//-------------------------------------------------------------------------------------------------
//
//  ASP.NET Menu client-side script for IE4+. 
//  Copyright 2002-2003 CYBERAKT INC. All Rights Reserved.
//  Version 1.2
//
//-------------------------------------------------------------------------------------------------

// Event handlers ---------------------------------------------------------------------------------

// Positions the subgroup for the given item, and initiates its expansion 
function aspnm_itemMsOver(item, subGroup, expandDirection, horAdj, verAdj, expandDelay, effect) 
{
  var oItem = document.all[item]; 
  if (oItem.contains(event.fromElement))
  {
    return; //an internal onmouseover
  }
  var newLeft = 0; 
  var newTop = 0; 
  var oSubGroup = document.all[subGroup]; 
  if (aspnm_highlightExpanded)
  {
    oItem['aspnm_subgroup'] = oSubGroup;
    oSubGroup['aspnm_parentitem'] = oItem;
  }

  if (aspnm_curItem != item)
  {
    aspnm_curItem = item; 
  
    if (aspnm_mac && oItem.tagName=="TABLE")
    {
      oItem = oItem.parentElement;
    }
    
    switch (expandDirection)
    {
      case 'belowleft': 
        newLeft = aspnm_pageX(oItem); 
        if (newLeft + oSubGroup.offsetWidth > window.document.body.clientWidth)
        {
          newLeft = aspnm_pageX(oItem) + oItem.offsetWidth - oSubGroup.offsetWidth; 
        }
        newTop = aspnm_pageY(oItem) + oItem.offsetHeight; 
        break; 
      case 'belowright': 
        newLeft = aspnm_pageX(oItem) + oItem.offsetWidth - oSubGroup.offsetWidth; 
        newTop =  aspnm_pageY(oItem) + oItem.offsetHeight; 
        break; 
      case 'aboveleft': 
        newLeft = aspnm_pageX(oItem); 
        newTop =  aspnm_pageY(oItem) - oSubGroup.offsetHeight; 
        break; 
      case 'aboveright': 
        newLeft = aspnm_pageX(oItem) + oItem.offsetWidth - oSubGroup.offsetWidth; 
        newTop =  aspnm_pageY(oItem) - oSubGroup.offsetHeight; 
        break; 
      case 'rightdown': 
        newLeft = aspnm_pageX(oItem) + oItem.offsetWidth; 
        if (newLeft + oSubGroup.offsetWidth > window.document.body.clientWidth)
        {
          newLeft = aspnm_pageX(oItem) - oSubGroup.offsetWidth;
        }
        newTop = aspnm_pageY(oItem); 
        if (newTop + oSubGroup.offsetHeight > window.document.body.clientHeight)
        {
          newTop = aspnm_pageY(oItem) - oSubGroup.offsetHeight + oItem.offsetHeight; 
        }
        break; 
      case 'rightup': 
        newLeft = aspnm_pageX(oItem) + oItem.offsetWidth; 
        newTop = aspnm_pageY(oItem) - oSubGroup.offsetHeight + oItem.offsetHeight; 
        break; 
      case 'leftdown': 
        newLeft = aspnm_pageX(oItem) - oSubGroup.offsetWidth; 
        newTop = aspnm_pageY(oItem); 
        break; 
      case 'leftup': 
        newLeft = aspnm_pageX(oItem) - oSubGroup.offsetWidth; 
        newTop = aspnm_pageY(oItem) - oSubGroup.offsetHeight + oItem.offsetHeight; 
        break; 
      default: 
        newLeft = aspnm_pageX(oItem) + oItem.offsetWidth; 
        newTop = aspnm_pageY(oItem); 
        break; 
    }  
    newLeft += horAdj; 
    newTop += verAdj; 
    if (newTop < 0) 
    {
      newTop = 0; 
    }
    if (newLeft < 0) 
    {
      newLeft = 0; 
    }
    
    oSubGroup.style.left = newLeft + 'px'; 
    oSubGroup.style.top = newTop + 'px';
      
    aspnm_startExpand(subGroup, expandDelay, effect); 
  }
}

// If the mouse pointer is not over the given item or its subGroup, 
// this function initiates the collapse of the subGroup. 
function aspnm_itemMsOut(item, group, subGroup, expandDelay, effect)
{
  if (!event)
  {
    return;
  }
  if (!subGroup || !item)
  {
    return;
  }
  if (document.all[item].contains(event.toElement))
  {
    return; //onmouseout internal to menu item
  }
  if (document.all[subGroup].contains(event.toElement))
  {
    return; //moving into subgroup
  }
  aspnm_curItem = ''; 
  aspnm_startCollapse(subGroup, expandDelay, effect);
}

// This event handler is only called on expandable groups. If collapseAll is pending, it sets the 
// global variable aspnm_restoredGroup to the given group, so that the group and its parent groups 
// are not collapsed. It also stops the collapse if it has been issued for this group. 
function aspnm_groupMsOver(group)
{
  if (aspnm_collapsingAll)
  {
    aspnm_restoredGroup = group;
  }

  if (aspnm_collapsingGroup == group) 
  {
    aspnm_stopCollapse(); 
    aspnm_stopExpand(); 
  }
}

// If the mouse pointer is on the given group, its subGroup, or its parent item this function 
// does nothing. If the pointer is over the parent group, but outside the parent item, then it
// initiates the collapse of itself and its subGroup (if any). 
// Otherwise, the pointer is outside the menu structure and it initiates the collapse of all 
// expanded objects. 
function aspnm_groupMsOut(group, parentItem, parentGroup, expandDelay, effect)
{ 
  if (document.all[group].contains(event.toElement))
  {
    return; //internal onmouseout
  }

  aspnm_curItem = ''; 

  var subGroup = aspnm_expandedObjects[aspnm_expandCount]; 
  if (subGroup == group)
  {
    subGroup = null;
  }

  if (parentItem == null && parentGroup == null)
  {
    aspnm_startCollapseAll(expandDelay, effect);
  }
  else if (document.all[subGroup] && document.all[subGroup].contains(event.toElement) || document.all[parentItem] && document.all[parentItem].contains(event.toElement))
  {
    ; // do nothing
  }
  else if (document.all[parentGroup].contains(event.toElement))
  {
    aspnm_startCollapse(group, expandDelay, effect); 
    aspnm_startCollapse(subGroup, expandDelay, effect); 
  }
  else
  {
    aspnm_startCollapseAll(expandDelay, effect);
  }
}

// Expand/collapse timer functinos ----------------------------------------------------------------

// Initiates the expand of the given group. 
function aspnm_startExpand(group, interval, effect)
{
  if (group == aspnm_collapsingGroup)
  {
    aspnm_stopCollapse();
  }
  if (group != aspnm_expandingGroup)
  {
    aspnm_stopExpand();
  }
  
  aspnm_restoredGroup = group; 
  
  aspnm_expandingGroup = group; 
  if (group)
  {
    group += '.id';
  }
  if (effect)
  {
    effect = "'" + effect + "'";
  }
  aspnm_expandTimerID = setTimeout('aspnm_expand(' + group + ', ' + effect + ')', interval); 
}

// Initiates the collapse of the given group. 
function aspnm_startCollapse(group, interval, effect)
{
  if (group == aspnm_expandingGroup)
  {
    aspnm_stopExpand(); 
  }

  if (group) 
  {
    if (document.all[group].style.visibility == 'visible') 
    {
      aspnm_collapsingGroup = group; 
      group += '.id'; 
      if (effect)
      {
        effect = "'" + effect + "'";
      }
      aspnm_collapseTimerID = setTimeout('aspnm_collapse(' + group + ', ' + effect + ')', interval); 
    }
  }
}

// Initiates the collapse of all expanded objects. 
function aspnm_startCollapseAll(interval, effect)
{
  aspnm_stopCollapse(); 
  aspnm_stopExpand(); 
  aspnm_stopCollapseAll(); 

  aspnm_collapsingAll = true; 
  if (effect) 
  {
    effect = "'" + effect + "'";  
    aspnm_collapseAllTimerID = setTimeout('aspnm_collapseAll(' + effect + ')', interval); 
  }
  else
  {
    aspnm_collapseAllTimerID = setTimeout('aspnm_collapseAll(null)', interval); 
  }
}

// Stops the expand of the currently expanding group. 
function aspnm_stopExpand()
{
  clearTimeout(aspnm_expandTimerID); 
  aspnm_expandingGroup = ''; 
}

// Stops the collapse of the currently collapsing group. 
function aspnm_stopCollapse()
{
  clearTimeout(aspnm_collapseTimerID); 
  aspnm_collapsingGroup = ''; 
}

// Stops the collapse of all currently expanding objects. 
function aspnm_stopCollapseAll()
{
  clearTimeout(aspnm_collapseAllTimerID); 
  aspnm_restoredGroup = '';
}


// Core functions ---------------------------------------------------------------------------------

// Expands the given menu group 
function aspnm_expand(group, effect)
{
  if (document.all[group].style.visibility != 'visible')
  {
    aspnm_hideSelectElements(group); 
    aspnm_showOverlay(document.all[group]);
    if (effect) 
    {
      document.all[group].style.filter = effect; 
      document.all[group].filters[0].Apply(); 
    }  
    document.all[group].style.visibility = 'visible'; 
    aspnm_makeDropShadow(group); 
    if (effect)
    {
      document.all[group].filters[0].Play(); 
    }
    aspnm_expandCount++; 
    aspnm_expandedObjects[aspnm_expandCount] = group;
    if (aspnm_highlightExpanded)
    {
      document.all[group]['aspnm_expanded'] = true;
    }
  }  
}

// Collapses the given menu group 
function aspnm_collapse(group, effect)
{
  if (group) 
  {
    if (document.all[group].style.visibility != 'hidden')
    {
      if (effect)
      {
        document.all[group].style.filter = effect; 
        document.all[group].filters[0].Apply(); 
      }
      document.all[group].style.visibility = 'hidden';     
      if (effect)
      {
        document.all[group].filters[0].Play();
      }
      if (aspnm_expandedObjects[aspnm_expandCount] != group)
      {
        for (var i=0; i<aspnm_expandCount; i++)
        {
          if (aspnm_expandedObjects[i] == group)
          {
            aspnm_expandedObjects[i] = aspnm_expandedObjects[aspnm_expandCount];
          }
        }
      }
      aspnm_expandCount--; 
      aspnm_hideOverlay(document.all[group]);
      aspnm_clearDropShadow(group); 
      if (aspnm_highlightExpanded)
      {
        document.all[group]['aspnm_expanded'] = false;
        document.all[group]['aspnm_parentitem'].onmouseout();
      }
    }      
  }
  if (!(aspnm_contextUp) && aspnm_expandCount == 0) 
  {
    aspnm_restoreSelectElements(); 
  }
}

// Collapses all expanded menu groups 
function aspnm_collapseAll(effect)
{
  for (var i = aspnm_expandCount; i >= 1; i--)
  {
    if (aspnm_expandedObjects[i] == aspnm_restoredGroup)
    {
      break; 
    }

    if (effect)
    {
      document.all[aspnm_expandedObjects[i]].style.filter = effect; 
      document.all[aspnm_expandedObjects[i]].filters[0].Apply(); 
    }
    document.all[aspnm_expandedObjects[i]].style.visibility = 'hidden';
    aspnm_hideOverlay(document.all[aspnm_expandedObjects[i]]);
    aspnm_clearDropShadow(aspnm_expandedObjects[i]); 
    if (effect)
    {
      document.all[aspnm_expandedObjects[i]].filters[0].Play(); 
    }
    if (aspnm_highlightExpanded)
    {
      document.all[aspnm_expandedObjects[i]]['aspnm_expanded'] = false;
      document.all[aspnm_expandedObjects[i]]['aspnm_parentitem'].onmouseout();
    }
  }

  aspnm_collapsingAll = false; 
  aspnm_expandCount = i;
  aspnm_restoredGroup = ''; 
  if (!(aspnm_contextUp) && aspnm_expandCount == 0) 
  {
    aspnm_restoreSelectElements(); 
  }
}

// Hides all menu groups prior to calling ClientSideOnClick event handler
function aspnm_hideAllGroups()
{
  aspnm_curItem = ''; 
  aspnm_restoredGroup = ''; 
  aspnm_collapseAll(null); 
}

// Utilities --------------------------------------------------------------------------------------

// Updates menu item class, left icon, and right icon 
function aspnm_updateCell(direction, item, cssClass, leftIconId, leftIconSrc, rightIconId, rightIconSrc, imageId, imageSrc, 
  cssClassExp, leftIconSrcExp, rightIconSrcExp, imageSrcExp)
{ 
  if (item == null)
  {
    return;
  }
  var itemO = document.all[item];
  if (direction == 'out' && event && itemO.contains(event.toElement))
  {
    return;
  }
  if (direction == 'over' && event && itemO.contains(event.fromElement))
  {
    return;
  }
  if (aspnm_highlightExpanded && itemO['aspnm_subgroup'] && itemO['aspnm_subgroup']['aspnm_expanded'])
  {
    if (cssClassExp != null && cssClassExp != '')
    {
      itemO.className = cssClassExp;
    }
    else if (cssClass != null && cssClass != '')
    {
      itemO.className = cssClass;
    }
    if (leftIconId != null)
    {
      if (leftIconSrcExp != null && leftIconSrcExp != '')
      {
        document.images[leftIconId].src = leftIconSrcExp;
      }
      else if (leftIconSrc != null && leftIconSrc != '')
      {
        document.images[leftIconId].src = leftIconSrc;
      }
    }
    if (rightIconId != null)
    {
      if (rightIconSrcExp != null && rightIconSrcExp != '')
      {
        document.images[rightIconId].src = rightIconSrcExp;
      }
      else if (rightIconSrc != null && rightIconSrc != '')
      {
        document.images[rightIconId].src = rightIconSrc;
      }
    }
    if (imageId != null)
    {
      if (imageSrcExp != null && imageSrcExp != '')
      {
        document.images[imageId].src = imageSrcExp;
      }
      else if (imageSrc != null && imageSrc != '')
      {
        document.images[imageId].src = imageSrc;
      }
    }
  }
  else  
  {    
    if (cssClass != null && cssClass != '')
    {
      itemO.className = cssClass;
    }
    if (leftIconId != null  && leftIconSrc != null && leftIconSrc != '')
    {
      document.images[leftIconId].src = leftIconSrc;
    }
    if (rightIconId != null && rightIconSrc != null && rightIconSrc != '')
    {
      document.images[rightIconId].src = rightIconSrc;   
    }
    if (imageId != null && imageSrc != null && imageSrc != '') 
    {
      document.images[imageId].src = imageSrc;
    }
  }
}

// Calculates the absolute page x coordinate of any element
function aspnm_pageX(o)
{
  return ( aspnm_mac ? aspnm_macX(o) : aspnm_ie4 ? aspnm_winIE4X(o) : aspnm_winX(o) );
}

// Calculates the absolute page y coordinate of any element
function aspnm_pageY(o)
{
  return ( aspnm_mac ? aspnm_macY(o) : aspnm_ie4 ? aspnm_winIE4Y(o) : aspnm_winY(o) );
}

// Calculates the absolute page x coordinate of given element for Windows clients
function aspnm_winX(o)
{
  var x = 0;
  while (o.offsetParent != null)
  {
    x += o.offsetLeft;
    if (o.offsetParent.tagName != "TABLE" && o.offsetParent.tagName != "TD" && o.offsetParent.tagName != "TR" && o.offsetParent.currentStyle != null)
    {
      var parentBorderLeft = parseInt(o.offsetParent.currentStyle.borderLeftWidth);
      if (!isNaN(parentBorderLeft))
      {
        x += parentBorderLeft;
      }
    }
    if (o.offsetParent.tagName == "TABLE" && o.offsetParent.border > 0)
    {
      x += 1;
    }
    o = o.offsetParent;
  }
  if (document.compatMode == "CSS1Compat" && o == document.body)
  {
    var bodyMarginLeft = parseInt(o.currentStyle.marginLeft);
    if (!isNaN(bodyMarginLeft))
    {
      x += bodyMarginLeft;
    }
  }
  return x;
}

// Calculates the absolute page y coordinate of given element for Windows clients
function aspnm_winY(o)
{
  var y = 0;
  while (o.offsetParent != null)
  {
    y += o.offsetTop;
    if (o.offsetParent.tagName != "TABLE" && o.offsetParent.tagName != "TD" && o.offsetParent.tagName != "TR" && o.offsetParent.currentStyle != null)
    {
      var parentBorderTop = parseInt(o.offsetParent.currentStyle.borderTopWidth);
      if (!isNaN(parentBorderTop))
      {
        y += parentBorderTop;
      }
    }
    if (o.offsetParent.tagName == "TABLE" && o.offsetParent.border > 0)
    {
      y += 1;
    }
    o = o.offsetParent;
  }
  if (document.compatMode == "CSS1Compat" && o == document.body)
  {
    var bodyMarginTop = parseInt(o.currentStyle.marginTop);
    if (!isNaN(bodyMarginTop))
    {
      y += bodyMarginTop;
    }
  }
  return y;
}

// Calculates the absolute page x coordinate of given element for IE 4 on Windows
function aspnm_winIE4X(o)
{
  var x = 0;
  while (o != document.body)
  {
    x += o.offsetLeft;
    o = o.offsetParent;
  }
  return x;
}

// Calculates the absolute page y coordinate of given element for IE 4 on Windows
function aspnm_winIE4Y(o)
{
  var y = 0;
  while (o != document.body)
  {
    y += o.offsetTop;
    o = o.offsetParent;
  }
  return y;
}

// Calculates the absolute page x coordinate of given element for Mac clients
function aspnm_macX(o)
{
  var x = 0;
  while (o.offsetParent != document.body)
  {
    if ((o.tagName=="TABLE") && (o.offsetParent.tagName=="TD"))
    {
      x += o.clientLeft;
    }
    else
    {
      x += o.offsetLeft;
    }
    o = o.offsetParent;
  }
  x += (o.offsetLeft + aspnm_pgMrgX());
  return x;
}

// Calculates the absolute page y coordinate of given element for Mac clients
function aspnm_macY(o)
{
  var y = 0;
  while (o.offsetParent != document.body)
  {
    if ((o.tagName=="TABLE") && (o.offsetParent.tagName=="TD"))
    {
      y += o.clientTop;
    }
    else
    {
      y += (o.tagName!="TD") ? o.offsetTop : o.parentElement.offsetTop;
    }
    o = o.offsetParent;
  }
  y += (o.offsetTop + aspnm_pgMrgY());
  return y;
}

// Returns the body's left margin in pixels (Only used on Mac)
function aspnm_pgMrgX()
{
  if (aspnm_marginX == null)
  {
    if (!document.all["aspnm_pgMrgMsr"])
    {
      aspnm_createPgMrgMsr();
    }
    aspnm_marginX = -document.all["aspnm_pgMrgMsr"].offsetLeft;
  }
  return aspnm_marginX;
}

// Returns the body's top margin in pixels (Only used on Mac)
function aspnm_pgMrgY()
{
  if (aspnm_marginY == null)
  {
    if (!document.all["aspnm_pgMrgMsr"])
    {
      aspnm_createPgMrgMsr();
    }
    aspnm_marginY = -document.all["aspnm_pgMrgMsr"].offsetTop;
  }
  return aspnm_marginY;
}

// Creates the hidden element necessary to measure the body's margins (Only used on Mac)
function aspnm_createPgMrgMsr()
{
  document.body.insertAdjacentHTML('beforeEnd',
    '<div id="aspnm_pgMrgMsr" style="position:absolute;left:0;top:0;z-index:-1000;visibility:hidden">*</div>');
}

// Hides HTML select elements that are overlapping the given menu group 
function aspnm_hideSelectElements(group)
{
  if (aspnm_hideSelectElems && document.getElementsByTagName) 
  {
    var arrElements = document.getElementsByTagName('select'); 
    for (var i = 0; i < arrElements.length; i++) 
    {
      if (aspnm_objectsOverlapping(document.all[group], arrElements[i]))
      {
        arrElements[i].style.visibility = 'hidden';          
      }
    }
  }
}

// Restores all HTML select elements on the page 
function aspnm_restoreSelectElements()
{
  if (aspnm_hideSelectElems && document.getElementsByTagName) 
  {
    var arrElements = document.getElementsByTagName('select'); 
    for (var i = 0; i < arrElements.length; i++) 
    {
      arrElements[i].style.visibility = 'inherit'; 
    }
  }
}

// Shows a windowed control overlay for the given group
function aspnm_showOverlay(group)
{
  if (!aspnm_overlayWindowed) 
  {
    return;
  }
  var overid = group.id + "_over";
  if (!document.all[overid])
  {
    document.body.insertAdjacentHTML("beforeEnd","<iframe id='" +overid+ "' src='javascript:void 0;' style='position:absolute;left:0px;top:0x;z-index:990;display:none' scrolling='no' frameborder='0'></iframe>");
  }
  if (document.all[overid])
  {
    var overs = document.all[overid].style;
    overs.top = group.style.top;
    overs.left = group.style.left;
    overs.width = group.offsetWidth + (aspnm_shadowEnabled ? aspnm_shadowOffest : 0);
    overs.height = group.offsetHeight + (aspnm_shadowEnabled ? aspnm_shadowOffest : 0);
    overs.filter = 'progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)';
    overs.display = 'block';
  }
}

// Hides a windowed control overlay for the given group
function aspnm_hideOverlay(group)
{
  if (!aspnm_overlayWindowed) return;
  var overid = group.id + "_over";
  if (document.all[overid])
  {
    document.all[overid].style.display = 'none';
  }
}

// Whether the given objects are overlapping 
function aspnm_objectsOverlapping(obj1, obj2)
{
  var result = true; 
  var obj1Left = aspnm_pageX(obj1) - window.document.body.scrollLeft; 
  var obj1Top = aspnm_pageY(obj1) - window.document.body.scrollTop; 
  var obj1Right = obj1Left + obj1.offsetWidth; 
  var obj1Bottom = obj1Top + obj1.offsetHeight;
  var obj2Left = aspnm_pageX(obj2) - window.document.body.scrollLeft; 
  var obj2Top = aspnm_pageY(obj2) - window.document.body.scrollTop; 
  var obj2Right = obj2Left + obj2.offsetWidth; 
  var obj2Bottom = obj2Top + obj2.offsetHeight;
  
  if (obj1Right <= obj2Left || obj1Bottom <= obj2Top || obj1Left >= obj2Right || obj1Top >= obj2Bottom)
  {
    result = false; 
  }
  return result; 
}

// Creates a drop shadow for an object 
function aspnm_makeDropShadow(objName)
{
  if (aspnm_shadowEnabled) 
  {
    aspnm_shadows[objName] = new Array(); 
    for (var i = aspnm_shadowOffest; i > 0; i--)
    {
      var obj = document.all[objName]; 
      var rect = document.createElement('div');
      var rs = rect.style
      rs.position = 'absolute';
      rs.left = (obj.style.posLeft + i) + 'px';
      rs.top = (obj.style.posTop + i) + 'px';
      rs.width = obj.offsetWidth + 'px';
      rs.height = obj.offsetHeight + 'px';
      rs.zIndex = obj.style.zIndex - i;
      rs.backgroundColor = aspnm_shadowColor;
      var opacity = 1 - i / (i + 1);
      rs.filter = 'alpha(opacity=' + (100 * opacity) + ')';
      obj.insertAdjacentElement('afterEnd', rect);
      aspnm_shadows[objName][aspnm_shadows[objName].length] = rect; 
    }
  }
}

// Clears the drop shadow for the given object 
function aspnm_clearDropShadow(objName)
{
  if (aspnm_shadowEnabled) 
  {
    var curShadow; 
    for (var i = 0; i < aspnm_shadows[objName].length; i++)
    {
      curShadow = aspnm_shadows[objName][i]; 
      curShadow.style.filter = 'alpha(opacity=0)'; 
      curShadow.removeNode(true); 
    }
  }  
}

// Positions the menu based on the alignment, offsetX, and offsetY properties
function aspnm_positionMenu(menu, alignment, offsetX, offsetY)
{
  var scrlLeft = 0; 
  var scrlTop = 0;
  var clientW = window.document.body.clientWidth; 
  var clientH = window.document.body.clientHeight; 
  var menuWidth = menu.offsetWidth; 
  var menuHeight = menu.offsetHeight; 
  var newLeft = 0; 
  var newTop = 0; 

  switch (alignment)
  {
    case 'topleft': 
      newLeft = scrlLeft;
      newTop = scrlTop;
      break; 
    case 'topmiddle': 
      newLeft = (clientW - menuWidth) / 2 + scrlLeft;
      newTop = scrlTop;
      break; 
    case 'topright': 
      newLeft = clientW + scrlLeft - menuWidth;
      newTop = scrlTop;
      break; 
    case 'bottomleft': 
      newLeft = scrlLeft;
      newTop = clientH + scrlTop - menuHeight;
      break; 
    case 'bottommiddle': 
      newLeft = (clientW - menuWidth) / 2 + scrlLeft;
      newTop = clientH + scrlTop - menuHeight;
      break; 
    case 'bottomright': 
      newLeft = clientW + scrlLeft - menuWidth;
      newTop = clientH + scrlTop - menuHeight;
      break; 
    default: 
      newLeft = clientW + scrlLeft;
      newTop = clientH + scrlTop;
      break; 
  }    
  
  newLeft += offsetX; 
  newTop += offsetY; 
  menu.style.left = newLeft; 
  menu.style.top = newTop; 
}

// Determines whether the mouse pointer is currently over the given object.
// Currently used only by control-specific context menus.
function aspnm_isMouseOnObject(objName)
{
  if (!objName)
  {
    return false; // EXIT HERE
  }
  var obj = document.all[objName];
  if (!obj)
  {
    return false; // EXIT HERE
  }
  
  if (aspnm_mac && obj.tagName=="TABLE" && obj.parentElement.tagName=="TD")
  {
    obj = obj.parentElement;
  }

  var objLeft = aspnm_pageX(obj) - window.document.body.scrollLeft + 1; 
  var objTop = aspnm_pageY(obj) - window.document.body.scrollTop + 1; 
  var objRight = objLeft + obj.offsetWidth - 1; 
  var objBottom = objTop + obj.offsetHeight - 1;
    
  var ex = (aspnm_mac) ? event.x+2 : event.x;
  var ey = (aspnm_mac) ? event.y+2 : event.y;
  
  return ( (ex > objLeft) && (ex < objRight) && (ey > objTop) && (ey < objBottom) ); 
}

// Modifies document.onkeydown to enable keyboard shortcut access to the menu.
// Old document.onkeydown will be called only for keys not handled by the menu.
function aspnm_registerOnKeyDownListener()
{
  aspnm_documentOnKeyDown = document.onkeydown;
  document.onkeydown = aspnm_onKeyDownListener;
}

// Check whether the menu has a shortcut corresponding to the current keydown.
function aspnm_onKeyDownListener()
{
  for (var i=0; i<aspnm_accessKeys.length; i++)
  {
    if (aspnm_accessKeys[i][0]==event.keyCode && aspnm_accessKeys[i][1]==event.altKey && aspnm_accessKeys[i][2]==event.ctrlKey && aspnm_accessKeys[i][3]==event.shiftKey)
    {
      aspnm_processOnKeyDown(document.all[aspnm_accessKeys[i][4]]);
      event.cancelBubble = true;
      event.keyCode = 0;
      return false; // EXIT, canceling the bubbling of onKeyDown
    }
  }
  if (aspnm_documentOnKeyDown != null)
  {
    return aspnm_documentOnKeyDown(); // EXIT, running the previous event handler
  }
  return true; // EXIT and do not cancel the bubbling of onKeyDown
}

// Artificially simulate the click on the given menu item.
function aspnm_processOnKeyDown(item)
{
  if (item.onclick)
  {
    item.onclick();
  }
  else if (item.children[0].tagName=="A" && item.children[0].href!=null && item.children[0].href!="")
  {
    // Some Image items have a different structure, and are clicked via an <a> tag's href property.
    eval(item.children[0].href);
  }  
}

// Moves the element with the given id into the body or form, to make positioning easier
function aspnm_moveSubgroups(subgroupsId)
{
  var subgroups = document.getElementById(subgroupsId);
  var target = (document.forms.length>0) ? document.forms[0] : document.body;
  if (aspnm_mac)
  {
    target.insertAdjacentHTML('afterBegin',subgroups.innerHTML);
    subgroups.innerHTML = '';
  }
  else
  {
    target.insertAdjacentElement('afterBegin',subgroups);
  }
}