/*²Λ΅₯ΙθΆ¨*/

mtDropDown.spacerGif = dir+"images/x.gif";

mtDropDown.dingbatOn = dir+"images/xx.gif";

mtDropDown.dingbatOff = dir+"images/xxx.gif"; 

mtDropDown.dingbatSize = 14; 

mtDropDown.menuPadding = 1; 

mtDropDown.itemPadding = 4; 

mtDropDown.shadowSize = 2; 

mtDropDown.shadowOffset = 3; 

mtDropDown.shadowColor = "#888"; 

mtDropDown.shadowPng = dir+"images/grey-40.png"; 

mtDropDown.backgroundColor = "#FFFFFF"; 

mtDropDown.backgroundPng = dir+"images/white-90.png"; 

mtDropDown.hideDelay = 1000; 

mtDropDown.slideTime = 200; 



mtDropDown.reference = {topLeft:1,topRight:2,bottomLeft:3,bottomRight:4};

mtDropDown.direction = {down:1,right:2};

mtDropDown.registry = [];

mtDropDown._maxZ = 100;



mtDropDown.isSupported = function() {

   if (typeof mtDropDown.isSupported.r == "boolean") return mtDropDown.isSupported.r;

      var ua = navigator.userAgent.toLowerCase();

      var an = navigator.appName;

      var r = false;

   if (ua.indexOf("gecko") > -1) r = true; 

   else if (an == "Microsoft Internet Explorer") {if (document.getElementById) r = true;}

   mtDropDown.isSupported.r = r;

   return r;

}



mtDropDown.initialize = function() {

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

      menu.initialize();

   }

}



mtDropDown.renderAll = function() {

   var aMenuHtml = [];

   for (var i = 0, menu = null; menu = this.registry[i]; i++) {aMenuHtml[i] = menu.toString();}

        document.write(aMenuHtml.join(""));

   }



function mtDropDown(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.index = mtDropDown.registry.length;

   mtDropDown.registry[this.index] = this;

   var id = "mtDropDown" + 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 == mtDropDown.direction.down ? "top" : "left";

   var dim = null;



function addItem(sText, sUrl) {

   var item = new mtDropDownItem(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 mtDropDownSet(mtDropDown.direction.right, -5, 2, mtDropDown.reference.topRight);
	  
      var m = childMenuSet.addMenu(oMenuItem);
	  
      childMenus[oMenuItem._index] = m;
	  
      m.onmouseover = child_mouseover;
	  
      m.ondeactivate = child_deactivate;
	  
      m.onqueue = child_queue;
	  
      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 = mtDropDown._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 == mtDropDownItem; 
   
   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("mtDropdownMenu") == -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 == mtDropDownItem) {
	   
   x += parseInt(el.parentNode.style.left);
   
   y += parseInt(el.parentNode.style.top);
   
   }
   
   switch (iReferencePoint) {
	   
   case mtDropDown.reference.topLeft:
   
   break;
   
   case mtDropDown.reference.topRight:
   
   x += act.offsetWidth;
   
   break;
   
   case mtDropDown.reference.bottomLeft:
   
   y += act.offsetHeight;
   
   break;
   
   case mtDropDown.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, mtDropDown.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 + mtDropDown.shadowSize + 2 + "px";
   
   elmCache["clip"].style.height = oh + mtDropDown.shadowSize + 2 + "px";
   

   elmCache["content"].style.width = ow + mtDropDown.shadowSize + "px";
   
   elmCache["content"].style.height = oh + mtDropDown.shadowSize + "px";
   
   contentHeight = oh + mtDropDown.shadowSize;
   
   contentWidth = ow + mtDropDown.shadowSize;
   
   dim = iDirection == mtDropDown.direction.down ? contentHeight : contentWidth;
   
   elmCache["content"].style[pos] = -dim - mtDropDown.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 = mtDropDown.backgroundColor;

   elmCache["shadowRight"].style.left = ow + "px";
   
   elmCache["shadowRight"].style.height = oh - (mtDropDown.shadowOffset - mtDropDown.shadowSize) + "px";
   
   elmCache["shadowRight"].style.backgroundColor = mtDropDown.shadowColor;

   elmCache["shadowBottom"].style.top = oh + "px";
   
   elmCache["shadowBottom"].style.width = ow - mtDropDown.shadowOffset + "px";
   
   elmCache["shadowBottom"].style.backgroundColor = mtDropDown.shadowColor;
   
   }

   else {

   elmCache["background"].firstChild.src = mtDropDown.backgroundPng;
   
   elmCache["background"].firstChild.width = ow;
   
   elmCache["background"].firstChild.height = oh;

   elmCache["shadowRight"].firstChild.src = mtDropDown.shadowPng;
   
   elmCache["shadowRight"].style.left = ow + "px";
   
   elmCache["shadowRight"].firstChild.width = mtDropDown.shadowSize;
   
   elmCache["shadowRight"].firstChild.height = oh - (mtDropDown.shadowOffset - mtDropDown.shadowSize);

   elmCache["shadowBottom"].firstChild.src = mtDropDown.shadowPng;
   
   elmCache["shadowBottom"].style.top = oh + "px";
   
   elmCache["shadowBottom"].firstChild.height = mtDropDown.shadowSize;
   
   elmCache["shadowBottom"].firstChild.width = ow - mtDropDown.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 = mtDropDown.dingbatOn;
	  
}

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


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 toString() {
	
   var aHtml = [];
   
   var sClassName = "mtDropdownMenu" + (oActuator.constructor != mtDropDownItem ? " 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="' + mtDropDown.spacerGif + '" width="1" height="' + mtDropDown.menuPadding + '"></td></tr>' + 
   
   aHtml.join('') + 
   
   '<tr><td colspan="2"><img src="' + mtDropDown.spacerGif + '" width="1" height="' + mtDropDown.menuPadding + '"></td></tr></table>' + 
   
   '<div class="shadowBottom"><img src="' + mtDropDown.spacerGif + '" width="1" height="1"></div>' + 
   
   '<div class="shadowRight"><img src="' + mtDropDown.spacerGif + '" width="1" height="1"></div>' + 
   
   '<div class="background"><img src="' + mtDropDown.spacerGif + '" width="1" height="1"></div>' + 
   
   '</div></div>';
   
   }
   
}


mtDropDownSet.registry = [];

function mtDropDownSet(iDirection, iLeft, iTop, iReferencePoint) {
	
   this.addMenu = addMenu;
   
   this.showMenu = showMenu;
   
   this.hideMenu = hideMenu;
   
   this.hide = hide;
   
   var menus = [];
   
   var _this = this;
   
   var current = null;
   
   this.index = mtDropDownSet.registry.length;
   
   mtDropDownSet.registry[this.index] = this;

   function addMenu(oActuator) {
	   
      var m = new mtDropDown(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("mtDropDownSet.registry[" + _this.index + "].hide(mtDropDown.registry[" + oMenu.index + "])", mtDropDown.hideDelay);
	  
   }
   
   
   function cancelHide(oMenu) {
	   
   if (oMenu.hideTimer) {
	   
       window.clearTimeout(oMenu.hideTimer);
	   
       oMenu.hideTimer = null;
	   
       }
	   
   }
   

   function hide(oMenu) { 
   
      if (!oMenu && current) oMenu = current;
	  
      if (oMenu && current == oMenu && oMenu.isOpen) {
		  
          cancelHide(oMenu);
		  
          current = null;
		  
          oMenu.hideTimer = null;
		  
          oMenu.hide();
		  
      }
	  
   }
   
}


function mtDropDownItem(sText, sUrl, oParent) {
	
   this.toString = toString;
   
   this.text = sText;
   
   this.url = sUrl;
   
   this.parentMenu = oParent;
   
   function toString(bDingbat) {
	   
      var sDingbat = bDingbat ? mtDropDown.dingbatOff : mtDropDown.spacerGif;
	  
      var iEdgePadding = mtDropDown.itemPadding + mtDropDown.menuPadding;
	  
      var sPaddingLeft = "padding:" + mtDropDown.itemPadding + "px; padding-left:" + iEdgePadding + "px;"
	  
      var sPaddingRight = "padding:" + mtDropDown.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;


function init() {
	
   if (mtDropDown.isSupported()) { 
   
	   mtDropDown.initialize();
	   
   } 
   
}