//*****************************************************************************
// Do not remove this notice.
//
// Copyright 2000-2004 by Mike Hall.
// See http://www.brainjar.com for terms of use.
//*****************************************************************************

/********************************************
 * METHOD EXTENSIONS:
 * setMainMenuPosition, setMainMenuIframeEl, getMainMenuButtonOrientation, setSubMenuPosition, setIframeEl,
 * getDocumentWidthLimit, getDocumentHeightLimit, getWidthLimitByElement, getViewportHeight, getViewportWidth,
 * topScrolled, widthScrolled, killBubble
 * 
 * MODIFIED
 *  menuItemMouseover
 *  menuInit
 *  buttonMouseover
 *  buttonClick
 *  closeSubMenu
 *
 * NOTES
 *  Added focus/blur control to avoid cursor blinking through Menus.
 *  Explictly set the zIndex of the frameEl in IE Browsers to 1 to instantiate rendering.
 *
 * Provided by:
 *   Cornel Boudria
 *   3PRIME, LLC.
 ********************************************
 */


//----------------------------------------------------------------------------
// Code to determine the browser and version.
//----------------------------------------------------------------------------

function Browser() {

  var ua, s, i;

  this.isIE    = false;  // Internet Explorer
  this.isOP    = false;  // Opera
  this.isNS    = false;  // Netscape
  this.version = null;

  ua = navigator.userAgent;

  s = "Opera";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isOP = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  // Treat any other "Gecko" browser as Netscape 6.1.

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }

  s = "MSIE";
  if ((i = ua.indexOf(s))) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }
}

var browser = new Browser();

//----------------------------------------------------------------------------
// Code for handling the menu bar and active button.
//----------------------------------------------------------------------------

var activeButton = null;

function buttonClick(event, menuId) {

  var button;

  // Get the target button element.

  if (browser.isIE)
    button = window.event.srcElement;
  else
    button = event.currentTarget;

  // Blur focus from the link to remove that annoying outline.

  button.blur();

  // Associate the named menu to this button if not already done.
  // Additionally, initialize menu display.

  if (button.menu == null) {
    button.menu = document.getElementById(menuId);

    if( !button.menu ) return false;

    if (button.menu.isInitialized == null)
      menuInit(button.menu);
  }

  // [MODIFIED] Added for activate/deactivate on mouseover.

  // Set mouseout event handler for the button, if not already done.

  if (button.onmouseout == null)
    button.onmouseout = buttonOrMenuMouseout;

  // Exit if this button is the currently active one.

  if (button == activeButton)
    return false;

  // [END MODIFIED]

  // Reset the currently active button, if any.

  if (activeButton != null)
    deactivateButton(activeButton);

  // Activate this button, unless it was the currently active one.

  if (button != activeButton) {
    /**
     * Get the Main Menu Orientation, relative to it's button activator
     * The orientation in an optional 2ND [string] Parameter, with the default being 'top'
     */
    var int_orientation_arg_index = 2;
    orientation = getMainMenuButtonOrientation( arguments[int_orientation_arg_index] );

    activateButton(button, orientation);
    activeButton = button;
  }
  else
    activeButton = null;

  return false;
}

function buttonMouseover(event, menuId) {

  var button;

  // [MODIFIED] Added for activate/deactivate on mouseover.

  // Activates this button's menu if no other is currently active.
  
  /**
   * Get the Main Menu Orientation, relative to it's button activator
   * The orientation in an optional 2ND [string] Parameter, with the default being 'top'
   */
  var int_orientation_arg_index = 2;
  orientation = getMainMenuButtonOrientation( arguments[int_orientation_arg_index] );

  if (activeButton == null) {
    buttonClick(event, menuId, orientation);
    return;
  }

  // [END MODIFIED]

  // Find the target button element.

  if (browser.isIE)
    button = window.event.srcElement;
  else
    button = event.currentTarget;

  // If any other button menu is active, make this one active instead.

  if (activeButton != null && activeButton != button)
    buttonClick(event, menuId, orientation);
}

function activateButton(button, orientation) {

  var x, y;

  // Update the button's style class to make it look like it's
  // depressed.

  button.className += " menuButtonActive";

  // [MODIFIED] Added for activate/deactivate on mouseover.

  // Set mouseout event handler for the button, if not already done.

  if (button.onmouseout == null)
    button.onmouseout = buttonOrMenuMouseout;
  if (button.menu.onmouseout == null)
    button.menu.onmouseout = buttonOrMenuMouseout;

  // [END MODIFIED]
  
  /*[START MODIFIED]*/
  // Position the associated drop down relative to the specified button orientation
  setMainMenuPosition( button, orientation );

  /*[END MODIFIED]*/
}

function setMainMenuPosition( oButton, forientation ) {
  // Set the x, y coordinates for the main menu according to
  // the Button Orientation parameter
  
  // In order to avoid a bliking cursor bleeding through the main main/submenus,
  // Change the page focus to the refernenced button, then unfocus [blur] the button
  // to avoid polluting the rendering space for the button
  oButton.focus(); oButton.blur();
  
  switch( forientation ) {
    case 'bottom':
	  x = getPageOffsetLeft(oButton);
      y = getPageOffsetTop(oButton) + oButton.offsetHeight;
	break;
	case 'right':
	  x = getPageOffsetLeft(oButton) + oButton.offsetWidth;
      y = getPageOffsetTop(oButton);
	break;
	case 'top':
	  old_display = oButton.menu.style.display;
	  oButton.menu.style.display = "block";
	  x = getPageOffsetLeft(oButton);
      y = getPageOffsetTop(oButton) - oButton.menu.offsetHeight;
	  oButton.menu.style.display = old_display;
	break;
	case 'left':
	  old_display = oButton.menu.style.display;
	  oButton.menu.style.display = "block";
	  x = getPageOffsetLeft(oButton) - oButton.menu.offsetWidth;
      y = getPageOffsetTop(oButton);
	  oButton.menu.style.display = old_display;
	break;
	default:
	  x = getPageOffsetLeft(oButton);
      y = getPageOffsetTop(oButton) + oButton.offsetHeight;
	break;
  }

  if (browser.isIE) {
    x += oButton.offsetParent.clientLeft;
    y += oButton.offsetParent.clientTop;
    if( browser.version < 7 ) y -= 2;
  }
  // de aici se ajusteaza top si left unde trebuie sa apara submeniul
 // y = y+9;
  oButton.menu.style.left = x + "px";
  oButton.menu.style.top  = y + "px";
  oButton.menu.style.display = "block";  
  oButton.menu.style.visibility = "visible";
  
  if (oButton.menu.iframeEl != null) setMainMenuIframeEl( oButton );
}

function setMainMenuIframeEl( foButton ) {  
  foButton.menu.iframeEl.style.left = foButton.menu.style.left;
  foButton.menu.iframeEl.style.top  = foButton.menu.style.top;
  foButton.menu.iframeEl.style.width  = foButton.menu.offsetWidth + "px";
  foButton.menu.iframeEl.style.height = foButton.menu.offsetHeight + "px";
  foButton.menu.iframeEl.style.display = "block";
  foButton.menu.iframeEl.style.visibility = "visible";
}

function getMainMenuButtonOrientation( fOrientation ) {
  // The default orientation is the bottom of the registration button.
  var default_orientation = 'bottom';
  
  switch( fOrientation ) {
    case 'top': orientation = fOrientation; break;
	case 'right': orientation = fOrientation; break;
	case 'bottom': orientation = fOrientation; break;
	case 'left': orientation = fOrientation; break;
	default: orientation = default_orientation; break;
  }  
/*  
  arg_orientation = fOrientation;
  orientation = ( !arg_orientation || arg_orientation == '' || arg_orientation == false ) ? 'top' : arg_orientation;
  orientation = ( orientation != 'top' && orientation != 'right' ) ? default_orientation : orientation;
*/
  return orientation;
}

function deactivateButton(button) {

  // Restore the button's style class.

  removeClassName(button, "menuButtonActive");

  // Hide the button's menu, first closing any sub menus.

  if (button.menu != null) {
    closeSubMenu(button.menu);
    button.menu.style.visibility = "hidden";

    // For IE, hide menu's IFRAME as well.

    if (button.menu.iframeEl != null)
      button.menu.iframeEl.style.display = "none";
	
	button.menu.style.display = "none";
  }
}

//----------------------------------------------------------------------------
// Code to handle the menus and sub menus.
//----------------------------------------------------------------------------

function menuMouseover(event) {

  var menu;

  // Find the target menu element.

  if (browser.isIE)
    menu = getContainerWith(window.event.srcElement, "DIV", "menu");
  else
    menu = event.currentTarget;

  // Close any active sub menu.

  if (menu.activeItem != null)
    closeSubMenu(menu);
}

function menuItemMouseover(event, menuId) {

  var item, menu, x, y;

  // Find the target item element and its parent menu element.

  if (browser.isIE)
    item = getContainerWith(window.event.srcElement, "A", "menuItem");
  else
    item = event.currentTarget;
  menu = getContainerWith(item, "DIV", "menu");

  // Close any active sub menu and mark this one as active.

  if (menu.activeItem != null)
    closeSubMenu(menu);
  menu.activeItem = item;

  // Highlight the item element.

  item.className += " menuItemHighlight";

  // Initialize the sub menu, if not already done.

  if (item.subMenu == null) {
    item.subMenu = document.getElementById(menuId);
    if (item.subMenu.isInitialized == null)
      menuInit(item.subMenu);
  }

  // [MODIFIED] Added for activate/deactivate on mouseover.

  // Set mouseout event handler for the sub menu, if not already done.

  if (item.subMenu.onmouseout == null)
    item.subMenu.onmouseout = buttonOrMenuMouseout;

  // [END MODIFIED]

  setSubMenuPosition( menu, item );

  // Stop the event from bubbling.
  killBubble(event);
}

/* Set the x, y Coordinates for the Menu attached to the provided oItem Element Reference */
function setSubMenuPosition( containerMenu, oItem ) {
  x = getPageOffsetLeft(oItem) + oItem.offsetWidth ;
  y = getPageOffsetTop(oItem);

  // Adjust position to fit in view.

  var maxX, maxY;
  
  maxX = getDocumentWidthLimit();
  maxY = getDocumentHeightLimit();
  
  /* Activate the submenu's Viewport Space by setting its display property */
  oItem.subMenu.style.display = "block";

  maxX -= oItem.subMenu.offsetWidth;
  maxY -= oItem.subMenu.offsetHeight;

  if (x > maxX)
    x = Math.max(0, x - oItem.offsetWidth - oItem.subMenu.offsetWidth
      + (containerMenu.offsetWidth - oItem.offsetWidth));
  y = Math.max(0, Math.min(y, maxY));

  // Position and show the sub menu.
  oItem.subMenu.style.left       = x + "px";
  oItem.subMenu.style.top        = y + "px";
  oItem.subMenu.style.visibility = "visible";

  // For IE; size, position and display the menu's IFRAME as well.
  if (oItem.subMenu.iframeEl != null) setIframeEl(oItem);

}

/**
 * Set the size, position, and display of the
 * IFRAME for the oItem Element Reference's Menu
 */
function setIframeEl( oItem ) {
  oItem.subMenu.iframeEl.style.left    = oItem.subMenu.style.left;
  oItem.subMenu.iframeEl.style.top     = oItem.subMenu.style.top;
  oItem.subMenu.iframeEl.style.width   = oItem.subMenu.offsetWidth + "px";
  oItem.subMenu.iframeEl.style.height  = oItem.subMenu.offsetHeight + "px";
  oItem.subMenu.iframeEl.style.display = "block";
  oItem.subMenu.iframeEl.style.visibility = "visible";
}

function closeSubMenu(menu) {

  if (menu == null || menu.activeItem == null)
    return;

  // Recursively close any sub menus.

  if (menu.activeItem.subMenu != null) {
    closeSubMenu(menu.activeItem.subMenu);
    menu.activeItem.subMenu.style.visibility = "hidden";

    // For IE, hide the sub menu's IFRAME as well.

    if (menu.activeItem.subMenu.iframeEl != null)
      menu.activeItem.subMenu.iframeEl.style.display = "none";

    /*[START MODIFIED]*/ menu.activeItem.subMenu.style.display = "none"; /*[END MODIFIED]*/

    menu.activeItem.subMenu = null;
  }

  // Deactivate the active menu item.

  removeClassName(menu.activeItem, "menuItemHighlight");
  menu.activeItem = null;
}

// [MODIFIED] Added for activate/deactivate on mouseover. Handler for mouseout
// event on buttons and menus.

function buttonOrMenuMouseout(event) {

  var el;

  // If there is no active button, exit.

  if (activeButton == null)
    return;

  // Find the element the mouse is moving to.

  if (browser.isIE)
    el = window.event.toElement;
  else if (event.relatedTarget != null)
      el = (event.relatedTarget.tagName ? event.relatedTarget : event.relatedTarget.parentNode);

  // If the element is not part of a menu, reset the active button.

  if (getContainerWith(el, "DIV", "menu") == null) {
    deactivateButton(activeButton);
    activeButton = null;
  }
}

// [END MODIFIED]

//----------------------------------------------------------------------------
// Code to initialize menus.
//----------------------------------------------------------------------------

function menuInit(menu) {

  var itemList, spanList;
  var textEl, arrowEl;
  var itemWidth;
  var w, dw;
  var i, j;

  // For IE, replace arrow characters.
/*
  if (browser.isIE) {
    menu.style.lineHeight = "2.5ex";
    spanList = menu.getElementsByTagName("SPAN");
    for (i = 0; i < spanList.length; i++)
      if (hasClassName(spanList[i], "menuItemArrow")) {
        spanList[i].style.fontFamily = "Webdings";
        spanList[i].firstChild.nodeValue = "4";
      }
  }
*/
  // Find the width of a menu item.

  itemList = menu.getElementsByTagName("A");
  if (itemList.length > 0)
    itemWidth = itemList[0].offsetWidth;
  else
    return;

/*
  // For items with arrows, add padding to item text to make the
  // arrows flush right.

  for (i = 0; i < itemList.length; i++) {
    spanList = itemList[i].getElementsByTagName("SPAN");
    textEl  = null;
    arrowEl = null;
    for (j = 0; j < spanList.length; j++) {
      if (hasClassName(spanList[j], "menuItemText"))
        textEl = spanList[j];
      if (hasClassName(spanList[j], "menuItemArrow"))
        arrowEl = spanList[j];
    }
    if (textEl != null && arrowEl != null) {
      textEl.style.paddingRight = (itemWidth 
        - (textEl.offsetWidth + arrowEl.offsetWidth)) + "px";
      // For Opera, remove the negative right margin to fix a display bug.
      if (browser.isOP)
        arrowEl.style.marginRight = "0px";
    }
  }
*/
  // Fix IE hover problem by setting an explicit width on first item of
  // the menu.

  if (browser.isIE) {
    w = itemList[0].offsetWidth;
    itemList[0].style.width = w + "px";
    dw = itemList[0].offsetWidth - w;
    w -= dw;
    itemList[0].style.width = w + "px";
  }

  // Fix the IE display problem (SELECT elements and other windowed controls
  // overlaying the menu) by adding an IFRAME under the menu.

  if (browser.isIE) {
    var iframeEl = document.createElement("IFRAME");
    iframeEl.frameBorder = 0;
    iframeEl.src = "javascript:;";
    //iframeEl.style.display = "";
    iframeEl.style.position = "absolute";
	iframeEl.style.zIndex = "1";
    iframeEl.style.filter = "progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)";
    menu.iframeEl = menu.parentNode.insertBefore(iframeEl, menu);
  }

  // Mark menu as initialized.

  menu.isInitialized = true;
}

/**
 * Menu Positioning Methods
 */
function getDocumentWidthLimit() {
  maxX = getViewportWidth() + widthScrolled();
  return maxX;
}

function getDocumentHeightLimit() {
  maxY = getViewportHeight() + topScrolled();
  return maxY;
}

function getWidthLimitByElement( srcElement ) {
  // Get Absolute Max X, with Respect to the Document
  maxX = getDocumentWidthLimit();
  
  // Get the registration points of the srcElement
  abs_left_pos = getPageOffsetLeft(srcElement);
  src_width = srcElement.offsetWidth;
  
  max_src_el_x = abs_left_pos + src_width;
  
  max_reg_x = maxX - max_src_el_x;
  
  return max_reg_x;
}

//----------------------------------------------------------------------------
// General utility functions.
//----------------------------------------------------------------------------
if( !window.killBubble )
function killBubble(e) {
  if (!e) var e = window.event;
  e.cancelBubble = true;
  if (e.stopPropagation) e.stopPropagation();
}


function getContainerWith(node, tagName, className) {

  // Starting with the given node, find the nearest containing element
  // with the specified tag name and style class.

  while (node != null) {
    if (node.tagName != null && node.tagName == tagName &&
        hasClassName(node, className))
      return node;
    node = node.parentNode;
  }

  return node;
}

function hasClassName(el, name) {

  var i, list;

  // Return true if the given element currently has the given class
  // name.

  list = el.className.split(" ");
  for (i = 0; i < list.length; i++)
    if (list[i] == name)
      return true;

  return false;
}

function removeClassName(el, name) {

  var i, curList, newList;

  if (el.className == null)
    return;

  // Remove the given class name from the element's className property.

  newList = new Array();
  curList = el.className.split(" ");
  for (i = 0; i < curList.length; i++)
    if (curList[i] != name)
      newList.push(curList[i]);
  el.className = newList.join(" ");
}

function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
}

function getPageOffsetLeft(el) {

  var x;

  // Return the x coordinate of an element relative to the page.

  x = el.offsetLeft;
  if (el.offsetParent != null)
    x += getPageOffsetLeft(el.offsetParent);

  return x;
}

function getPageOffsetTop(el) {

  var y;

  // Return the x coordinate of an element relative to the page.

  y = el.offsetTop;
  if (el.offsetParent != null)
    y += getPageOffsetTop(el.offsetParent);

  return y;
}

/* Return VIEWPORT WIDTH */
if( !window.getViewportWidth ) {
  function getViewportWidth() {

    /* supported in Mozilla, Opera, and Safari */
     if(window.innerWidth)
         return window.innerWidth;
	
    /* supported in standards mode of IE, but not in any other mode */
     if(window.document.documentElement.clientWidth)
         return document.documentElement.clientWidth;
	
    /* supported in quirks mode, older versions of IE, and mac IE (anything else). */
    return window.document.body.clientWidth;
  };
};

/* Return VIEWPORT HEIGHT */
if( !window.getViewportHeight ) {
  function getViewportHeight() {

    /* supported in Mozilla, Opera, and Safari */
     if(window.innerHeight)
         return window.innerHeight;
	
    /* supported in standards mode of IE, but not in any other mode */
     if(window.document.documentElement.clientHeight)
         return document.documentElement.clientHeight;
	
    /* supported in quirks mode, older versions of IE, and mac IE (anything else). */
    return window.document.body.clientHeight;
  };
};

if( !window.topScrolled ) {
  function topScrolled() {
    var y;
    if (self.pageYOffset) {// all except Explorer
	  y = self.pageYOffset;
    }
    else if (document.documentElement && document.documentElement.scrollTop) {// Explorer 6 Strict
      y = document.documentElement.scrollTop;
    }
    else if (document.body) {// all other Explorers
	  y = document.body.scrollTop;
    }

    return y;
  };
};

if( !window.widthScrolled ) {
  function widthScrolled() {
    var x;
    if (self.pageXOffset) // all except Explorer
	  x = self.pageXOffset;
    else if (document.documentElement && document.documentElement.scrollLeft) // Explorer 6 Strict
	  x = document.documentElement.scrollLeft;
    else if (document.body) // all other Explorers
	  x = document.body.scrollLeft;

    return x;
  };
};

/* Unfocus all Forms to remove lbikning cursors... */
if( !window.unfocusForms ) {
  function unfocusForms() {
    var forms = document.getElementsByTagName("FORM");
	for( f=0; f<forms.length; f++ )
	  forms[f].blur();
  };
};