/***********************************************
 * AnyLink CSS Menu script- (c) Dynamic Drive DHTML code library (www.dynamicdrive.com)
 * This notice MUST stay intact for legal use
 * Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
 ***********************************************
 */

var disappeardelay = 250; //menu disappear speed onMouseout (in miliseconds)
var enableanchorlink = 0; //Enable or disable the anchor link when clicked on? (1 = e, 0 = d)
var hidemenu_onclick = 1; //hide menu when user clicks within menu? (1 = yes, 0 = no)
var delayhide;
var dropmenuobj;

/////No further editting needed

var ie5 = document.all;
var ns6 = document.getElementById && !document.all;

function getposOffset(what, offsettype) {
  var totaloffset = (offsettype == "left")? what.offsetLeft : what.offsetTop;
  var parentEl = what.offsetParent;

  while (parentEl != null) {
    totaloffset = (offsettype == "left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
    parentEl = parentEl.offsetParent;
  }

  return totaloffset;
}

function showhide(obj, e, visible, hidden) {
  if (ie5||ns6) {
    dropmenuobj.style.left = dropmenuobj.style.top = "-500px";
  }

  if (e.type == "click" && obj.visibility == hidden || e.type == "mouseover") {
    obj.visibility = visible;
  }
  else if (e.type == "click") {
    obj.visibility = hidden;
  }
}

function iecompattest() {
  return (document.compatMode && document.compatMode != "BackCompat") ? document.documentElement : document.body;
}

function clearbrowseredge(obj, whichedge) {
  var edgeoffset = 0;

  if (whichedge == "rightedge") {
    var windowedge = ie5 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15;
    dropmenuobj.contentmeasure = dropmenuobj.offsetWidth;

    if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure) {
      edgeoffset = dropmenuobj.contentmeasure-obj.offsetWidth;
    }
  }
  else {
    var topedge = (ie5 && !window.opera) ? iecompattest().scrollTop : window.pageYOffset;
    var windowedge = (ie5 && !window.opera) ? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18;

    dropmenuobj.contentmeasure = dropmenuobj.offsetHeight;
    if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure) { //move up?
      edgeoffset = dropmenuobj.contentmeasure+obj.offsetHeight;

      if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) {
        //up no good either?
        edgeoffset = dropmenuobj.y+obj.offsetHeight-topedge;
      }
    }
  }
  return edgeoffset;
}

function dropdownmenu(obj, e, dropmenuID) {
  if (window.event) {
    event.cancelBubble = true;
  }
  else if (e.stopPropagation) {
    e.stopPropagation();
  }

  if (typeof dropmenuobj != "undefined") {
    //hide previous menu
    dropmenuobj.style.visibility = "hidden";
  }

  clearhidemenu();

  if (ie5||ns6) {
    obj.onmouseout = delayhidemenu;
    dropmenuobj = document.getElementById(dropmenuID);
    if (hidemenu_onclick) {
      dropmenuobj.onclick = function() {dropmenuobj.style.visibility = 'hidden'}
    }
    dropmenuobj.onmouseover = clearhidemenu;
    dropmenuobj.onmouseout = ie5 ? function(){dynamichide(event)} : function(event){dynamichide(event)}
    showhide(dropmenuobj.style, e, "visible", "hidden");
    dropmenuobj.x = getposOffset(obj, "left");
    dropmenuobj.y = getposOffset(obj, "top");
    dropmenuobj.style.left = dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px";
    dropmenuobj.style.top = dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px";
  }
  return clickreturnvalue();
}

function clickreturnvalue() {
  if ((ie5||ns6) && !enableanchorlink) {
    return false;
  }
  else {
    return true;
  }
}

function contains_ns6(a, b) {
  while (b.parentNode) {
    if ((b = b.parentNode) == a) {
      return true;
    }
  }

  return false;
}

function dynamichide(e) {
  if (ie5&&!dropmenuobj.contains(e.toElement)) {
    delayhidemenu();
  }
  else if (ns6&&e.currentTarget != e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget)) {
    delayhidemenu();
  }
}

function delayhidemenu() {
  delayhide = setTimeout("dropmenuobj.style.visibility = 'hidden'",disappeardelay);
}

function clearhidemenu() {
  if (typeof delayhide != "undefined") {
    clearTimeout(delayhide);
  }
}