// DROP-DOWN (Michael Leigeber, www.leigeber.com) //

var DDSPEED = 10;

var DDTIMER = 15;




// main function to handle the mouse events //


function ddMenu(id,d)
  {

  var h = document.getElementById(id + '-ddheader');

  var c = document.getElementById(id + '-ddcontent');

  clearInterval(c.timer);

  if(d == 1)
    {
    
    clearTimeout(h.timer);
    
    if(c.maxh && c.maxh <= c.offsetHeight)
      {
      return
      }
    else if(!c.maxh)
      {

      c.style.display = 'block';

      c.style.height = 'auto';

      c.maxh = c.offsetHeight;

      c.style.height = '0px';

      }

    c.timer = setInterval(function(){ddSlide(c,1)},DDTIMER);

    }
  else
    {

    h.timer = setTimeout(function(){ddCollapse(c)},50);

    }

  }




// collapse the menu //


function ddCollapse(c)
  {

  c.timer = setInterval(function(){ddSlide(c,-1)},DDTIMER);
  
}




// cancel the collapse if a user rolls over the dropdown //


function cancelHide(id)
  {
  var h = document.getElementById(id + '-ddheader');

  var c = document.getElementById(id + '-ddcontent');

  clearTimeout(h.timer);
  clearInterval(c.timer);

  if(c.offsetHeight < c.maxh)
    {

    c.timer = setInterval(function(){ddSlide(c,1)},DDTIMER);

    }
  
}


// incrementally expand/contract the dropdown and change the opacity //


function ddSlide(c,d)
  {
  var currh = c.offsetHeight;

  var dist;

  if(d == 1)
    {

    dist = (Math.round((c.maxh - currh) / DDSPEED));

    }
  else
    {

    dist = (Math.round(currh / DDSPEED));

    }

  if(dist <= 1 && d == 1)
    {

    dist = 1;

    }

  c.style.height = currh + (dist * d) + 'px';

  c.style.opacity = currh / c.maxh;

  c.style.filter = 'alpha(opacity=' + (currh * 100 / c.maxh) + ')';

  if((currh < 2 && d != 1) || (currh > (c.maxh - 2) && d == 1))
    {

    clearInterval(c.timer);
  
    }

  }


// ROLLOVER IMAGE REPLACEMENT (Dreamweaver CS3) //

function MM_swapImgRestore()
  {
  //v3.0
  var i,x,a=document.MM_sr;
  for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++)
  x.src=x.oSrc;
  }
function MM_preloadImages()
  {
  //v3.0
  var d=document;
  if(d.images)
    {
    if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
    for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0)
      {
      d.MM_p[j]=new Image;
      d.MM_p[j++].src=a[i];
      }
    }
  }

function MM_findObj(n, d)
  {
  //v4.01
  var p,i,x;
  if(!d) d=document;
  if((p=n.indexOf("?"))>0&&parent.frames.length)
    {
    d=parent.frames[n.substring(p+1)].document;
    n=n.substring(0,p);
    }
  if(!(x=d[n])&&d.all) x=d.all[n];
  for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n);
  return x;
  }

function MM_swapImage()
  {
  //v3.0
  var i,j=0,x,a=MM_swapImage.arguments;
  document.MM_sr=new Array;
  for(i=0;i<(a.length-2);i+=3)
  if ((x=MM_findObj(a[i]))!=null)
    {
    document.MM_sr[j++]=x;
    if(!x.oSrc) x.oSrc=x.src;
    x.src=a[i+2];
    }
  }



// Stream Scrolling Script (http://thumbnailscroller.com) //

var ImageScroller = function(_imageScrollerParentDivID, _imageScrollerChildDivID) {
   _imageScrollerParentDivID = getElem(_imageScrollerParentDivID); 
   _imageScrollerChildDivID = getElem(_imageScrollerChildDivID); 
   var prImagePaths = new Array(); 
   var prImageAltText = new Array(); 
   var prImageClicks = new Array(); 
   var prImageDescription = new Array(); 
   var iNumOfThumbsShown = 1; 
   var iNumOfImages; 
   
   var bAutoScroll = 0; 
   //0=false, 1=true
   var iAutoScrollDelay = 2000; 
   var bAutoScrollDirection = 1; 
   //0=back, 1=forward
   var bAutoReverse = 1; 
   //0=false, 1=true
   var iScrollType = 1; 
   //0=horizontal, 1=vertical
   var bEnableThumbBorder = 0; 
   //0=no, 1=yes
   var bEnableCurrentCount = 0; 
   //0=no, 1=yes
   var bEnableThumbDescription = 0; 
   //0=no, 1=yes
   var bClickOpenType = 0; 
   //0=same window, 1=new window
   var iImageScrollAmount = 1;
   //number of images to scroll
   
   var objCounterDiv = ""; 
   var objDescriptionDiv = ""; 
   var iSmoothSlideInterval = 3; 
   var iSmoothSlideAmount = 7; 
   var moveTimer; 
   
   this.THUMB_HEIGHT = 80; 
   this.THUMB_WIDTH = 80; 
   this.THUMB_PADDING = 4; 
   
   var CURRENT_THUMB_INDEX = 1; 
   var NEW_REVERSE_OFFSET = 0; 
   var MAX_REVERSE_OFFSET = 0; 
   var NEW_FORWARD_OFFSET = 0; 
   var IS_SCROLLING = false; 
   //* BEGIN FUNCTIONS *//
   this.setNumOfImageToScroll = function(_NumOfImagesToScroll) {
        iImageScrollAmount = parseInt(_NumOfImagesToScroll);
   };
   this.enableThumbnailDescription = function(_descriptionDivID) {
      bEnableThumbDescription = 1; 
      objDescriptionDiv = _descriptionDivID; 
      }; 
   this.setScrollType = function(_iType) {
      if (_iType == 0) {
         iScrollType = 0; 
         }
      else {
         iScrollType = 1; 
         }
      }; 
   this.setScrollSpeed = function(_iSpeed) {
      if (_iSpeed > 0 || _iSpeed < 1000) {
         iSmoothSlideInterval = _iSpeed; 
         }
      else {
         iSmoothSlideInterval = 7; 
         }
      }; 
   this.setScrollAmount = function(_iAmount) {
      if (_iAmount > 0 || _iAmount < 1000) {
         iSmoothSlideAmount = _iAmount; 
         }
      else {
         iSmoothSlideAmount = 7; 
         }
      }; 
   this.setClickOpenType = function(_openType) {
      if (_openType == 0 || _openType == 1) {
         bClickOpenType = _openType; 
         }
      }; 
   this.enableCurrentCount = function(_counterDivID) {
      bEnableCurrentCount = 1; 
      objCounterDiv = _counterDivID; 
      }; 
   this.enableThumbBorder = function(_boolean) {
      bEnableThumbBorder = _boolean; 
      }; 
   this.setThumbsShown = function(_newNumOfThumbsShown) {
      iNumOfThumbsShown = parseInt(_newNumOfThumbsShown); 
      }; 
   this.addThumbnail = function(_thumbnailURL, _fullClickURL, _thumbnailAlt, _thumbnailDescription) {
      prImagePaths[prImagePaths.length] = _thumbnailURL; 
      prImageClicks[prImageClicks.length] = _fullClickURL; 
      prImageAltText[prImageAltText.length] = _thumbnailAlt; 
      prImageDescription[prImageDescription.length] = _thumbnailDescription; 
      }; 
   this.setThumbnailHeight = function(_newThumbHeight) {
      this.THUMB_HEIGHT = _newThumbHeight; 
      }; 
   this.getThumbnailHeight = function() {
      return this.THUMB_HEIGHT; 
      }; 
   this.setThumbnailWidth = function(_newThumbWidth) {
      this.THUMB_WIDTH = _newThumbWidth; 
      }; 
   this.getThumbnailWidth = function() {
      return this.THUMB_WIDTH; 
      }; 
   this.setThumbnailPadding = function(_newThumbPadding) {
      this.THUMB_PADDING = _newThumbPadding; 
      }; 
   this.getThumbnailPadding = function() {
      return THUMB_PADDING; 
      }; 
   this.getCurrentThumbIndex = function() {
      return CURRENT_THUMB_INDEX; 
      }; 
   this.getThumbnailCount = function() {
      return iNumOfImages; 
      }; 
   this.renderScroller = function() {
      iNumOfImages = prImagePaths.length; 
      if (iNumOfThumbsShown > iNumOfImages) {
         iNumOfThumbsShown = iNumOfImages; 
         }
      MAX_REVERSE_OFFSET = 0 - (iNumOfImages - iNumOfThumbsShown) * this.THUMB_HEIGHT; 
      if (this.THUMB_PADDING > 0) {
         MAX_REVERSE_OFFSET = MAX_REVERSE_OFFSET - (iNumOfImages * this.THUMB_PADDING); 
         }
      if (bEnableThumbBorder == 1) {
         MAX_REVERSE_OFFSET = MAX_REVERSE_OFFSET - (iNumOfImages * 4); 
         }
      if (iScrollType == 0) {
         _imageScrollerParentDivID.style.width = (this.THUMB_WIDTH * iNumOfThumbsShown) + (iNumOfThumbsShown * (this.THUMB_PADDING * 2)) + "px"; 
         if (bEnableThumbBorder == 1) {
            _imageScrollerParentDivID.style.width = (parseInt(_imageScrollerParentDivID.style.width) + (iNumOfThumbsShown * 4)) + "px"; 
            }
         _imageScrollerParentDivID.style.height = this.THUMB_HEIGHT + (this.THUMB_PADDING * 2) + "px"; 
         if (bEnableThumbBorder == 1) {
            _imageScrollerParentDivID.style.height = (parseInt(_imageScrollerParentDivID.style.height) + 4) + "px"; 
            }
         _imageScrollerChildDivID.style.width = (this.THUMB_WIDTH * iNumOfImages) + (iNumOfImages * (this.THUMB_PADDING * 2)) + "px"; 
         if (bEnableThumbBorder == 1) {
            _imageScrollerChildDivID.style.width = (parseInt(_imageScrollerChildDivID.style.width) + (iNumOfImages * 4)) + "px"; 
            }
         }
      else if (iScrollType == 1) {
         _imageScrollerParentDivID.style.width = (this.THUMB_WIDTH) + ((this.THUMB_PADDING * 2)) + "px"; 
         if (bEnableThumbBorder == 1) {
            _imageScrollerParentDivID.style.width = (parseInt(_imageScrollerParentDivID.style.width) + (4)) + "px"; 
            }
         _imageScrollerParentDivID.style.height = (this.THUMB_HEIGHT * iNumOfThumbsShown) + (iNumOfThumbsShown * (this.THUMB_PADDING * 2)) + "px"; 
         if (bEnableThumbBorder == 1) {
            _imageScrollerParentDivID.style.height = (parseInt(_imageScrollerParentDivID.style.height) + (iNumOfThumbsShown * 4)) + "px"; 
            }
         _imageScrollerChildDivID.style.width = (this.THUMB_WIDTH) + (this.THUMB_PADDING * 2) + "px"; 
         if (bEnableThumbBorder == 1) {
            _imageScrollerChildDivID.style.width = (parseInt(_imageScrollerChildDivID.style.width) + 4) + "px"; 
            }
         }
      //*** [Begin] Image Cacheing code ***//
      var oHref;
      var oImage;
        oHref = document.createElement("a");
        oImage = document.createElement("img");
        
      for (i = 0; i < iNumOfImages; i++) {
        oHref = document.createElement("a");
        oHref.href = prImageClicks[i];
        oHref.title = prImageAltText[i];
        
        if (bClickOpenType == 1) {
            oHref.target = "_blank";
        }
        
        oImage = document.createElement("img");
            oImage.src = prImagePaths[i];
            oImage.alt = prImageAltText[i];
            oImage.border = 0;
            oImage.width = this.THUMB_WIDTH;
            oImage.height = this.THUMB_HEIGHT;
            oImage.style.padding = this.THUMB_PADDING;
            
          oHref.appendChild(oImage);
          _imageScrollerChildDivID.appendChild(oHref);
            
      }
      //*** [End]   Image Cacheing code ***//
      
      if (bEnableCurrentCount == 1) {
         addAnEvent(window, "load", this.updateCurrentCount); 
         }
      if (bEnableThumbDescription == 1) {
         addAnEvent(window, "load", this.updateCurrentDescription); 
         }
      }; 
   this.scrollUp = function() {
      _origOffset = parseInt(_imageScrollerChildDivID.style.top); 
      _currentOffset = parseInt(_imageScrollerChildDivID.style.top); 
      _newOffset = _currentOffset - (this.THUMB_HEIGHT * iImageScrollAmount); 
      if (this.THUMB_PADDING > 0) {
         _newOffset = _newOffset - (2 * this.THUMB_PADDING); 
         }
      if (bEnableThumbBorder == 1) {
         _newOffset = _newOffset - 4; 
         }
      if (IS_SCROLLING == false && _newOffset >= MAX_REVERSE_OFFSET) {
         NEW_FORWARD_OFFSET = _newOffset; 
         moveScrollerUp(); 
         }
      }; 
   this.scrollDown = function() {
      _origOffset = parseInt(_imageScrollerChildDivID.style.top); 
      _currentOffset = parseInt(_imageScrollerChildDivID.style.top); 
      _newOffset = _currentOffset + (this.THUMB_HEIGHT * iImageScrollAmount); 
      if (this.THUMB_PADDING > 0) {
         _newOffset = _newOffset + (2 * this.THUMB_PADDING); 
         }
      if (bEnableThumbBorder == 1) {
         _newOffset = _newOffset + 4; 
         }
      if (_newOffset <= 0) {
         if(_currentOffset > (_origOffset - this.THUMB_HEIGHT)) {
            if (IS_SCROLLING == false && _newOffset >= MAX_REVERSE_OFFSET) {
               NEW_REVERSE_OFFSET = _newOffset; 
               moveScrollerDown(); 
               }
            }
         }
      }; 
   this.scrollTop = function() {
      if (IS_SCROLLING == false) {
         NEW_FORWARD_OFFSET = ( - 1 * (iNumOfImages - iNumOfThumbsShown) * this.THUMB_HEIGHT); 
         CURRENT_THUMB_INDEX = iNumOfImages - iNumOfThumbsShown; 
         moveScrollerUp(); 
         }
      }; 
   this.scrollBottom = function() {
      if (IS_SCROLLING == false) {
         NEW_REVERSE_OFFSET = 0; 
         CURRENT_THUMB_INDEX = iNumOfImages - iNumOfThumbsShown; 
         moveScrollerDown(); 
         }
      }; 
   this.scrollReverse = function() {
      _origOffset = parseInt(_imageScrollerChildDivID.style.left); 
      _currentOffset = parseInt(_imageScrollerChildDivID.style.left); 
      _newOffset = _currentOffset + (this.THUMB_WIDTH * iImageScrollAmount); 
      if (this.THUMB_PADDING > 0) {
         _newOffset = _newOffset + (this.THUMB_PADDING * (2 * iImageScrollAmount)); 
         }
      if (bEnableThumbBorder == 1) {
         _newOffset = _newOffset + 4; 
         }
      if (_newOffset <= 0) {
         if(_currentOffset > (_origOffset - (this.THUMB_WIDTH * iImageScrollAmount))) {
            if (IS_SCROLLING == false) {
               NEW_REVERSE_OFFSET = _newOffset; 
               moveScrollerRight(); 
               }
            }
         }
      }; 
   this.scrollForward = function() {
      _origOffset = parseInt(_imageScrollerChildDivID.style.left); 
      _currentOffset = parseInt(_imageScrollerChildDivID.style.left); 
      _newOffset = _currentOffset - (this.THUMB_WIDTH * iImageScrollAmount); 
      if (this.THUMB_PADDING > 0) {
         _newOffset = _newOffset - ((2 * iImageScrollAmount) * this.THUMB_PADDING); 
         }
      if (bEnableThumbBorder == 1) {
         _newOffset = _newOffset - 4; 
         }
      if (IS_SCROLLING == false && _newOffset >= MAX_REVERSE_OFFSET) {
         NEW_FORWARD_OFFSET = _newOffset; 
         moveScrollerLeft(); 
         }
      }; 
   this.scrollEnd = function() {
      if (IS_SCROLLING == false) {
         NEW_FORWARD_OFFSET = MAX_REVERSE_OFFSET; 
         CURRENT_THUMB_INDEX = iNumOfImages - iNumOfThumbsShown; 
         moveScrollerLeft(); 
         }
      }; 
   this.scrollBegin = function() {
      if (IS_SCROLLING == false) {
         NEW_REVERSE_OFFSET = 0; 
         CURRENT_THUMB_INDEX = 2; 
         moveScrollerRight(); 
         }
      }; 
   this.updateCurrentDescription = function() {
      getElem(objDescriptionDiv).innerHTML = prImageDescription[CURRENT_THUMB_INDEX - 1]; 
      }; 
   this.updateCurrentCount = function() {
      getElem(objCounterDiv).innerHTML = CURRENT_THUMB_INDEX + "/" + iNumOfImages; 
      }; 
   function moveScrollerUp() {
      _ElementObj = _imageScrollerChildDivID; 
      _currentOffset = parseInt(_ElementObj.style.top); 
      if (_currentOffset > NEW_FORWARD_OFFSET && (_currentOffset - iSmoothSlideAmount) >= NEW_FORWARD_OFFSET) {
         _ElementObj.style.top = _currentOffset - iSmoothSlideAmount + "px"; 
         IS_SCROLLING = true; 
         moveTimer = window.setTimeout(moveScrollerUp, iSmoothSlideInterval); 
         }
      else if (_currentOffset > NEW_FORWARD_OFFSET) {
         _ElementObj.style.top = _currentOffset - 1 + "px"; 
         IS_SCROLLING = true; 
         moveTimer = window.setTimeout(moveScrollerUp, iSmoothSlideInterval); 
         }
      else {
         IS_SCROLLING = false; 
         CURRENT_THUMB_INDEX++; 
         window.clearTimeout(moveTimer); 
         if (bEnableThumbDescription == 1) {
            getElem(objDescriptionDiv).innerHTML = prImageDescription[CURRENT_THUMB_INDEX - 1]; 
            }
         if (bEnableCurrentCount == 1) {
            getElem(objCounterDiv).innerHTML = CURRENT_THUMB_INDEX + "/" + iNumOfImages; 
            }
         }
      }; 
   function moveScrollerDown() {
      _ElementObj = _imageScrollerChildDivID; 
      _currentOffset = parseInt(_ElementObj.style.top); 
      if (_currentOffset < NEW_REVERSE_OFFSET && (_currentOffset + iSmoothSlideAmount) <= NEW_REVERSE_OFFSET) {
         _ElementObj.style.top = _currentOffset + iSmoothSlideAmount + "px"; 
         IS_SCROLLING = true; 
         moveTimer = window.setTimeout(moveScrollerDown, iSmoothSlideInterval); 
         }
      else if (_currentOffset < NEW_REVERSE_OFFSET) {
         _ElementObj.style.top = _currentOffset + 1 + "px"; 
         IS_SCROLLING = true; 
         moveTimer = window.setTimeout(moveScrollerDown, iSmoothSlideInterval); 
         }
      else {
         IS_SCROLLING = false; 
         CURRENT_THUMB_INDEX--; 
         window.clearTimeout(moveTimer); 
         if (bEnableThumbDescription == 1) {
            getElem(objDescriptionDiv).innerHTML = prImageDescription[CURRENT_THUMB_INDEX - 1]; 
            }
         if (bEnableCurrentCount == 1) {
            getElem(objCounterDiv).innerHTML = CURRENT_THUMB_INDEX + "/" + iNumOfImages; 
            }
         }
      }; 
   function moveScrollerRight() {
      _ElementObj = _imageScrollerChildDivID; 
      _currentOffset = parseInt(_ElementObj.style.left); 
      if (_currentOffset < NEW_REVERSE_OFFSET && (_currentOffset + iSmoothSlideAmount) <= NEW_REVERSE_OFFSET) {
         _ElementObj.style.left = _currentOffset + iSmoothSlideAmount + "px"; 
         IS_SCROLLING = true; 
         moveTimer = window.setTimeout(moveScrollerRight, iSmoothSlideInterval); 
         }
      else if (_currentOffset < NEW_REVERSE_OFFSET) {
         _ElementObj.style.left = _currentOffset + 1 + "px"; 
         IS_SCROLLING = true; 
         moveTimer = window.setTimeout(moveScrollerRight, iSmoothSlideInterval); 
         }
      else {
         IS_SCROLLING = false; 
         CURRENT_THUMB_INDEX--; 
         window.clearTimeout(moveTimer); 
         if (bEnableThumbDescription == 1) {
            getElem(objDescriptionDiv).innerHTML = prImageDescription[CURRENT_THUMB_INDEX - 1]; 
            }
         if (bEnableCurrentCount == 1) {
            getElem(objCounterDiv).innerHTML = CURRENT_THUMB_INDEX + "/" + iNumOfImages; 
            }
         }
      }; 
   function moveScrollerLeft() {
      _ElementObj = _imageScrollerChildDivID; 
      _currentOffset = parseInt(_ElementObj.style.left); 
      if (_currentOffset > NEW_FORWARD_OFFSET && (_currentOffset - iSmoothSlideAmount) >= NEW_FORWARD_OFFSET) {
         _ElementObj.style.left = _currentOffset - iSmoothSlideAmount + "px"; 
         IS_SCROLLING = true; 
         moveTimer = window.setTimeout(moveScrollerLeft, iSmoothSlideInterval); 
         }
      else if (_currentOffset > NEW_FORWARD_OFFSET) {
         _ElementObj.style.left = _currentOffset - 1 + "px"; 
         IS_SCROLLING = true; 
         moveTimer = window.setTimeout(moveScrollerLeft, iSmoothSlideInterval); 
         }
      else {
         IS_SCROLLING = false; 
         CURRENT_THUMB_INDEX++; 
         window.clearTimeout(moveTimer); 
         if (bEnableThumbDescription == 1) {
            getElem(objDescriptionDiv).innerHTML = prImageDescription[CURRENT_THUMB_INDEX - 1]; 
            }
         if (bEnableCurrentCount == 1) {
            getElem(objCounterDiv).innerHTML = CURRENT_THUMB_INDEX + "/" + iNumOfImages; 
            }
         }
      }; 
   function addAnEvent(_obj, _eventName, _functionName) {
      if (window.addEventListener) {
         _obj.addEventListener(_eventName, _functionName, false); 
         }
      else {
         _obj.attachEvent("on" + _eventName, _functionName); 
         }
      }; 
   function getElem(_elemID) {
      return document.getElementById(_elemID); 
      }; 
   };

