAvailable);
				}			
			};
			
			
		};
		
		if(document.getElementById(id))
		{
			setMunu(document.getElementById(id))
		}
		else
		{	
			YUE.onAvailable(id,setMunu);	
		};	
	};

};

var setting = new AccordionMenu.setting('toc',oOptions);