/******************************************************************************

* navbar.js                                                                   *

*                                                                             *

* Copyright 2000 by Mike Hall.                                                *

* Web address: http://www.brainjar.com                                        *

* Last update: March 17, 2000.                                                *

*                                                                             *

* Creates interactive DHTML navigation bars with drop-down menus.             *

* Note: requires dhtmllib.js                                                  *

******************************************************************************/



var navBars = new Array();    // Used to track all navigation bars.



//*****************************************************************************

// NavBarMenuItem constructor.

//*****************************************************************************



function NavBarMenuItem(text, link) {



  this.text = text;    // Item text.

  this.link = link;    // Link URL or JavaScript code.

}



//*****************************************************************************

// NavBarMenu constructor.

//*****************************************************************************



function NavBarMenu(hdrWidth, menuWidth) {



  this.hdrWidth  = hdrWidth;

  this.width     = menuWidth;

  this.height    = 0;



  this.items = new Array();



  // Define methods.



  this.addItem = navBarMenuAddItem;

}



//*****************************************************************************

// NavBarMenu methods.

//*****************************************************************************



function navBarMenuAddItem(item) {



  this.items[this.items.length] = item;

}



//*****************************************************************************

// NavBar constructor.

//*****************************************************************************



function NavBar(width) {



  this.x = 0;

  this.y = 0;



  this.width  = width;

  this.height = 0;



  this.align    = "left";

  this.minWidth = 0;



  this.border    = 2;

  this.padding   = 4;

  this.separator = 1;



  this.menus = new Array();

  this.created = false;



  this.borderColor  = "#000000";

  this.hdrFgColor   = "#ffffff";

  this.hdrBgColor   = "#00273d";

  this.hdrHiFgColor = "#ffffff";

  this.hdrHiBgColor = "#00273d";

  this.itmFgColor   = "#00273d";

  this.itmBgColor   = "#dddddd";

  this.itmHiFgColor = "#ffffff";

  this.itmHiBgColor = "#7c7339";



  this.hdrFontFamily = "Arial,Helvetica,sans-serif";

  this.hdrFontStyle  = "plain";

  this.hdrFontWeight = "bold";

  this.hdrFontSize   = "10pt";

  this.itmFontFamily = "MS Sans Serif,Arial,Helvetica,sans-serif";

  this.itmFontStyle  = "plain";

  this.itmFontWeight = "bold";

  this.itmFontSize   = "8pt";



  this.inverted = false;



  // Define methods.



  this.setSizes    = navBarSetSizes;

  this.setColors   = navBarSetColors;

  this.setFonts    = navBarSetFonts;

  this.addMenu     = navBarAddMenu;

  this.create      = navBarCreate;

  this.hide        = navBarHide;

  this.show        = navBarShow;

  this.moveTo      = navBarMoveTo;

  this.moveBy      = navBarMoveBy;

  this.getzIndex   = navBarGetzIndex;

  this.setzIndex   = navBarSetzIndex;

  this.getWidth    = navBarGetWidth;

  this.getMinWidth = navBarGetMinWidth;

  this.getAlign    = navBarGetAlign;

  this.setAlign    = navBarSetAlign;

  this.resize      = navBarResize;

  this.invert      = navBarInvert;



  // Add to the list.



  this.index = navBars.length;

  navBars[this.index] = this;

}



//*****************************************************************************

// NavBar methods.

//*****************************************************************************



function navBarSetSizes(border, padding, separator) {



  if (!this.created) {

    this.border = border;

    this.padding = padding;

    this.separator = separator;

  }

}



function navBarSetColors(bdColor,

                         hdrFgColor, hdrBgColor, hdrHiFgColor, hdrHiBgColor,

                         itmFgColor, itmBgColor, itmHiFgColor, itmHiBgColor) {



  if (!this.created) {

    this.borderColor   = bdColor;

    this.hdrFgColor   = hdrFgColor;

    this.hdrBgColor   = hdrBgColor;

    this.hdrHiFgColor = hdrHiFgColor;

    this.hdrHiBgColor = hdrHiBgColor;

    this.itmFgColor   = itmFgColor;

    this.itmBgColor   = itmBgColor;

    this.itmHiFgColor = itmHiFgColor;

    this.itmHiBgColor = itmHiBgColor;

  }

}



function navBarSetFonts(hdrFamily, hdrStyle, hdrWeight, hdrSize,

                        itmFamily, itmStyle, itmWeight, itmSize) {



  if (!this.created) {

    this.hdrFontFamily = hdrFamily;

    this.hdrFontStyle  = hdrStyle;

    this.hdrFontWeight = hdrWeight;

    this.hdrFontSize   = hdrSize;

    this.itmFontFamily = itmFamily;

    this.itmFontStyle  = itmStyle;

    this.itmFontWeight = itmWeight;

    this.itmFontSize   = itmSize;

  }

}



function navBarAddMenu(menu) {



  if (!this.created)

    this.menus[this.menus.length] = menu;

}



function navBarCreate() {



  var str;

  var i, j;

  var norm, high, end;

  var width, height;

  var x, y;

  var scrX, scrY;



  if (this.created || (!isMinNS4 && !isMinIE4))

    return;



  // Build HTML for filler and header layers.



  str = "";



  // For IE4, need to scroll to end of page before inserting HTML.



  if (isMinIE4 && !isMinIE5) {

    scrX = getPageScrollX();

    scrY = getPageScrollY();

    window.scrollTo(getPageWidth(), getPageHeight());

  }



  if (isMinNS4)

    str += '<layer name="navBar' + this.index + '_filler"></layer>\n'

        +  '<layer name="navBar' + this.index + '_hdrsBase">\n';

  if (isMinIE4)

    str += '<div id="navBar' + this.index + '_filler"'

        +  ' style="position:absolute;">'

        +  '</div>\n'

        +  '<div id="navBar' + this.index + '_hdrsBase"'

        +  ' style="position:absolute;">\n';



  // Build HTML for the headers.



  for (i = 0; i < this.menus.length; i++) {

    norm = '<table border=0 cellpadding=' + this.padding

         + ' cellspacing=0'

         + (this.menus[i].hdrWidth > 0 ? ' width=' + this.menus[i].hdrWidth : '')

         + ((isMinIE4 && !isMinIE5) ? ' id="navBar' + this.index + '_tbl' + i + '"': '')

         + '><tr><td'

         + (this.menus[i].hdrWidth == 0 ? ' nowrap=1' + this.menus[i].hdrWidth : '')

         + '>'

         + '<span style="color:' + this.hdrFgColor + ';'

         + 'font-family:' + this.hdrFontFamily + ';'

         + 'font-size:' + this.hdrFontSize + ';'

         + 'font-style:' + this.hdrFontStyle + ';'

         + 'font-weight:' + this.hdrFontWeight + ';">';

    high = '<table border=0 cellpadding=' + this.padding

         + ' cellspacing=0'

         + (this.menus[i].hdrWidth > 0 ? ' width=' + this.menus[i].hdrWidth : '')

         + '><tr><td'

         + (this.menus[i].hdrWidth == 0 ? ' nowrap=1' + this.menus[i].hdrWidth : '')

         + '>'

         + '<span style="color:' + this.hdrHiFgColor + ';'

         + 'font-family:' + this.hdrFontFamily + ';'

         + 'font-size:' + this.hdrFontSize + ';'

         + 'font-style:' + this.hdrFontStyle + ';'

         + 'font-weight:' + this.hdrFontWeight + ';">';

    end  = '</span></td></tr></table>';

    if (isMinNS4)

      str += '<layer name="navBar' + this.index + '_head' + i + '">'

          +  norm + this.menus[i].items[0].text + end

          +  '</layer>\n'

          +  '<layer name="navBar' + this.index + '_headHigh' + i + '">'

          +  high + this.menus[i].items[0].text + end

          +  '</layer>\n'

          +  '<layer name="navBar' + this.index + '_headDummy' + i + '">'

          +  '</layer>\n';

    if (isMinIE4)

      str += '<div id="navBar' + this.index + '_head' + i + '"'

          +  ' style="position:absolute;">'

          +  norm + this.menus[i].items[0].text + end

          +  '</div>\n'

          +  '<div id="navBar' + this.index + '_headHigh' + i + '"'

          +  ' style="position:absolute;">'

          +  high + this.menus[i].items[0].text + end

          +  '</div>\n'

          +  '<div id="navBar' + this.index + '_headDummy' + i + '"'

          +  ' style="position:absolute;">'

          +  '</div>\n';

  }



  if (isMinNS4) {

    str += '</layer>\n';

    this.baseLayer = new Layer(this.width);

    this.baseLayer.document.open();

    this.baseLayer.document.write(str);

    this.baseLayer.document.close();

  }

  if (isMinIE4) {

    str += '</div>\n';

    str = '<div id="navBar' + this.index + '"'

        + ' style="position:absolute;left:0px;top:0px;">\n'

        + str

        + '</div>\n';

    document.body.insertAdjacentHTML("beforeEnd", str);

    this.baseLayer = getLayer("navBar" + this.index);

  }



  // Position and initialize each header.



  width = 0;

  height = 0;



  for (i = 0; i < this.menus.length; i++) {

    this.menus[i].hdrNormLayer = getLayer('navBar' + this.index + '_head' + i);

    this.menus[i].hdrHighLayer = getLayer('navBar' + this.index + '_headHigh' + i);

    this.menus[i].hdrDmmyLayer = getLayer('navBar' + this.index + '_headDummy' + i);

    height = Math.max(height, getHeight(this.menus[i].hdrNormLayer));

    this.height = height + 2 * this.border;



    // Fix for IE4 to resize headers to fit text width.



    if (isMinIE4 && !isMinIE5) {

      width = this.menus[i].hdrWidth;

      if (width == 0)

        width = eval('document.all.navBar' + this.index + '_tbl' + i + '.clientWidth');

      navBarIEResizeLayer(this.menus[i].hdrNormLayer, width, height);

      navBarIEResizeLayer(this.menus[i].hdrHighLayer, width, height);

      navBarIEResizeLayer(this.menus[i].hdrDmmyLayer, width, height);

    }

  }



  x = this.border;

  y = this.border;

  for (i = 0; i < this.menus.length; i++) {



    width = Math.max(this.menus[i].hdrWidth, getWidth(this.menus[i].hdrNormLayer));

    if (this.menus[i].width == 0)

      this.menus[i].width = width + 2 * this.border;



    moveLayerTo(this.menus[i].hdrNormLayer, x, y);

    setBgColor(this.menus[i].hdrNormLayer, this.hdrBgColor);

    clipLayer(this.menus[i].hdrNormLayer, 0, 0, width, height);

    inheritLayer(this.menus[i].hdrNormLayer);



    moveLayerTo(this.menus[i].hdrHighLayer, x, y);

    setBgColor(this.menus[i].hdrHighLayer, this.hdrHiBgColor);

    clipLayer(this.menus[i].hdrHighLayer, 0, 0, width, height);

    hideLayer(this.menus[i].hdrHighLayer);



    moveLayerTo(this.menus[i].hdrDmmyLayer, x, y);

    if (isMinIE4)

      navBarIEResizeLayer(this.menus[i].hdrDmmyLayer, width, height);

    clipLayer(this.menus[i].hdrDmmyLayer, 0, 0, width, height);

    inheritLayer(this.menus[i].hdrDmmyLayer);

    this.menus[i].hdrDmmyLayer.highLayer = this.menus[i].hdrHighLayer;



    this.menus[i].hdrLeft = x;

    x += width + this.border;

    this.menus[i].hdrRight = x;

  }



  // Save resulting width of headers and total width.



  this.minWidth = x;

  this.width = Math.max(this.minWidth, this.width);



  // Position and initialize base, filler and headers base layers.



  moveLayerTo(this.baseLayer, this.x, this.y);

  setBgColor(this.baseLayer, this.borderColor);

  if (isMinIE4)

    navBarIEResizeLayer(this.baseLayer, this.width, this.height);

  clipLayer(this.baseLayer, 0, 0, this.width, this.height);



  this.fillerLayer = getLayer('navBar' + this.index + '_filler');

  moveLayerTo(this.fillerLayer, this.border, this.border);

  setBgColor(this.fillerLayer, this.hdrBgColor);

  width = this.width - 2 * this.border;

  height = this.height - 2 * this.border;

  if (isMinIE4)

    navBarIEResizeLayer(this.fillerLayer, width, height);

  clipLayer(this.fillerLayer, 0, 0, width, height);

  inheritLayer(this.fillerLayer);



  this.hdrsBaseLayer = getLayer('navBar' + this.index + '_hdrsBase');

  if (this.align.toLowerCase() == "right")

    this.hdrsOffsetX = this.width - this.minWidth;

  else if (this.align.toLowerCase() == "center")

    this.hdrsOffsetX = Math.round((this.width - this.minWidth) / 2);

  else

    this.hdrsOffsetX = 0;

  moveLayerTo(this.hdrsBaseLayer, this.hdrsOffsetX, 0);

  setBgColor(this.hdrsBaseLayer, this.borderColor);

  if (isMinIE4)

    navBarIEResizeLayer(this.hdrsBaseLayer, this.minWidth, this.height);

  clipLayer(this.hdrsBaseLayer, 0, 0, this.minWidth, this.height);

  inheritLayer(this.hdrsBaseLayer);



  // Set up event handling and positioning for headers.



  for (i = 0; i < this.menus.length; i++) {

    this.menus[i].hdrDmmyLayer.index = this.index;

    this.menus[i].hdrDmmyLayer.offsetX = this.menus[i].hdrLeft - this.border;

    if (this.menus[i].hdrDmmyLayer.offsetX + this.menus[i].width > this.width)

      this.menus[i].hdrDmmyLayer.offsetX = this.menus[i].hdrRight - this.menus[i].width;

    this.menus[i].hdrDmmyLayer.offsetY = this.height - this.border;

    this.menus[i].hdrDmmyLayer.onmouseover = navBarHeaderOn;

    this.menus[i].hdrDmmyLayer.onmouseout = navBarHeaderOff;

    if (isMinNS4) {

      this.menus[i].hdrDmmyLayer.document.highLayer = this.menus[i].hdrHighLayer;

      this.menus[i].hdrDmmyLayer.document.link = this.menus[i].items[0].link;

      this.menus[i].hdrDmmyLayer.document.onclick = navBarItemClick;

    }

    if (isMinIE4) {

      this.menus[i].hdrDmmyLayer.highLayer = this.menus[i].hdrHighLayer;

      this.menus[i].hdrDmmyLayer.link = this.menus[i].items[0].link;

      this.menus[i].hdrDmmyLayer.onclick = navBarItemClick;

    }

  }



  // Build the drop down menus.



  norm = '<table border=0 cellpadding=' + this.padding

       + ' cellspacing=0 width="100%"><tr><td>'

       + '<span style="color:' + this.itmFgColor + ';'

       + 'font-family:' + this.itmFontFamily + ';'

       + 'font-size:' + this.itmFontSize + ';'

       + 'font-style:' + this.itmFontStyle + ';'

       + 'font-weight:' + this.itmFontWeight + ';">';

  high = '<table border=0 cellpadding=' + this.padding

       + ' cellspacing=0 width="100%"><tr><td>'

       + '<span style="color:' + this.itmHiFgColor + ';'

       + 'font-family:' + this.itmFontFamily + ';'

       + 'font-size:' + this.itmFontSize + ';'

       + 'font-style:' + this.itmFontStyle + ';'

       + 'font-weight:' + this.itmFontWeight + ';">';

  end  = '</span></td></tr></table>';

  for (i = 0; i < this.menus.length; i++) {

    width = this.menus[i].width - 2 * this.border;

    str = "";

    for (j = 1; j < this.menus[i].items.length; j++) {

      if (isMinNS4)

        str += '<layer name="navBar' + this.index + '_menu' + i + '_norm' + j + '"'

            +  ' width=' + width + '>'

            +  norm + this.menus[i].items[j].text + end

            +  '</layer>\n'

            +  '<layer name="navBar' + this.index + '_menu' + i + '_high' + j + '"'

            +  ' width=' + width + '>'

            +  high + this.menus[i].items[j].text + end

            +  '</layer>\n'

            +  '<layer name="navBar' + this.index + '_menu' + i + '_dmmy' + j + '"'

            +  ' width=' + width + '>'

            +  '</layer>\n';

      if (isMinIE4)

        str += '<div id="navBar' + this.index + '_menu' + i + '_norm' + j + '"'

            +  ' style="position:absolute;width:' + width + 'px;">'

            +  norm + this.menus[i].items[j].text + end

            +  '</div>\n'

            +  '<div id="navBar' + this.index + '_menu' + i + '_high' + j + '"'

            +  ' style="position:absolute;width:' + width + 'px;">'

            +  high + this.menus[i].items[j].text + end

            +  '</div>\n'

            +  '<div id="navBar' + this.index + '_menu' + i + '_dmmy' + j + '"'

            +  ' style="position:absolute;width:' + width + 'px;">'

            +  '</div>\n';

    }

    if (isMinNS4) {

      this.menus[i].baseLayer = new Layer(this.menus[i].width);

      this.menus[i].baseLayer.document.open();

      this.menus[i].baseLayer.document.write(str);

      this.menus[i].baseLayer.document.close();

    }

    if (isMinIE4) {

      str = '<div id="navBar' + this.index + '_menu' + i + '"'

          + ' style="position:absolute;left:0px; top:0px;'

          + 'width:' + this.menus[i].width + 'px;visibility:hidden;">\n'

          + str

          + '</div>\n';

      document.body.insertAdjacentHTML("beforeEnd", str);

      this.menus[i].baseLayer = getLayer("navBar" + this.index + "_menu" + i);

    }

  }



  // Restore original scroll position in IE4.



  if (isMinIE4 && !isMinIE5)

    window.scrollTo(x, y);



  // Position and initialize each menu.



  for (i = 0; i < this.menus.length; i++) {

    moveLayerTo(this.menus[i].baseLayer, this.menus[i].hdrDmmyLayer.offsetX, this.menus[i].hdrDmmyLayer.offsetY);

    setBgColor(this.menus[i].baseLayer, this.borderColor);



    if (this.menus[i].items.length > 1)

      this.menus[i].hdrDmmyLayer.menuLayer = this.menus[i].baseLayer;

    else

      this.menus[i].hdrDmmyLayer.menuLayer = null;



    // Position and initialize each item in the menu.



    x = this.border;

    y = this.border;

    width = this.menus[i].width - 2 * this.border;

    for (j = 1; j < this.menus[i].items.length; j++) {



      this.menus[i].items[j].normLayer = getLayer('navBar' + this.index + '_menu' + i + '_norm' + j);

      this.menus[i].items[j].highLayer = getLayer('navBar' + this.index + '_menu' + i + '_high' + j);

      this.menus[i].items[j].dmmyLayer = getLayer('navBar' + this.index + '_menu' + i + '_dmmy' + j);



      height = getHeight(this.menus[i].items[j].normLayer);



      moveLayerTo(this.menus[i].items[j].normLayer, x, y);

      setBgColor(this.menus[i].items[j].normLayer, this.itmBgColor);

      clipLayer(this.menus[i].items[j].normLayer, 0, 0, width, height);

      inheritLayer(this.menus[i].items[j].normLayer);



      moveLayerTo(this.menus[i].items[j].highLayer, x, y);

      setBgColor(this.menus[i].items[j].highLayer, this.itmHiBgColor);

      clipLayer(this.menus[i].items[j].highLayer, 0, 0, width, height);

      hideLayer(this.menus[i].items[j].highLayer);



      moveLayerTo(this.menus[i].items[j].dmmyLayer, x, y);

      clipLayer(this.menus[i].items[j].dmmyLayer, 0, 0, width, height);

      inheritLayer(this.menus[i].items[j].dmmyLayer);

      this.menus[i].items[j].dmmyLayer.highLayer = this.menus[i].items[j].highLayer;

      this.menus[i].items[j].dmmyLayer.onmouseover = navBarItemOn;

      this.menus[i].items[j].dmmyLayer.onmouseout = navBarItemOff;



      if (isMinNS4) {

        this.menus[i].items[j].dmmyLayer.document.highLayer = this.menus[i].items[j].highLayer;

        this.menus[i].items[j].dmmyLayer.document.link = this.menus[i].items[j].link;

        this.menus[i].items[j].dmmyLayer.document.onclick = navBarItemClick;

      }

      if (isMinIE4) {

        this.menus[i].items[j].dmmyLayer.highLayer = this.menus[i].items[j].highLayer;

        this.menus[i].items[j].dmmyLayer.link = this.menus[i].items[j].link;

        this.menus[i].items[j].dmmyLayer.onclick = navBarItemClick;

      }



      y += height + this.separator;

    }



    width = this.menus[i].width;

    height = y - this.separator + this.border;

    this.menus[i].baseLayer.width = this.menus[i].width;

    this.menus[i].baseLayer.height = height;

    if (isMinIE4)

      navBarIEResizeLayer(this.menus[i].baseLayer, width, height);

    clipLayer(this.menus[i].baseLayer, 0, 0, width, height);



    this.menus[i].baseLayer.parentHighLayer = this.menus[i].hdrHighLayer;

    this.menus[i].baseLayer.onmouseout = navBarMenuOff;

  }



  this.created = true;

  this.resize(this.width);

  showLayer(this.baseLayer);

}



function navBarHide() {



  if (this.created)

    hideLayer(this.baseLayer);

}



function navBarShow() {



  if (this.created)

    showLayer(this.baseLayer);

}



function navBarMoveTo(x, y) {



  this.x = x;

  this.y = y;

  if (this.created)

    moveLayerTo(this.baseLayer, this.x, this.y);

}



function navBarMoveBy(dx, dy) {



  this.x += dx;

  this.y += dy;

  if (this.created)

    moveLayerTo(this.baseLayer, this.x, this.y);

}



function navBarGetzIndex() {



  if (this.created)

    return getzIndex(this.baseLayer);

  return 0;

}



function navBarSetzIndex(z) {



  var i;



  if (this.created) {

    setzIndex(this.baseLayer, z);

    for (i = 0; i < this.menus.length; i++)

      setzIndex(this.menus[i].baseLayer, z);

  }

}



function navBarGetWidth() {



  return this.width;

}



function navBarGetMinWidth() {



  return this.minWidth;

}



function navBarGetAlign() {



  return this.align;

}



function navBarSetAlign(align) {



  this.align = align;

  if (this.created)

    this.resize(this.width);

}



function navBarResize(width) {



  if (this.created) {

    this.width = Math.max(width, this.minWidth);

    if (isMinIE4) {

      navBarIEResizeLayer(this.fillerLayer, this.width - 2 * this.border, this.height - 2 * this.border);

      navBarIEResizeLayer(this.baseLayer, this.width, this.height);

    }

    clipLayer(this.fillerLayer, 0, 0, this.width - 2 * this.border, this.height - 2 * this.border);

    clipLayer(this.baseLayer, 0, 0, this.width, this.height);



    if (this.align == "right")

      this.hdrsOffsetX = this.width - this.minWidth;

    else if (this.align == "center")

      this.hdrsOffsetX = Math.round((this.width - this.minWidth) / 2);

    else if (this.align == "left")

      this.hdrsOffsetX = 0;

    else

      this.hdrsOffsetX = Math.min(parseInt(this.align, 10), this.width - this.minWidth);

    moveLayerTo(this.hdrsBaseLayer, this.hdrsOffsetX, 0);



    for (i = 0; i < this.menus.length; i++) {

      this.menus[i].hdrDmmyLayer.offsetX = this.menus[i].hdrLeft - this.border;

      if (this.hdrsOffsetX + this.menus[i].hdrDmmyLayer.offsetX + this.menus[i].width > this.width)

        this.menus[i].hdrDmmyLayer.offsetX = this.menus[i].hdrRight - this.menus[i].width;

    }

  }

  else

    this.width = width;

}



function navBarInvert() {



  this.inverted = !this.inverted;

}



//*****************************************************************************

// Layer resize function for IE.

//*****************************************************************************



function navBarIEResizeLayer(layer, width, height) {



  layer.style.pixelWidth = width;

  layer.style.pixelHeight = height;

}



//*****************************************************************************

// Event handlers for the navigation bar.

//*****************************************************************************



function navBarHeaderOn(e) {



  var bar;

  var x, y;



  showLayer(this.highLayer);



  bar = navBars[this.index];

  if (this.menuLayer != null) {

    x = bar.x + bar.hdrsOffsetX + this.offsetX;

    y = bar.y + this.offsetY;

    if (bar.inverted)

      y = bar.y - this.menuLayer.height + bar.border;

    moveLayerTo(this.menuLayer, x, y);



    // Save menu position (need to fudge in IE).



    this.menuLayer.left = getPageLeft(this.menuLayer) + (isMinIE4 ? 1 : 0);

    this.menuLayer.top = getPageTop(this.menuLayer) + (isMinIE4 ? 1 : 0);

    this.menuLayer.right = this.menuLayer.left + this.menuLayer.width

      - (isMinIE4 ? 1 : 0);

    this.menuLayer.bottom = this.menuLayer.top + this.menuLayer.height

      - (isMinIE4 ? 1 : 0);



    if (isMinIE4) {

      if (bar.activeHeader != null &&

          bar.activeHeader != this) {

        hideLayer(bar.activeHeader.highLayer);

        if (bar.activeHeader.menuLayer != null)

          hideLayer(bar.activeHeader.menuLayer);

      }

      bar.activeHeader = this;

    }

    showLayer(this.menuLayer);

  }

}



function navBarHeaderOff(e) {



  if (this.menuLayer != null) {

    if (isMinIE4) {

      mouseX = window.event.clientX + document.body.scrollLeft;

      mouseY = window.event.clientY + document.body.scrollTop;

    }

    if (mouseX >= this.menuLayer.left  &&

        mouseX <= this.menuLayer.right &&

        mouseY >= this.menuLayer.top   &&

        mouseY <= this.menuLayer.bottom)

      return;

    hideLayer(this.menuLayer);

  }



  hideLayer(this.highLayer);

}



function navBarMenuOff(e) {



  if (isMinIE4) {

    mouseX = window.event.clientX + document.body.scrollLeft;

    mouseY = window.event.clientY + document.body.scrollTop;

    if (mouseX >= this.left  &&

        mouseX <= this.right &&

        mouseY >= this.top   &&

        mouseY <= this.bottom)

      return;

  }



  hideLayer(this);

  hideLayer(this.parentHighLayer);

}



function navBarItemOn() {



  showLayer(this.highLayer);

}



function navBarItemOff() {



  hideLayer(this.highLayer);

}



function navBarItemClick(e) {



  if (this.link == "") {

    if (isMinIE4)

      window.event.cancelBubble = true;

    return false;

  }



  if (this.menuLayer != null) {

    hideLayer(this.menuLayer);

  }

  hideLayer(this.highLayer);



  if (this.link.indexOf("javascript:") == 0)

    eval(this.link);

  else

    window.location.href = this.link;



  return false;

}



//*****************************************************************************

// Code for tracking the mouse position.

//*****************************************************************************



// These variables will hold the current mouse pointer position.



var mouseX = 0;

var mouseY = 0;



// Set up event capturing.



if (isMinNS4)

  document.captureEvents(Event.MOUSEMOVE);

document.onmousemove = navBarGetMousePosition;



function navBarGetMousePosition(e) {



  // Save mouse pointer position.



  if (isMinNS4) {

    mouseX = e.pageX;

    mouseY = e.pageY;

  }

  if (isMinIE4) {

    mouseX = window.event.clientX + document.body.scrollLeft;

    mouseY = window.event.clientY + document.body.scrollTop;

  }

}



//*****************************************************************************

// Code to handle a window resize.

//*****************************************************************************



// These variables are used to determine if a resize event is a true one in

// older releases of NS4.



var origWidth;

var origHeight;



// Reload page in case of a browser resize.



if (isMinNS4) {

  origWidth  = window.innerWidth;

  origHeight = window.innerHeight;

}

window.onresize = navBarReload;



function navBarReload() {



  if (isMinNS4 && origWidth == window.innerWidth && origHeight == window.innerHeight)

    return;



  // For IE, reload on a timer in case the Windows 'Show window contents while

  // dragging' display option is on.



  if (isMinIE4)

    setTimeout('window.location.href = window.location.href', 2000);

  else

    window.location.href = window.location.href;

}