/************************************************************************************************************
(C) www.dhtmlgoodies.com, October 2005

This is a script from www.dhtmlgoodies.com. You will find this and a lot of other scripts at our website.

Terms of use:
You are free to use this script as long as the copyright message is kept intact. However, you may not
redistribute, sell or repost it without our permission.

Thank you!

www.dhtmlgoodies.com
Alf Magne Kalleland
---------------------------------------------
Modified by www.kriostech.com, June 2008
Check [custom]
************************************************************************************************************/

var dhtmlgoodies_menuObj;   // Reference to the menu div
var currentZIndex = 1000;
var liIndex = 0;
var visibleMenus = new Array();
var activeMenuItem = false;
var timeBeforeAutoHide = 1200; // Microseconds from mouse leaves menu to auto hide.
//var dhtmlgoodies_menu_arrow = 'http://www.dhtmlgoodies.com/scripts/dhtmlgoodies-menu2/images/arrow.gif';
var dhtmlgoodies_menu_arrow = '';

var isMSIE = navigator.userAgent.indexOf('MSIE')>=0?true:false;
var isFirefox = navigator.userAgent.toLowerCase().indexOf('firefox')>=0?true:false;
var navigatorVersion = navigator.appVersion.replace(/.*?MSIE ([0-9]\.[0-9]).*/g,'$1')/1;
var menuBlockArray = new Array();
var menuParentOffsetLeft = false;

// [custom]
var useFixedSubLeftPos   = true;
var mainOffSetMarginTop  = 14;
var subOffSetMarginTop   = -1;
var menuOffSetMarginLeft = 20;  // if not useFixedSubLeftPos
var menuSubOffsetWidth   = 164; // if useFixedSubLeftPos [optional]

var menuAlignRight       = true;
var totalPageWidth       = 750;
var menuMarginRight      = 10;


// {{{ getStyle()
/**
* Return specific style attribute for an element
*
* @param Object el = Reference to HTML element
* @param String property = Css property
* @private
*/
function getStyle(el,property)
{ if(document.defaultView && document.defaultView.getComputedStyle)
  { var retVal = null;
    var comp   = document.defaultView.getComputedStyle(el, '');
    if(comp)
    { retVal = comp[property];
      if(!retVal)
      { var comp = document.defaultView.getComputedStyle(el, null);
        retVal = comp.getPropertyCSSValue(property);
      }
    }
    if(retVal==null) retVal='';
    return el.style[property] || retVal;
  }
  if(document.documentElement.currentStyle && isMSIE)
  { var value = el.currentStyle ? el.currentStyle[property] : null;
    return ( el.style[property] || value );
  }
  return el.style[property];
}

function getTopPos(inputObj)
{ var origInputObj = inputObj;
  var returnValue  = inputObj.offsetTop;

  if(inputObj.tagName=='LI' && inputObj.parentNode.className=='menuBlock1')
  { var aTag = inputObj.getElementsByTagName('A')[0];
    if(aTag)returnValue += aTag.parentNode.offsetHeight;
  }
  var topOfMenuReached = false;
  while((inputObj = inputObj.offsetParent) != null)
  { if(inputObj.parentNode.id=='dhtmlgoodies_menu')topOfMenuReached=true;
    if(topOfMenuReached && !inputObj.className.match(/menuBlock/gi) || (!isMSIE && origInputObj.parentNode.className=='menuBlock1'))
    { var style = getStyle(inputObj,'position');
      if(style=='absolute' || style=='relative')
      { return returnValue;
      }
    }
    returnValue += inputObj.offsetTop;
  }
  return returnValue;
}

function getLeftPos(inputObj)
{ var returnValue = inputObj.offsetLeft;
  var topOfMenuReached = false;
  while((inputObj = inputObj.offsetParent) != null)
  { if(inputObj.parentNode.id=='dhtmlgoodies_menu')topOfMenuReached=true;
    if(topOfMenuReached && !inputObj.className.match(/menuBlock/gi))
    { var style = getStyle(inputObj,'position');
      if(style=='absolute' || style=='relative')return returnValue;
    }
    returnValue += inputObj.offsetLeft;
  }
  return returnValue;
}

function showHideSub()
{ var attr = this.parentNode.getAttribute('currentDepth');
  if(navigator.userAgent.indexOf('Opera')>=0)
  { attr = this.parentNode.currentDepth;
  }
  this.className = 'currentDepth' + attr + 'over';
  if(activeMenuItem && activeMenuItem!=this)
  { activeMenuItem.className=activeMenuItem.className.replace(/over/,'');
  }
  activeMenuItem = this;

  var numericIdThis = this.id.replace(/[^0-9]/g,'');
  var exceptionArray = new Array();
  // Showing sub item of this LI
  var sub = document.getElementById('subOf' + numericIdThis);
  if(sub)
  { visibleMenus.push(sub);
    sub.style.display='';
    sub.parentNode.className = sub.parentNode.className + 'over';
    exceptionArray[sub.id] = true;
  }
  // Showing parent items of this one
  var parent = this.parentNode;
  while(parent && parent.id && parent.tagName=='UL')
  { visibleMenus.push(parent);
    exceptionArray[parent.id] = true;
    parent.style.display='';

    var li = document.getElementById('dhtmlgoodies_listItem' + parent.id.replace(/[^0-9]/g,''));
    if(li.className.indexOf('over')<0)li.className = li.className + 'over';
    parent = li.parentNode;
  }
  hideMenuItems(exceptionArray);
}

function hideMenuItems(exceptionArray)
{ /* Hiding visible menu items */
  var newVisibleMenuArray = new Array();
  for(var no=0;no<visibleMenus.length;no++)
  { if(visibleMenus[no].className!='menuBlock1' && visibleMenus[no].id)
    { if(!exceptionArray[visibleMenus[no].id])
      { var el = visibleMenus[no].getElementsByTagName('A')[0];
        visibleMenus[no].style.display = 'none';
        var li = document.getElementById('dhtmlgoodies_listItem' + visibleMenus[no].id.replace(/[^0-9]/g,''));
        if(li.className.indexOf('over')>0)li.className = li.className.replace(/over/,'');
      }
      else
      { newVisibleMenuArray.push(visibleMenus[no]);
      }
    }
  }
  visibleMenus = newVisibleMenuArray;
}

var menuActive = true;
var hideTimer = 0;
function mouseOverMenu()
{ menuActive = true;
}

function mouseOutMenu()
{ menuActive = false;
  timerAutoHide();
}

function timerAutoHide()
{ if(menuActive)
  { hideTimer = 0;
    return;
  }
  if(hideTimer<timeBeforeAutoHide)
  { hideTimer+=100;
    setTimeout('timerAutoHide()',99);
  }
  else
  { hideTimer = 0;
    autohideMenuItems();
  }
}

function autohideMenuItems()
{ if(!menuActive)
  { hideMenuItems(new Array());
    if(activeMenuItem)activeMenuItem.className=activeMenuItem.className.replace(/over/,'');
  }
}

function initSubMenus(inputObj,initOffsetLeft,currentDepth)
{ var subUl = inputObj.getElementsByTagName('UL');
  if(subUl.length>0)
  { var ul = subUl[0];
    ul.id = 'subOf' + inputObj.id.replace(/[^0-9]/g,'');
    ul.setAttribute('currentDepth' ,currentDepth);
    ul.currentDepth = currentDepth;
    ul.className='menuBlock' + currentDepth;
    ul.onmouseover = mouseOverMenu;
    ul.onmouseout = mouseOutMenu;
    currentZIndex+=1;
    ul.style.zIndex = currentZIndex;
    menuBlockArray.push(ul);
    ul = dhtmlgoodies_menuObj.appendChild(ul);
    var topPos  = getTopPos(inputObj) + (currentDepth==2?mainOffSetMarginTop:subOffSetMarginTop); // custom
    var leftPos = getLeftPos(inputObj)/1 + initOffsetLeft/1;

    ul.style.position = 'absolute';
    ul.style.left = leftPos + 'px';
    ul.style.top = topPos + 'px';
    var li = ul.getElementsByTagName('LI')[0];
    var winwidth = getWindowWidth(); // custom

    while(li)
    { if(li.tagName=='LI')
      { li.className='currentDepth' + currentDepth;
        //if(isFirefox)
        //{ li.style.paddingTop='2px'; // custom
        //  li.style.paddingBottom='2px'; // custom
        //}
        li.id = 'dhtmlgoodies_listItem' + liIndex;
        liIndex++;
        var uls = li.getElementsByTagName('UL');
        li.onmouseover = showHideSub;

        if(uls.length>0)
        { /************ set sub left position ***************/
          if(useFixedSubLeftPos)
          { if(menuSubOffsetWidth)
            { if(winwidth && winwidth < leftPos + menuSubOffsetWidth*2)
                var offsetToFunction = -menuSubOffsetWidth-2; // custom
              else
                var offsetToFunction = menuSubOffsetWidth; // custom
            }
            else
            { if(winwidth && winwidth < leftPos + ul.offsetWidth*2)
                var offsetToFunction = -ul.offsetWidth-2; // custom
              else
                var offsetToFunction = ul.offsetWidth; // custom
            }
          }
          else
            var offsetToFunction = li.getElementsByTagName('A')[0].offsetWidth+menuOffSetMarginLeft;
          if(navigatorVersion<6 && isMSIE)offsetToFunction+=15;   // MSIE 5.x fix
          initSubMenus(li,offsetToFunction,(currentDepth+1));
        }
        if(isMSIE)
        { //var a = li.getElementsByTagName('A')[0];
          //a.style.width=li.offsetWidth+'px';
          //a.style.display='block';
        }
      }
      li = li.nextSibling;
    }
    ul.style.display = 'none';
  }
}

function resizeMenu()
{ var offsetParent = getLeftPos(dhtmlgoodies_menuObj);
  for(var no=0;no<menuBlockArray.length;no++)
  { var leftPos = menuBlockArray[no].style.left.replace('px','')/1;
    menuBlockArray[no].style.left = leftPos + offsetParent - menuParentOffsetLeft + 'px';
  }
  menuParentOffsetLeft = offsetParent;
}

/*
Initializing menu
*/
function initDhtmlGoodiesMenu()
{ dhtmlgoodies_menuObj = document.getElementById('dhtmlgoodies_menu');
  var aTags = dhtmlgoodies_menuObj.getElementsByTagName('A');
  for(var no=0;no<aTags.length;no++)
  { var subUl = aTags[no].parentNode.getElementsByTagName('UL');
    if(dhtmlgoodies_menu_arrow && subUl.length>0 && aTags[no].parentNode.parentNode.parentNode.id != 'dhtmlgoodies_menu')
    { var img = document.createElement('IMG');
      img.src = dhtmlgoodies_menu_arrow;
      aTags[no].appendChild(img);
    }
  }

  var mainMenu = dhtmlgoodies_menuObj.getElementsByTagName('UL')[0];
  mainMenu.className='menuBlock1';
  mainMenu.style.zIndex = currentZIndex;
  mainMenu.setAttribute('currentDepth' ,1);
  mainMenu.currentDepth = '1';
  mainMenu.onmouseover = mouseOverMenu;
  mainMenu.onmouseout = mouseOutMenu;

  var mainMenuItemsArray = new Array();
  var mainMenuItem = mainMenu.getElementsByTagName('LI')[0];
  mainMenu.style.height = mainMenuItem.offsetHeight + 2 + 'px';
  var totalMenuWidth = 0; // custom

  while(mainMenuItem)
  { mainMenuItem.className='currentDepth1';
    mainMenuItem.id = 'dhtmlgoodies_listItem' + liIndex;
    mainMenuItem.onmouseover = showHideSub;
    liIndex++;
    if(mainMenuItem.tagName=='LI')
    { mainMenuItem.style.cssText = 'float:left;';
      mainMenuItem.style.styleFloat = 'left';
      mainMenuItemsArray[mainMenuItemsArray.length] = mainMenuItem;
      //initSubMenus(mainMenuItem,0,2);
    }
    if(mainMenuItem.offsetWidth)
    { totalMenuWidth = totalMenuWidth + mainMenuItem.offsetWidth; // custom
    }
    mainMenuItem = mainMenuItem.nextSibling;
  }
  if(menuAlignRight)
  { dhtmlgoodies_menuObj.style.marginLeft = (totalPageWidth - totalMenuWidth - menuMarginRight) + 'px'; // custom
  }
  for(var no=0;no<mainMenuItemsArray.length;no++)
  { initSubMenus(mainMenuItemsArray[no],0,2);
  }
  menuParentOffsetLeft = getLeftPos(dhtmlgoodies_menuObj);
  window.onresize = resizeMenu;
  dhtmlgoodies_menuObj.style.visibility = 'visible';
}

// [custom]
function getWindowWidth()
{ var winwidth = 0;
  if(typeof(window.innerWidth)=='number')
    var winwidth = window.innerWidth;
  else(typeof(document.body.clientWidth)=='number')
    var winwidth = document.body.clientWidth;
  return winwidth;
}

window.onload = initDhtmlGoodiesMenu;
