/* =================================================================================================
 * TransMenu 
 * March, 2003
 * Customizable multi-level animated DHTML menus with transparency.
 * =================================================================================================
 * "Can I use this?"
 * 
 * Use of this library is governed by the Creative Commons Attribution 2.0 License. You can check it 
 * out at: http://creativecommons.org/licenses/by/2.0/
 *
 * Basically: You may copy, distribute, and eat this code as you wish. But you must give me credit 
 * for writing it. You may not misrepresent yourself as the author of this code.
 * =================================================================================================
 * "It's kinda hard to read, though"
 *
 * The uncompressed, commented version of this script can be found at: 
 * http://youngpup.net/projects/transMenus
 * ============================================================================================== */


TransMenu.spacerGif="/img/x.gif";
TransMenu.dingbatOn="/img/submenu-on.gif";
TransMenu.dingbatOff="/img/submenu-off.gif";
TransMenu.dingbatSize=14;
TransMenu.menuPadding=5;
TransMenu.itemPadding=3;
TransMenu.shadowSize=2;
TransMenu.shadowOffset=3;
TransMenu.shadowColor="#888";
TransMenu.shadowPng="/img/grey-40.png";
TransMenu.backgroundColor="#d9def2";
TransMenu.backgroundPng="/img/white-90.png";
TransMenu.hideDelay=1000;
TransMenu.slideTime=500;
TransMenu.reference={topLeft:1,topRight:2,bottomLeft:3,bottomRight:4};
TransMenu.direction={down:1,right:2};
TransMenu.registry=[];
TransMenu._maxZ=100;

TransMenu.isSupported=function()
	{
		var ua=navigator.userAgent.toLowerCase();
		var pf=navigator.platform.toLowerCase();
		var an=navigator.appName;
		var r=false;
		if(ua.indexOf("gecko")>-1&&navigator.productSub>=20020605)r=true;
		else 
			if(an=="Microsoft Internet Explorer")
			{
				if(document.getElementById)
					{
						if(pf.indexOf("mac")==0)
							{
								r=/msie (\d(.\d*)?)/.test(ua)&&Number(RegExp.$1)>=5.1;
							}
						else
							r=true;
					}
			}
	return r;
	}

TransMenu.initialize=function()
	{
		for(var i=0,menu=null;menu=this.registry[i];i++)
		{
			menu.initialize();
		}
	}

TransMenu.renderAll=function()
	{
		var aMenuHtml=[];
		for(var i=0,menu=null;menu=this.registry[i];i++)
			{
				aMenuHtml[i]=menu.toString();
			}
		document.write(aMenuHtml.join(""));
	}

function TransMenu(oActuator,iDirection,iLeft,iTop,iReferencePoint,parentMenuSet)
	{
		this.addItem=addItem;
		this.addMenu=addMenu;
		this.toString=toString;
		this.initialize=initialize;
		this.isOpen=false;
		this.show=show;
		this.hide=hide;
		this.items=[];
		this.onactivate=new Function();
		this.ondeactivate=new Function();
		this.onmouseover=new Function();
		this.onqueue=new Function();
		this.ondequeue=new Function();
		this.index=TransMenu.registry.length;
		TransMenu.registry[this.index]=this;
		var id="TransMenu"+this.index;
		var contentHeight=null;
		var contentWidth=200;
		var childMenuSet=null;
		var animating=false;
		var childMenus=[];
		var slideAccel=-1;
		var elmCache=null;
		var ready=false;
		var _this=this;
		var a=null;
		var pos=iDirection==TransMenu.direction.down?"top":"left";
		var dim=null;

		function addItem(sText,sUrl)
			{
				var item=new TransMenuItem(sText,sUrl,this);
				item._index=this.items.length;
				this.items[item._index]=item;
			}

		function addMenu(oMenuItem)
			{
				if(!oMenuItem.parentMenu==this)
					throw new Error("Cannot add a menu here");
				if(childMenuSet==null)
					childMenuSet=new TransMenuSet(TransMenu.direction.right,-5,2,TransMenu.reference.topRight);
				var m=childMenuSet.addMenu(oMenuItem);
				childMenus[oMenuItem._index]=m;
				m.onmouseover=child_mouseover;
				m.ondeactivate=child_deactivate;
				m.onqueue=child_queue;
				m.ondequeue=child_dequeue;
				return m;
			}

		function initialize()
			{
				initCache();
				initEvents();
				initSize();
				ready=true;
			}

		function show()
			{
				if(ready)
					{
						_this.isOpen=true;
						animating=true;
						setContainerPos();
						elmCache["clip"].style.visibility="visible";
						elmCache["clip"].style.zIndex=TransMenu._maxZ++;
						slideStart();
						_this.onactivate();
					}
			}

		function hide()
			{
				if(ready)
					{
						_this.isOpen=false;
						animating=true;
						for(var i=0,item=null;item=elmCache.item[i];i++)
							dehighlight(item);
							if(childMenuSet)
								childMenuSet.hide();
							slideStart();
							_this.ondeactivate();
					}
			}

		function setContainerPos()
			{
				var sub=oActuator.constructor==TransMenuItem;
				var act=sub?oActuator.parentMenu.elmCache["item"][oActuator._index]:oActuator;
				var el=act;
				var x=0;
				var y=0;
				var minX=0;
				var maxX=(window.innerWidth?window.innerWidth:document.body.clientWidth)-parseInt(elmCache["clip"].style.width);
				var minY=0;
				var maxY=(window.innerHeight?window.innerHeight:document.body.clientHeight)-parseInt(elmCache["clip"].style.height);
				while(sub?el.parentNode.className.indexOf("transMenu")==-1:el.offsetParent)
					{
						x+=el.offsetLeft;y+=el.offsetTop;
						if(el.scrollLeft)
							x-=el.scrollLeft;
						if(el.scrollTop)
							y-=el.scrollTop;
						el=el.offsetParent;
					}
				if(oActuator.constructor==TransMenuItem)
					{
						x+=parseInt(el.parentNode.style.left);
						y+=parseInt(el.parentNode.style.top);
					}
				switch(iReferencePoint)
					{
						case TransMenu.reference.topLeft:break;
						case TransMenu.reference.topRight:x+=act.offsetWidth;
						break;
						case TransMenu.reference.bottomLeft:y+=act.offsetHeight;
						break;
						case TransMenu.reference.bottomRight:x+=act.offsetWidth;
						y+=act.offsetHeight;
						break;
					}
				x+=iLeft;
				y+=iTop;
				x=Math.max(Math.min(x,maxX),minX);
				y=Math.max(Math.min(y,maxY),minY);
				elmCache["clip"].style.left=x+"px";
				elmCache["clip"].style.top=y+"px";
			}

		function slideStart()
			{
				var x0=parseInt(elmCache["content"].style[pos]);
				var x1=_this.isOpen?0:-dim;
				if(a!=null)
					a.stop();
				a=new Accelimation(x0,x1,TransMenu.slideTime,slideAccel);
				a.onframe=slideFrame;
				a.onend=slideEnd;
				a.start();
			}

		function slideFrame(x)
			{
				elmCache["content"].style[pos]=x+"px";
			}

		function slideEnd()
			{
				if(!_this.isOpen)
					elmCache["clip"].style.visibility="hidden";
				animating=false;
			}

		function initSize()
			{
				var ow=elmCache["items"].offsetWidth;
				var oh=elmCache["items"].offsetHeight;
				var ua=navigator.userAgent.toLowerCase();
				elmCache["clip"].style.width=ow+TransMenu.shadowSize+2+"px";
				elmCache["clip"].style.height=oh+TransMenu.shadowSize+2+"px";
				elmCache["content"].style.width=ow+TransMenu.shadowSize+"px";
				elmCache["content"].style.height=oh+TransMenu.shadowSize+"px";
				contentHeight=oh+TransMenu.shadowSize;
				contentWidth=ow+TransMenu.shadowSize;
				dim=iDirection==TransMenu.direction.down?contentHeight:contentWidth;
				elmCache["content"].style[pos]=-dim-TransMenu.shadowSize+"px";
				elmCache["clip"].style.visibility="hidden";
				if(ua.indexOf("mac")==-1||ua.indexOf("gecko")>-1)
					{
						elmCache["background"].style.width=ow+"px";
						elmCache["background"].style.height=oh+"px";
						elmCache["background"].style.backgroundColor=TransMenu.backgroundColor;
						elmCache["shadowRight"].style.left=ow+"px";
						elmCache["shadowRight"].style.height=oh-(TransMenu.shadowOffset-TransMenu.shadowSize)+"px";
						elmCache["shadowRight"].style.backgroundColor=TransMenu.shadowColor;
						elmCache["shadowBottom"].style.top=oh+"px";
						elmCache["shadowBottom"].style.width=ow-TransMenu.shadowOffset+"px";
						elmCache["shadowBottom"].style.backgroundColor=TransMenu.shadowColor;
					}
				else
					{
						elmCache["background"].firstChild.src=TransMenu.backgroundPng;
						elmCache["background"].firstChild.width=ow;
						elmCache["background"].firstChild.height=oh;
						elmCache["shadowRight"].firstChild.src=TransMenu.shadowPng;
						elmCache["shadowRight"].style.left=ow+"px";
						elmCache["shadowRight"].firstChild.width=TransMenu.shadowSize;
						elmCache["shadowRight"].firstChild.height=oh-(TransMenu.shadowOffset-TransMenu.shadowSize);
						elmCache["shadowBottom"].firstChild.src=TransMenu.shadowPng;
						elmCache["shadowBottom"].style.top=oh+"px";
						elmCache["shadowBottom"].firstChild.height=TransMenu.shadowSize;
						elmCache["shadowBottom"].firstChild.width=ow-TransMenu.shadowOffset;
					}
			}

		function initCache()
			{
				var menu=document.getElementById(id);
				var all=menu.all?menu.all:menu.getElementsByTagName("*");
				elmCache={};
				elmCache["clip"]=menu;
				elmCache["item"]=[];
				for(var i=0,elm=null;elm=all[i];i++)
					{
						switch(elm.className)
							{
								case"items":case"content":case"background":case"shadowRight":case"shadowBottom":elmCache[elm.className]=elm;
								break;
								case"item":elm._index=elmCache["item"].length;elmCache["item"][elm._index]=elm;
								break;
							}
					}
				_this.elmCache=elmCache;
			}

		function initEvents()
			{
				for(var i=0,item=null;item=elmCache.item[i];i++)
					{
						item.onmouseover=item_mouseover;
						item.onmouseout=item_mouseout;
						item.onclick=item_click;
					}
				if(typeof oActuator.tagName!="undefined")
					{
						oActuator.onmouseover=actuator_mouseover;
						oActuator.onmouseout=actuator_mouseout;
					}
				elmCache["content"].onmouseover=content_mouseover;
				elmCache["content"].onmouseout=content_mouseout;
			}

		function highlight(oRow)
			{
				oRow.className="item hover";
				if(childMenus[oRow._index])
					oRow.lastChild.firstChild.src=TransMenu.dingbatOn;
			}

		function dehighlight(oRow)
			{
				oRow.className="item";
				if(childMenus[oRow._index])
					oRow.lastChild.firstChild.src=TransMenu.dingbatOff;
			}

		function item_mouseover()
			{
				if(!animating)
					{
						highlight(this);
						if(childMenus[this._index])
							childMenuSet.showMenu(childMenus[this._index]);
						else if(childMenuSet)
							childMenuSet.hide();
					}
			}

		function item_mouseout()
			{
				if(!animating)
					{
						if(childMenus[this._index])
							childMenuSet.hideMenu(childMenus[this._index]);
						else 
							dehighlight(this);
					}
			}

		function item_click()
			{
				if(!animating)
					{
						if(_this.items[this._index].url)
							location.href=_this.items[this._index].url;
					}
			}

		function actuator_mouseover()
			{
//				parentMenuSet.showMenu(_this);
				_this.mouseIsOver = true; //linha nova
				window.setTimeout(actuator_pause,200); //linha nova
			}

//FUNÇAO NOVA
		function actuator_pause()
			{
				if (_this.mouseIsOver == true)
					{
						parentMenuSet.showMenu(_this);
					}
			}
//FIM DA FUNÇAO			

		function actuator_mouseout()
			{
//				parentMenuSet.hideMenu(_this);
				_this.mouseIsOver = false;
				parentMenuSet.hideMenu(_this);
			}

		function content_mouseover()
			{
				if(!animating)
					{
						parentMenuSet.showMenu(_this);
						_this.onmouseover();
					}
			}

		function content_mouseout()
			{
				if(!animating)
					{
						parentMenuSet.hideMenu(_this);
					}
			}

		function child_mouseover()
			{
				if(!animating)
					{
						parentMenuSet.showMenu(_this);
					}
			}

		function child_deactivate()
			{
				for(var i=0;i<childMenus.length;i++)
					{
						if(childMenus[i]==this)
							{
								dehighlight(elmCache["item"][i]);
								break;
							}
					}
			}

		function child_queue()
			{
				parentMenuSet.hideMenu(_this);
			}

		function child_dequeue()
			{
				parentMenuSet.showMenu(_this);
			}

		function toString()
			{
				var aHtml=[];
				var sClassName="transMenu"+(oActuator.constructor!=TransMenuItem?" top":"");
				for(var i=0,item=null;item=this.items[i];i++)
					{
						aHtml[i]=item.toString(childMenus[i]);
					}
				return'<div id="'+id+'" class="'+sClassName+'">'+'<div class="content"><table class="items" cellpadding="0" cellspacing="0" border="0">'+'<tr><td colspan="2"><img src="'+TransMenu.spacerGif+'" width="1" height="'+TransMenu.menuPadding+'"></td></tr>'+aHtml.join('')+'<tr><td colspan="2"><img src="'+TransMenu.spacerGif+'" width="1" height="'+TransMenu.menuPadding+'"></td></tr></table>'+'<div class="shadowBottom"><img src="'+TransMenu.spacerGif+'" width="1" height="1"></div>'+'<div class="shadowRight"><img src="'+TransMenu.spacerGif+'" width="1" height="1"></div>'+'<div class="background"><img src="'+TransMenu.spacerGif+'" width="1" height="1"></div>'+'</div></div>';
			}
	}

TransMenuSet.registry=[];

function TransMenuSet(iDirection,iLeft,iTop,iReferencePoint)
	{
		this.addMenu=addMenu;
		this.showMenu=showMenu;
		this.hideMenu=hideMenu;
		this.hide=hide;
		this.hideCurrent=hideCurrent;
		var menus=[];
		var _this=this;
		var current=null;
		this.index=TransMenuSet.registry.length;
		TransMenuSet.registry[this.index]=this;
		function addMenu(oActuator)
			{
				var m=new TransMenu(oActuator,iDirection,iLeft,iTop,iReferencePoint,this);
				menus[menus.length]=m;
				return m;
			}
		function showMenu(oMenu)
			{
				if(oMenu!=current)
					{
						if(current!=null)
							hide(current);
						current=oMenu;
						oMenu.show();
					}
				else
					{
						cancelHide(oMenu);
					}
			}

		function hideMenu(oMenu)
			{
				if(current==oMenu&&oMenu.isOpen)
					{
						if(!oMenu.hideTimer)
							scheduleHide(oMenu);
					}
			}

		function scheduleHide(oMenu)
			{
				oMenu.onqueue();
				oMenu.hideTimer=window.setTimeout("TransMenuSet.registry["+_this.index+"].hide(TransMenu.registry["+oMenu.index+"])",TransMenu.hideDelay);
			}

		function cancelHide(oMenu)
			{
				if(oMenu.hideTimer)
					{
						oMenu.ondequeue();
						window.clearTimeout(oMenu.hideTimer);
						oMenu.hideTimer=null;
					}
			}

		function hide(oMenu)
			{
				if(!oMenu&&current)
					oMenu=current;
				if(oMenu&&current==oMenu&&oMenu.isOpen)
					{
						hideCurrent();
					}
			}

		function hideCurrent()
			{
				cancelHide(current);
				current.hideTimer=null;
				current.hide();
				current=null;
			}
	}

function TransMenuItem(sText,sUrl,oParent)
	{
		this.toString=toString;
		this.text=sText;
		this.url=sUrl;
		this.parentMenu=oParent;
		
		function toString(bDingbat)
			{
				var sDingbat=bDingbat?TransMenu.dingbatOff:TransMenu.spacerGif;
				var iEdgePadding=TransMenu.itemPadding+TransMenu.menuPadding;
				var sPaddingLeft="padding:"+TransMenu.itemPadding+"px; padding-left:"+iEdgePadding+"px;"
				var sPaddingRight="padding:"+TransMenu.itemPadding+"px; padding-right:"+iEdgePadding+"px;"
				return'<tr class="item"><td nowrap style="'+sPaddingLeft+'">'+sText+'</td><td width="14" style="'+sPaddingRight+'">'+'<img src="'+sDingbat+'" width="14" height="14"></td></tr>';
			}
	}

function Accelimation(from,to,time,zip)
	{
		if(typeof zip=="undefined")
			zip=0;
		if(typeof unit=="undefined")
			unit="px";

		this.x0=from;
		this.x1=to;
		this.dt=time;
		this.zip=-zip;
		this.unit=unit;
		this.timer=null;
		this.onend=new Function();
		this.onframe=new Function();
	}

Accelimation.prototype.start=function()
	{
		this.t0=new Date().getTime();
		this.t1=this.t0+this.dt;
		var dx=this.x1-this.x0;
		this.c1=this.x0+((1+this.zip)*dx/3);
		this.c2=this.x0+((2+this.zip)*dx/3);
		Accelimation._add(this);
	}

Accelimation.prototype.stop=function()
	{
		Accelimation._remove(this);
	}

Accelimation.prototype._paint=function(time)
	{
		if(time<this.t1)
			{
				var elapsed=time-this.t0;
				this.onframe(Accelimation._getBezier(elapsed/this.dt,this.x0,this.x1,this.c1,this.c2));
			}
		else 
			this._end();
	}

Accelimation.prototype._end=function()
	{
		Accelimation._remove(this);
		this.onframe(this.x1);
		this.onend();
	}

Accelimation._add=function(o)
	{
		var index=this.instances.length;
		this.instances[index]=o;
		if(this.instances.length==1)
			{
				this.timerID=window.setInterval("Accelimation._paintAll()",this.targetRes);
			}
	}

Accelimation._remove=function(o)
	{
		for(var i=0;i<this.instances.length;i++)
			{
				if(o==this.instances[i])
					{
						this.instances=this.instances.slice(0,i).concat(this.instances.slice(i+1));
						break;
					}
			}
		if(this.instances.length==0)
			{
				window.clearInterval(this.timerID);
				this.timerID=null;
			}
	}

Accelimation._paintAll=function()
	{
		var now=new Date().getTime();
		for(var i=0;i<this.instances.length;i++)
			{
				this.instances[i]._paint(now);
			}
	}

Accelimation._B1=function(t)
	{
		return t*t*t
	}

Accelimation._B2=function(t)
	{
		return 3*t*t*(1-t)
	}

Accelimation._B3=function(t)
	{
		return 3*t*(1-t)*(1-t)
	}

Accelimation._B4=function(t)
	{
		return(1-t)*(1-t)*(1-t)
	}

Accelimation._getBezier=function(percent,startPos,endPos,control1,control2)
	{
		return endPos*this._B1(percent)+control2*this._B2(percent)+control1*this._B3(percent)+startPos*this._B4(percent);
	}

Accelimation.instances=[];
Accelimation.targetRes=10;
Accelimation.timerID=null;

if(window.attachEvent)
	{
		var cearElementProps=['data','onmouseover','onmouseout','onmousedown','onmouseup','ondblclick','onclick','onselectstart','oncontextmenu'];
		window.attachEvent("onunload", function()
			{
				var el;
				for(var d=document.all.length;d--;)
					{
						el=document.all[d];
						for(var c=cearElementProps.length;c--;)
							{
								el[cearElementProps[c]] = null;
							}
					}
			});
	}