/* =================================================================================================
 * TransMenu
 * March, 2003
 *
 * Customizable multi-level animated DHTML menus with transparency.
 *
 * Copyright 2003-2004, Aaron Boodman (www.youngpup.net)
 * =================================================================================================
 * "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
 * =================================================================================================
 * updates:
 * 04.19.04 fixed cascade problem with menus nested greater than two levels.
 * 12.23.03 added hideCurrent for menu actuators with no menus. renamed to TransMenu.
 * 04.18.03	fixed render bug in IE 5.0 Mac by removing that browser from compatibility table ;)
 *			also made gecko check a little more strict by specifying build no.
 * ============================================================================================== */


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="white";TransMenu.backgroundPng="img/white-90.png";TransMenu.hideDelay=1000;TransMenu.slideTime=400;TransMenu.autoposition=1;TransMenu.reference={topLeft:1,topRight:2,bottomLeft:3,bottomRight:4};TransMenu.direction={down:1,right:2,up:3,left:4,dleft:5};TransMenu.registry=[];TransMenu._maxZ=100;TransMenu.isSupported=function(){var ua=navigator.userAgent.toLowerCase();var pf=navigator.platform.toLowerCase();var an=navigator.appName;var r=true;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=null;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||iDirection==TransMenu.direction.up||iDirection==TransMenu.direction.dleft)?"top":"left";var dim=null;function addItem(sText,sUrl,browserNav,active){var item=new TransMenuItem(sText,sUrl,this,browserNav,active,(id+"-"+this.items.length),iDirection);item._index=this.items.length;this.items[item._index]=item}function addMenu(oMenuItem,offx,offy){if(!oMenuItem.parentMenu==this)throw new Error("Cannot add a menu here");var iDirec=TransMenu.direction.right;var iRef=TransMenu.reference.topRight;if(iDirection==TransMenu.direction.left||iDirection==TransMenu.direction.dleft){iDirec=TransMenu.direction.left;iRef=TransMenu.reference.topLeft}if(childMenuSet==null)childMenuSet=new TransMenuSet(iDirec,offx,offy,iRef);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();if(TransMenu.selecthack){WCH.Apply(id)}_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();if(TransMenu.selecthack){WCH.Discard(id)}_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 ua=navigator.userAgent.toLowerCase();var rv=-1;if(navigator.appName=='Microsoft Internet Explorer'){var ua=navigator.userAgent;var re=new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");if(re.exec(ua)!=null)rv=parseFloat(RegExp.$1)}if(TransMenu.autoposition){if((ua.indexOf("opera")>=0)){var minX=0;var maxX=(window.innerWidth?window.innerWidth+document.body.scrollLeft:document.body.clientWidth+document.body.scrollLeft)-parseInt(elmCache["clip"].style.width);var minY=0;var maxY=(window.innerHeight?window.innerHeight+document.body.scrollTop:document.body.clientHeight+document.body.scrollTop)-parseInt(elmCache["clip"].style.height)}else if(rv==9){var minX=0;var maxX=(document.documentElement.clientWidth+document.documentElement.scrollLeft)-parseInt(elmCache["clip"].style.width);var minY=0;var maxY=(document.documentElement.clientHeight+document.documentElement.scrollTop)-parseInt(elmCache["clip"].style.height)}else{var minX=0;var maxX=(window.innerWidth?window.innerWidth+window.scrollX:document.documentElement.clientWidth+document.documentElement.scrollLeft)-parseInt(elmCache["clip"].style.width);var minY=0;var maxY=(window.innerHeight?window.innerHeight+window.scrollY:document.documentElement.clientHeight+document.documentElement.scrollTop)-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+=el.offsetLeft;y+=el.offsetTop;if((act.tagName=="TR"&&act.childNodes[0])&&ua.indexOf("safari")>=0){if(iDirection==4){}else{xx_offset=0;if(TransMenu.sub_indicator){xx_offset=act.childNodes[1].offsetWidth}start=ua.indexOf("safari");ver=parseInt(ua.substring((start+7),(start+10)));if(ver<500){x+=act.childNodes[0].offsetLeft+act.childNodes[0].offsetWidth+xx_offset;y+=act.childNodes[0].offsetTop}}}if((act.tagName=="TR"&&ua.indexOf("opera")>=0)){}x+=iLeft;y+=iTop;if(TransMenu.autoposition){x=Math.max(Math.min(x,maxX),minX);y=Math.max(Math.min(y,maxY),minY)}var ow=elmCache["items"].offsetWidth;var oh=elmCache["items"].offsetHeight;contentHeight=oh+TransMenu.shadowSize;contentWidth=ow+TransMenu.shadowSize;if(iDirection==TransMenu.direction.up){y-=contentHeight}if(iDirection==TransMenu.direction.left||iDirection==TransMenu.direction.dleft){x-=contentWidth}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||iDirection==TransMenu.direction.up)?contentHeight:contentWidth;if(iDirection==TransMenu.direction.left||iDirection==TransMenu.direction.up){dim=-dim}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])if(TransMenu.sub_indicator&&oRow.lastChild.firstChild.src){oRow.lastChild.firstChild.src=TransMenu.dingbatOn}}function dehighlight(oRow){oRow.className="item";if(childMenus[oRow._index])if(TransMenu.sub_indicator&&oRow.lastChild.firstChild.src){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]){}else{dehighlight(this)}}}function item_click(){if(!animating){if(_this.items[this._index].url){if(_this.items[this._index].target=="1"){window.open(_this.items[this._index].url,"_blank")}else if(_this.items[this._index].target=="2"){window.open(_this.items[this._index].url,'','toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=780,height=550')}else if(_this.items[this._index].target=="3"){location.href=void(0)}else{location.href=_this.items[this._index].url}}}}function actuator_mouseover(){parentMenuSet.showMenu(_this)}function actuator_mouseout(){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">'+aHtml.join('')+'</table>'+'<div class="shadowBottom"></div>'+'<div class="shadowRight"></div>'+'<div class="background"></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(){if(null!=current){cancelHide(current);current.hideTimer=null;current.hide();current=null}}}function TransMenuItem(sText,sUrl,oParent,sTarget,active,id,iDirection){this.toString=toString;this.text=sText;this.url=sUrl;this.target=sTarget;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;";var menustring='<tr class="item">';if(TransMenu.sub_indicator&&((iDirection==TransMenu.direction.left)||(iDirection==TransMenu.direction.dleft))){menustring+='<td style="'+sPaddingRight+'">'+'<img src="'+sDingbat+'" ></td>'}menustring+='<td nowrap style="'+sPaddingLeft+'" id="'+id+'">'+sText+'</td>';if(TransMenu.sub_indicator&&((iDirection==TransMenu.direction.down)||(iDirection==TransMenu.direction.right)||(iDirection==TransMenu.direction.up))){menustring+='<td style="'+sPaddingRight+'">'+'<img src="'+sDingbat+'" ></td>'}menustring+='</tr>';return menustring}}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}}})}var WCH_Constructor=function(){if(!(document.all&&document.getElementById&&!window.opera&&navigator.userAgent.toLowerCase().indexOf("mac")==-1)){this.Apply=function(){};this.Discard=function(){};return}var _bIE55=false;var _bIE6=false;var _oRule=null;var _bSetup=true;var _oSelf=this;this.Apply=function(vLayer,vContainer,bResize){if(_bSetup)_Setup();if(_bIE55&&(oIframe=_Hider(vLayer,vContainer,bResize))){oIframe.style.visibility="visible"}else if(_oRule!=null){_oRule.style.visibility="hidden"}};this.Discard=function(vLayer,vContainer){if(_bIE55&&(oIframe=_Hider(vLayer,vContainer,false))){oIframe.style.visibility="hidden"}else if(_oRule!=null){_oRule.style.visibility="visible"}};function _Hider(vLayer,vContainer,bResize){var oLayer=_GetObj(vLayer);var oContainer=((oTmp=_GetObj(vContainer))?oTmp:document.getElementsByTagName("body")[0]);if(!oLayer||!oContainer)return;var oIframe=document.getElementById("WCHhider"+oLayer.id);if(!oIframe){var sFilter=(_bIE6)?"filter:progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0);":"";var zIndex=oLayer.style.zIndex;if(zIndex=="")zIndex=oLayer.currentStyle.zIndex;zIndex=parseInt(zIndex);if(isNaN(zIndex))return null;if(zIndex<2)return null;zIndex--;var sHiderID="WCHhider"+oLayer.id;oContainer.insertAdjacentHTML("afterBegin",'<iframe class="WCHiframe" src="javascript:false;" id="'+sHiderID+'" scroll="no" frameborder="0" style="position:absolute;visibility:hidden;'+sFilter+'border:0;top:0;left;0;width:0;height:0;background-color:#ccc;z-index:'+zIndex+';"></iframe>');oIframe=document.getElementById(sHiderID);_SetPos(oIframe,oLayer)}else if(bResize){_SetPos(oIframe,oLayer)}return oIframe};function _SetPos(oIframe,oLayer){oIframe.style.width=oLayer.offsetWidth+"px";oIframe.style.height=oLayer.offsetHeight+"px";oIframe.style.left=oLayer.offsetLeft+"px";oIframe.style.top=oLayer.offsetTop+"px"};function _GetObj(vObj){var oObj=null;switch(typeof(vObj)){case"object":oObj=vObj;break;case"string":oObj=document.getElementById(vObj);break}return oObj};function _Setup(){_bIE55=(typeof(document.body.contentEditable)!="undefined");_bIE6=(typeof(document.compatMode)!="undefined");if(!_bIE55){if(document.styleSheets.length==0)document.createStyleSheet();var oSheet=document.styleSheets[0];oSheet.addRule(".WCHhider","visibility:visible");_oRule=oSheet.rules(oSheet.rules.length-1)}_bSetup=false}};var WCH=new WCH_Constructor();
