/*

 +-------------------------------------------------------------------+

 |                       J S - M E N U   (v1.8)                      |

 |                                                                   |

 | Copyright Gerd Tentler                 www.gerd-tentler.de/tools  |

 | Created: Jul. 19, 2002                 Last modified: May 1, 2007 |

 +-------------------------------------------------------------------+

 | This program may be used and hosted free of charge by anyone for  |

 | personal purpose as long as this copyright notice remains intact. |

 |                                                                   |

 | Obtain permission before selling the code for this program or     |

 | hosting this software on a commercial website or redistributing   |

 | this software over the Internet or in any other medium. In all    |

 | cases copyright must remain intact.                               |

 +-------------------------------------------------------------------+



======================================================================================================

 This script was tested with the following systems and browsers:



 - Windows XP: IE 6, NN 7, Opera 7 + 9, Firefox 2

 - Mac OS X:   IE 5, Safari 1



 If you use another browser or system, this script may not work for you - sorry.

======================================================================================================

*/



var DOM = document.getElementById;

var IE4 = document.all;

var NN4 = document.layers;



var mObj = new Array();



function MENU(style) {

//----------------------------------------------------------------------------------------------------

// Configuration

//----------------------------------------------------------------------------------------------------



  this.style = style ? style : "top";      // menu style (top or left)

  this.floatMenu = false;                    // floating menu (true or false)*



  this.fadeInSpeed = 30;                    // fade-in speed (0 - 30; 0 = no fading)

  this.fadeOutSpeed = 20;                   // fade-out speed (0 - 30; 0 = no fading)

  this.fadeOutDelay = 1000;                  // fade-out delay (1/1000 seconds)



  this.imgBlank = "blank.gif";              // path to blank image

  this.imgArrow = "arrow.gif";              // path to arrow image

  this.imgArrowWidth = 13;                   // arrow image width (pixels)



  // main menu configuration:



  this.mainTop = 0;                         // top position (pixels)

  this.mainLeft = 0;                        // left position (pixels)

  this.mainBGColor = "#656565";             // background color OR background image

  this.mainBorderWidth = 0;                // border width (pixels)

  this.mainArrows = true;                   // show sub menu arrows (true or false)

  this.mainOpacity = 100;                   // opacity (0 - 100)**

  this.mainItemWidth = 108;                 // item width (pixels)

  this.mainItemColor = "#656565";           // item color

  this.mainItemHilight = "#e8e8e8";         // item hilight color

  this.mainItemFont = "Gill Sans, arial, verdana, tahoma, Helvetica";   // font family (CSS-spec)

  this.mainItemFontColor = "#ffffff";         // font color

  this.mainItemFontHilight = "#0066cc";     // font hilight color; NN4: not supported

  this.mainItemFontSize = 12;               // font size (pixels)

  this.mainItemAlign = "center";            // text align (left / center / right)

  this.mainItemPadding = 4;                 // text padding (pixels)

  this.mainItemSpacer = 1;                 // space between items (pixels)

  this.mainItem3D = 1;                      // 3D border (pixels); NN4: not supported



  // sub menu(s) configuration:



  this.subBGColor = "#656565";              // background color OR background image

  this.subBorderWidth = 1;                  // border width (pixels)

  this.subArrows = true;                    // show sub menu arrows (true or false)

  this.subOpacity = 100;                     // opacity (0 - 100)**

  this.subOffsetLeft = 12;                  // left offset (pixels)

  

  this.subItemWidth = 108;                  // item width (pixels)

  this.subItemColor = "#656565";            // item color very very persnickity

  this.subItemHilight = "#e8e8e8";          // item hilight color

  this.subItemFont = "Gill Sans, arial, verdana, tahoma, Helvetica";    // font family (CSS-spec)

  this.subItemFontColor = "#ffffff";        // font color

  this.subItemFontHilight = "#0066cc";      // font hilight color; NN4: not supported

  this.subItemFontSize = 12;                // font size (pixels)

  this.subItemAlign = "center";               // text align (left / center / right)

  this.subItemPadding = 4;                  // text padding (pixels)

  this.subItemSpacer = 1;                   // space between items (pixels)

  this.subItem3D = 1;                       // 3D border (pixels); NN4: not supported



// *  With Safari 1 (Mac OS X) performance was poor, i.e. floating speed was slow. With IE 5 (Mac OS X)

//    floating didn't work properly.

//

// ** Opacity was successfully tested only on Windows XP with IE 6, NN 7, Opera 9 and Firefox 1 + 2;

//    NN 7 showed different results, though. It should also work with Safari, version 1.2 or higher.



//----------------------------------------------------------------------------------------------------

// Functions

//----------------------------------------------------------------------------------------------------



  this.mOver = false;

  this.mNr = this.iv = this.timer = 0;

  this.sections = new Array();

  this.items = new Array();

  this.targetWindow = 0;



  this.entry = function(level, height, text, url, target, onClick) {

    var nr = this.items.length;

    var parent = nr - 1;

    this.items[nr] = new makeItem(level, height, text, url, target, onClick);

    if(parent >= 0) {

      if(level == this.items[parent].level + 1) this.items[nr].parent = parent;

      else if(level == this.items[parent].level) this.items[nr].parent = this.items[parent].parent;

      else if(level < this.items[parent].level) {

        for(var i = parent; i >= 0; i--) {

          if(this.items[i].level == level) {

            this.items[nr].parent = this.items[i].parent;

            break;

          }

        }

      }

    }

  }



  this.getObj = function(id, cont) {

    var obj;

    if(DOM) obj = document.getElementById(id).style;

    else if(IE4) obj = document.all[id].style;

    else if(NN4) obj = cont ? document.layers[cont].document.layers[id] : document.layers[id];

    return obj;

  }



  this.getScrTop = function() {

    var scrTop = 0;

    if(document.documentElement && document.documentElement.scrollTop)

      scrTop = document.documentElement.scrollTop;

    else if(document.body && document.body.scrollTop)

      scrTop = document.body.scrollTop;

    else if(window.pageYOffset) scrTop = window.pageYOffset;

    return scrTop;

  }



  this.setOpacity = function(nr, opacity) {

    if(!NN4) {

      var obj = this.getObj('section' + this.mNr + '_' + nr);

      if(obj) {

        obj.opacity = opacity / 100;

        obj.MozOpacity = opacity / 100;

        obj.KhtmlOpacity = opacity / 100;

        obj.filter = 'alpha(opacity=' + opacity + ')';

      }

    }

  }



  this.fadeIn = function(nr) {

    if(this.sections[nr].active) {

      var maxOp = (this.items[this.sections[nr].nr].level < 2) ? this.mainOpacity : this.subOpacity;

      if(this.fadeInSpeed && this.sections[nr].opacity < maxOp) {

        this.sections[nr].opacity += this.fadeInSpeed;

        if(this.sections[nr].opacity > maxOp) this.sections[nr].opacity = maxOp;

        this.setOpacity(nr, this.sections[nr].opacity);

        if(this.sections[nr].timer) clearTimeout(this.sections[nr].timer);

        this.sections[nr].timer = setTimeout('mObj[' + this.mNr + '].fadeIn(' + nr + ')', 1);

      }

      else {

        this.sections[nr].opacity = maxOp;

        this.setOpacity(nr, maxOp);

      }

    }

  }



  this.fadeOut = function(nr) {

    if(this.fadeOutSpeed && this.sections[nr].opacity > 0) {

      this.sections[nr].opacity -= this.fadeOutSpeed;

      if(this.sections[nr].opacity < 0) this.sections[nr].opacity = 0;

      this.setOpacity(nr, this.sections[nr].opacity);

      if(this.sections[nr].timer) clearTimeout(this.sections[nr].timer);

      this.sections[nr].timer = setTimeout('mObj[' + this.mNr + '].fadeOut(' + nr + ')', 1);

    }

    else {

      var obj = this.getObj('section' + this.mNr + '_' + nr);

      obj.visibility = NN4 ? 'hide' : 'hidden';

      this.sections[nr].opacity = 0;

    }

  }



  this.showMenu = function(nr) {

    var obj = this.getObj('section' + this.mNr + '_' + nr);

    if(!this.sections[nr].active) {

      if(this.floatMenu) this.sections[nr].y = this.getScrTop() + this.sections[nr].topY;

      if(IE4) obj.pixelTop = this.sections[nr].y;

      else obj.top = this.sections[nr].y + (DOM ? 'px' : '');

      obj.visibility = NN4 ? 'show' : 'visible';

      this.sections[nr].active = true;

      this.fadeIn(nr);

    }

  }



  this.hideMenu = function(nr) {

    var obj = this.getObj('section' + this.mNr + '_' + nr);

    if(this.sections[nr].active) {

      this.sections[nr].active = false;

      this.fadeOut(nr);

    }

  }



  this.hilight = function(section, item, bgColor, fontColor) {

    var obj = this.getObj('item' + this.mNr + '_' + item, 'section' + this.mNr + '_' + section);

    if(NN4) obj.bgColor = bgColor;

    else obj.backgroundColor = bgColor;

    if(!NN4) {

      obj = this.getObj('text' + this.mNr + '_' + item);

      obj.color = fontColor;

    }

    if(bgColor == this.subItemColor || bgColor == this.mainItemColor) this.mOver = false;

    else this.mOver = true;

  }



  this.getMenu = function(item, section) {

    if(this.sections[section].active) {

      for(var i = section+1; i < this.sections.length; i++) {

        if(this.sections[i].nr == item) {

          if(!this.sections[i].active) this.showMenu(i);

        }

        else if(this.sections[i].active) this.hideMenu(i);

      }

    }

  }



  this.hideSubs = function(start) {

    if(!this.mOver) for(var i = start; i < this.sections.length; i++) {

      if(this.sections[i].active) this.hideMenu(i);

    }

    this.timer = 0;

  }



  this.jumpURL = function(item) {

    if(this.items[item].url) {

      if(this.items[item].target) {

        if(this.items[item].target.indexOf('parent.') == -1 && this.items[item].target.indexOf('top.') == -1) {

          if(this.targetWindow && !this.targetWindow.closed) this.targetWindow.location.href = this.items[item].url;

          else this.targetWindow = window.open(this.items[item].url, 'targetWindow');

          this.targetWindow.focus();

        }

        else eval(this.items[item].target + '.location.href = "' + this.items[item].url + '"');

      }

      else document.location.href = this.items[item].url;

    }

  }



  this.checkIt = function() {

    var active = false;

    var i;

    if(this.floatMenu) for(i = 0; i < this.sections.length; i++) {

      if(this.sections[i].active) this.floatIt(i, this.sections[i].topY);

    }

    if(!this.mOver && !this.timer) {

      for(i = 0; i < this.sections.length && !active; i++) {

        if(this.sections[i].active) active = true;

      }

      if(active) {

        if(this.fadeOutDelay) this.timer = setTimeout('mObj[' + this.mNr + '].hideSubs(1)', this.fadeOutDelay);

        else this.hideSubs(1);

      }

    }

  }



  this.floatIt = function(nr, topY) {

    var obj = this.getObj('section' + this.mNr + '_' + nr);

    if(obj.visibility == 'visible' || obj.visibility == 'show') {

      var scrTop = this.getScrTop() + topY;

      var elmTop = IE4 ? obj.pixelTop : parseInt(obj.top);

      if(elmTop != scrTop) this.smoothIt(obj, nr, scrTop);

    }

  }



  this.smoothIt = function(obj, nr, scrTop) {

    if(scrTop != this.sections[nr].y) {

      var percent = .1 * (scrTop - this.sections[nr].y);

      if(percent > 0) percent = Math.ceil(percent);

      else percent = Math.floor(percent);

      this.sections[nr].y += percent;

      if(IE4) obj.pixelTop = this.sections[nr].y;

      else if(NN4 || DOM) obj.top = this.sections[nr].y + (DOM ? 'px' : '');

    }

  }



  this.buildItems = function(parent, section) {

    var arrows, link, img, color, itemColor, itemHilight, itemAlign, left;

    var width, height, border, spacer, itemPadding, item3D, topY, clsItem, j;



    for(var i = cnt = 0; i < this.items.length; i++) {

      if(this.items[i].parent == parent) {

        if(this.items[i].level < 2) {

          border = this.mainBorderWidth;

          color = this.mainBGColor;

          spacer = this.mainItemSpacer;

          arrows = this.mainArrows;

          itemColor = this.mainItemColor;

          itemFontColor = this.mainItemFontColor;

          itemHilight = this.mainItemHilight;

          itemFontHilight = this.mainItemFontHilight;

          itemAlign = this.mainItemAlign;

          itemPadding = this.mainItemPadding;

          item3D = this.mainItem3D;

          clsItem = 'clsMainItem' + this.mNr;

          width = this.mainItemWidth + itemPadding*2;

          if(this.style == 'top') left = border + (width + item3D*2 + spacer) * cnt++;

          else left = border;

        }

        else {

          border = this.subBorderWidth;

          color = this.subBGColor;

          spacer = this.subItemSpacer;

          arrows = this.subArrows;

          itemColor = this.subItemColor;

          itemFontColor = this.subItemFontColor;

          itemHilight = this.subItemHilight;

          itemFontHilight = this.subItemFontHilight;

          itemAlign = this.subItemAlign;

          itemPadding = this.subItemPadding;

          item3D = this.subItem3D;

          clsItem = 'clsSubItem' + this.mNr;

          width = this.subItemWidth + itemPadding*2;

          left = border;

        }

        height = this.items[i].height + itemPadding*2;



        if(!topY) topY = border;

        link = 'javascript:mObj[' + this.mNr + '].jumpURL(' + i + ')';

        if(arrows && i+1 < this.items.length && this.items[i+1].level > this.items[i].level) img = this.imgArrow;

        else img = '';



        for(j = 0; j < this.sections.length; j++) {

          if(this.sections[j].nr == i+1) {

            this.sections[j].topY = this.sections[section].topY + topY;

            this.sections[j].y = this.sections[j].topY;

          }

        }



        if(IE4 || DOM) document.write('<div id="item' + this.mNr + '_' + i + '" style="position:absolute' +

                                      '; top:' + topY + 'px' +

                                      '; left:' + left + 'px' +

                                      '; width:' + width + 'px' +

                                      '; height:' + height + 'px' +

                                      (itemColor ? '; background-color:' + itemColor : '') +

                                      (item3D ? '; border:' + item3D + 'px outset white' : '') +

                                      '; z-index:1">');

        else if(NN4) document.write('<layer id="item' + this.mNr + '_' + i + '"' +

                                    ' top=' + topY +

                                    ' left=' + left +

                                    ' width=' + width +

                                    ' height=' + height +

                                    (itemColor ? ' bgcolor=' + itemColor : '') +

                                    ' z-index=1>');

        document.write('<table border=0 cellspacing=0 cellpadding=' + itemPadding +

                       ' width=' + width + ' height=' + height + '><tr>' +

                       '<td id="text' + this.mNr + '_' + i + '" class="' + clsItem + '" align="' + itemAlign + '">' +

                       this.items[i].text + '</td>' +

                       (img ? '<td width=' + this.imgArrowWidth + ' align=right><img src="' + img + '" width=' + this.imgArrowWidth + '></td>' : '') +

                       '</tr></table>');

        if(IE4 || DOM) document.write('</div>');

        else if(NN4) document.write('</layer>');



        if(IE4 || DOM) document.write('<div style="position:absolute' +

                                      '; top:' + topY + 'px' +

                                      '; left:' + left + 'px' +

                                      '; z-index:2">');

        else if(NN4) document.write('<layer' +

                                    ' top=' + topY +

                                    ' left=' + left +

                                    ' z-index=2>');

        document.write('<a href="' + link + '" ' +

                       'onMouseOver="mObj[' + this.mNr + '].hilight(' + section + ', ' + i + ', \'' + itemHilight + '\', \'' + itemFontHilight + '\'); ' +

                       'mObj[' + this.mNr + '].getMenu(' + (i+1) + ', ' + section + '); ' +

                       'window.status=\'' + this.items[i].url + '\'; return true" ' +

                       'onMouseOut="mObj[' + this.mNr + '].hilight(' + section + ', ' + i + ', \'' + itemColor + '\', \'' + itemFontColor + '\'); ' +

                       'window.status=\'\'" ' + (this.items[i].onClick ? 'onClick="' + this.items[i].onClick + '" ' : '') +

                       'onFocus="if(this.blur) this.blur()">' +

                       '<img src="' + this.imgBlank + '" border=0 width=' + (width + item3D*2) + ' height=' + (height + item3D*2) + '></a>');

        if(IE4 || DOM) document.write('</div>');

        else if(NN4) document.write('</layer>');



        if(this.items[i].level > 1 || this.style != 'top') topY += height + item3D*2 + spacer;

      }

    }

  }



  this.buildSections = function() {

    document.write('<style> ' +

                   '.clsMainItem' + this.mNr + ' { color:' + this.mainItemFontColor +

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

                   '; font-size:' + this.mainItemFontSize + 'px; } ' +

                   '.clsSubItem' + this.mNr + ' { color:' + this.subItemFontColor +

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

                   '; font-size:' + this.subItemFontSize + 'px; } ' +

                   '</style>');



    var width, border, color, itemPadding, item3D, spacer, left, height, level, section, cnt, j;

    var mainHeight = 0;

    var bgImg = '';



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

      if(!i || this.items[i].level > this.items[i-1].level) {

        this.sections[this.sections.length] = new makeSection(i, this.items[i].level, this.mainTop);

      }

    }



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

      section = this.sections[i].nr;

      level = this.sections[i].level;

      if(level < 2) {

        border = this.mainBorderWidth;

        color = this.mainBGColor;

        itemPadding = this.mainItemPadding;

        item3D = this.mainItem3D;

        spacer = this.mainItemSpacer;

        width = (this.style == 'top') ? 0 : this.mainItemWidth + border*2 + itemPadding*2 + item3D*2;

        left = this.mainLeft;

      }

      else {

        border = this.subBorderWidth;

        color = this.subBGColor;

        itemPadding = this.subItemPadding;

        item3D = this.subItem3D;

        spacer = this.subItemSpacer;

        width = this.subItemWidth + border*2 + itemPadding*2 + item3D*2;

        if(this.style == 'top') {

          if(level == 2) for(j = cnt = 0; j < section; j++) {

            if(this.items[j].level == 1) cnt++;

          }

          left = this.mainLeft + this.mainBorderWidth + (this.mainItemWidth + this.mainItemPadding*2 + this.mainItem3D*2 + this.mainItemSpacer) * (cnt-1);

          left += (level-2) * (width - this.subOffsetLeft);

        }

        else left = this.mainLeft + this.mainItemWidth - this.subOffsetLeft + ((this.mainBorderWidth+this.mainItemPadding+this.mainItem3D)*2) + (level-2) * (width-this.subOffsetLeft);

      }

      height = 0;



      for(j = section; j < this.items.length; j++) {

        if(this.items[j].parent == this.items[section].parent) {

          if(level < 2 && this.style == 'top') {

            width += this.mainItemWidth + itemPadding*2 + item3D*2 + spacer;

            if(this.items[j].height > height) height = mainHeight = this.items[j].height;

          }

          else height += this.items[j].height + itemPadding*2 + item3D*2 + spacer;

        }

      }

      if(this.style == 'top') {

        if(level < 2) {

          width += border*2 - spacer;

          height += itemPadding*2 + item3D*2 + spacer;

          mainHeight += border + itemPadding*2 + item3D*2;

        }

        else if(level == 2) {

          this.sections[i].topY += mainHeight;

          this.sections[i].y = this.sections[i].topY;

        }

      }

      height += border*2 - spacer;



      if(color.search(/\.(jpg|jpeg|jpe|gif|png)$/i) != -1) {

        bgImg = color;

        color = '';

      }

      else bgImg = this.imgBlank;



      this.sections[i].width = width;

      this.sections[i].height = height;



      if(IE4 || DOM) document.write('<div id="section' + this.mNr + '_' + i + '" style="position:absolute' +

                                    '; top:' + this.sections[i].topY + 'px' +

                                    '; left:' + left + 'px' +

                                    '; width:' + width + 'px' +

                                    '; height:' + height + 'px' +

                                    (color ? '; background-color:' + color : '') +

                                    '; z-index:' + i +

                                    '; visibility:hidden">');

      else if(NN4) document.write('<layer id="section' + this.mNr + '_' + i + '"' +

                                  ' top=' + this.sections[i].topY +

                                  ' left=' + left +

                                  ' width=' + width +

                                  ' height=' + height +

                                  (color ? ' bgcolor=' + color : '') +

                                  ' z-index=' + i +

                                  ' visibility="hide">');



      document.write('<a href="#" onMouseOver="mObj[' + this.mNr + '].mOver=true" onMouseOut="mObj[' + this.mNr + '].mOver=false">' +

                     '<img src="' + bgImg + '" border=0 width=' + this.sections[i].width +

                     ' height=' + this.sections[i].height + '></a>');



      this.buildItems(section-1, i);



      if(IE4 || DOM) document.write('</div>');

      else if(NN4) document.write('</layer>');



      if(this.mainOpacity && level < 2) this.setOpacity(i, this.mainOpacity);

      else if(this.subOpacity && level > 1) this.setOpacity(i, this.subOpacity);

    }

  }



  this.create = function() {

    this.mNr = mObj.length;

    if(mObj[this.mNr] = this) {

      this.buildSections();

      this.showMenu(0);

      if(this.iv) clearInterval(this.iv);

      this.iv = setInterval('mObj[' + this.mNr + '].checkIt()', 1);

    }

    else alert("Could not create menu!");

  }



  //-------------------------------------------------------------------------------------

  // Arguments: position level 1, [position level 2], ... [position level n]

  // Example:   jumpTo(1, 3, 2, 1) ==> this jumps to menu item 1.3.2.1

  // Note:      does not work with NN 4 (who knows why?)

  //

  this.jumpTo = function() {

    var pos, aktPos;

    var item = 0;

    var level = 1;

    if(!arguments) var arguments = this.jumpTo.arguments;

    for(i = 0; i < arguments.length; i++, level++) {

      pos = arguments[i];

      for(aktPos = 0; item < this.items.length && aktPos < pos; item++) {

        if(this.items[item].level == level) aktPos++;

      }

    }

    if(item) {

      item--;

      if(this.items[item].onClick) eval(this.items[item].onClick);

      this.jumpURL(item);

    }

  }

  //-------------------------------------------------------------------------------------

}



function makeItem(level, height, text, url, target, onClick) {

  this.level = level;

  this.height = height;

  this.text = text;

  this.url = url;

  this.target = target;

  this.onClick = onClick;

  this.parent = -1;

}



function makeSection(nr, level, topY) {

  this.nr = nr;

  this.level = level;

  this.topY = topY;

  this.active = false;

  this.y = topY;

  this.width = 0;

  this.height = 0;

  this.timer = 0;

  this.opacity = 0;

}



//----------------------------------------------------------------------------------------------------