/*==================================================
  Copyright (c) 2006 Patrick Fitzgerald
  ==================================================*/

function tabberObj(argsObj)
{
  var arg;

  this.div = null;

  this.classMain = "tabber";
  this.classMainLive = "tabberlive";
  this.classTab = "tabbertab";
  this.classTabDefault = "tabbertabdefault";
  this.classNav = "tabbernav";
  this.classTabHide = "tabbertabhide";
  this.classNavActive = "tabberactive";
  this.titleElements = ['h2','h3','h4','h5','h6'];
  this.titleElementsStripHTML = true;
  this.removeTitle = true;
  this.addLinkId = false;
  this.linkIdFormat = '<tabberid>nav<tabnumberone>';

  for (arg in argsObj) { this[arg] = argsObj[arg]; }

  this.REclassMain = new RegExp('\\b' + this.classMain + '\\b', 'gi');
  this.REclassMainLive = new RegExp('\\b' + this.classMainLive + '\\b', 'gi');
  this.REclassTab = new RegExp('\\b' + this.classTab + '\\b', 'gi');
  this.REclassTabDefault = new RegExp('\\b' + this.classTabDefault + '\\b', 'gi');
  this.REclassTabHide = new RegExp('\\b' + this.classTabHide + '\\b', 'gi');

  this.tabs = new Array();

  if (this.div) {
    this.init(this.div);
    this.div = null;
  }
}

tabberObj.prototype.init = function(e) {
  var
  childNodes, /* child nodes of the tabber div */
  i, i2, /* loop indices */
  t, /* object to store info about a single tab */
  defaultTab= -1, /* which tab to select by default */
  DOM_ul, /* tabbernav list */
  DOM_li, /* tabbernav list item */
  DOM_a, /* tabbernav link */
  aId, /* A unique id for DOM_a */
  headingElement; /* searching for text to use in the tab */

  if (!document.getElementsByTagName) { return false; }

  if (e.id) {
    this.id = e.id;
  }

  this.tabs.length = 0;

  childNodes = e.childNodes;
  for(i=0; i < childNodes.length; i++) {

    if(childNodes[i].className && childNodes[i].className.match(this.REclassTab)) {
      
      t = new Object();
      t.div = childNodes[i];
      this.tabs[this.tabs.length] = t;
      if (childNodes[i].className.match(this.REclassTabDefault)) {
				defaultTab = this.tabs.length-1;
      }
    }
  }

  /* Create a new UL list to hold the tab headings */
  DOM_ul = document.createElement("ul");
  DOM_ul.className = this.classNav;
  
  /* Loop through each tab we found */
  for (i=0; i < this.tabs.length; i++) {

    t = this.tabs[i];

    t.headingText = t.div.title;

    if (this.removeTitle) { t.div.title = ''; }

    DOM_li = document.createElement("li");
    t.li = DOM_li;

    DOM_a = document.createElement("a");
    DOM_a.appendChild(document.createTextNode(t.headingText));
    DOM_a.href = "javascript:void(null);";
    DOM_a.title = t.headingText;
    DOM_a.onclick = this.navClick;

    DOM_a.tabber = this;
    DOM_a.tabberIndex = i;

    if (this.addLinkId && this.linkIdFormat) {

      aId = this.linkIdFormat;
      aId = aId.replace(/<tabberid>/gi, this.id);
      aId = aId.replace(/<tabnumberzero>/gi, i);
      aId = aId.replace(/<tabnumberone>/gi, i+1);
      aId = aId.replace(/<tabtitle>/gi, t.headingText.replace(/[^a-zA-Z0-9\-]/gi, ''));

      DOM_a.id = aId;
    }

    /* Add the link to the list element */
    DOM_li.appendChild(DOM_a);

    /* Add the list element to the list */
    DOM_ul.appendChild(DOM_li);
  }

  /* Add the UL list to the beginning of the tabber div */
  e.insertBefore(DOM_ul, e.firstChild);

  /* Make the tabber div "live" so different CSS can be applied */
  e.className = e.className.replace(this.REclassMain, this.classMainLive);

  /* Activate the default tab, and do not call the onclick handler */
  if (defaultTab != -1) this.tabShow(defaultTab);

  /* If the user specified an onLoad function, call it now. */
  if (typeof this.onLoad == 'function') {
    this.onLoad({tabber:this});
  }
  return this;
};

tabberObj.prototype.navClick = function(event) {
  var
  rVal, /* Return value from the user onclick function */
  a, /* element that triggered the onclick event */
  self, /* the tabber object */
  tabberIndex, /* index of the tab that triggered the event */
  onClickArgs; /* args to send the onclick function */

  a = this;
  if (!a.tabber) { return false; }

  self = a.tabber;
  tabberIndex = a.tabberIndex;

  a.blur();

  if (typeof self.onClick == 'function') {

    onClickArgs = {'tabber':self, 'index':tabberIndex, 'event':event};

    /* IE uses a different way to access the event object */
    if (!event) { onClickArgs.event = window.event; }

    rVal = self.onClick(onClickArgs);
    if (rVal === false) { return false; }
  }

  self.tabShow(tabberIndex);

  return false;
};


tabberObj.prototype.tabHideAll = function() {
  var i;
  for (i = 0; i < this.tabs.length; i++) {
    this.tabHide(i);
  }
};

tabberObj.prototype.tabHide = function(tabberIndex) {
  if (!this.tabs[tabberIndex]) { return false; }

  var div;

  div = this.tabs[tabberIndex].div;

  if (!div.className.match(this.REclassTabHide)) {
    div.className += ' ' + this.classTabHide;
  }
  this.navClearActive(tabberIndex);

  return this;
};

tabberObj.prototype.tabLoad = function(tabberIndex) {
  if (!this.tabs[tabberIndex]) { return false; }

	var oDiv		= this.tabs[tabberIndex].div;
	var sStart	= oDiv.getAttribute('a_start');
	var sPage		= '';
	var oContent = oDiv.getElementsByTagName('content')[0];

	if (oDiv.getAttribute('a_load') == 'done') { return true; }
	
	oDiv.setAttribute('a_load','done');

	var oAJAXContainer = document.createElement('div');
	oAJAXContainer.innerHTML = '<p style="font:12pt Verdana;"><img src="/~global/images/divers/waiting.gif">Loading...<\/p>';
	oDiv.replaceChild(oAJAXContainer,oContent);
	sPage	= (SendData(oDiv.getAttribute('a_page'), oDiv.getAttribute('a_qs'), true, 'xml'));

	if ( sPage.indexOf('||cmd') != -1) {
		sStart = sPage.substring(sPage.indexOf('||cmd')+6, sPage.lastIndexOf('||'));
		sPage = sPage.replace('||cmd:'+sStart+'||','');
	}

	if (oDiv.getAttribute('a_hf') == 'yes') {
		sPage = document.getElementById('tabhead').innerHTML.replace(/TABNR/g,tabberIndex) + sPage + document.getElementById('tabfoot').innerHTML.replace(/TABNR/g,tabberIndex);
	}

	oAJAXContainer.innerHTML = sPage;

	if (sStart) eval(sStart);

	return true;

};

tabberObj.prototype.tabShow = function(tabberIndex) {
  var div;

	if (isNaN(tabberIndex) == true ) {
		for (var i=0; i < this.tabs.length; i++) {
			if (tabberIndex == this.tabs[i].headingText) {
				tabberIndex = i;
				break;
			}
		}
	}

  if (!this.tabs[tabberIndex]) { return false; }

	this.tabLoad(tabberIndex);

  this.tabHideAll();

  div = this.tabs[tabberIndex].div;

  div.className = div.className.replace(this.REclassTabHide, '');

  this.navSetActive(tabberIndex);

  if (typeof this.onTabDisplay == 'function') {
    this.onTabDisplay({'tabber':this, 'index':tabberIndex});
  }

	if (div.getAttribute('a_nested') == 'yes') document.getElementById('tabnested').tabber.tabShow(0);

  return this;
};

tabberObj.prototype.navSetActive = function(tabberIndex) {
  this.tabs[tabberIndex].li.className = this.classNavActive;
  return this;
};


tabberObj.prototype.navClearActive = function(tabberIndex) {
  this.tabs[tabberIndex].li.className = '';
  return this;
};

function tabberAutomatic(tabberArgs) {
  var tempObj, divs, i;

  if (!tabberArgs) { tabberArgs = {}; }

  tempObj = new tabberObj(tabberArgs);

  divs = document.getElementsByTagName("div");
  for (i=0; i < divs.length; i++) {
		if (divs[i].className && divs[i].className.match(tempObj.REclassMain)) {
      tabberArgs.div = divs[i];
      divs[i].tabber = new tabberObj(tabberArgs);
    }
  }
  return this;
}

function tabberAutomaticOnLoad(tabberArgs) {
  var oldOnLoad;

  if (!tabberArgs) { tabberArgs = {}; }

  oldOnLoad = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = function() {
      tabberAutomatic(tabberArgs);
    };
  } else {
    window.onload = function() {
      oldOnLoad();
      tabberAutomatic(tabberArgs);
    };
  }
}

if (typeof tabberOptions == 'undefined') {
	tabberAutomaticOnLoad();
} else {
  if (!tabberOptions['manualStartup']) {
    tabberAutomaticOnLoad(tabberOptions);
  }
}


function getAnchorPosition (anchorName) {
	// alert(parseInt(anchorName.substring(2)));
	// alert(parseInt(anchorName));
	for (var i=0;i<window.document.anchors.length;i++) {
		if (window.document.anchors[i].name==anchorName) var anchor=window.document.anchors[i];
	}
	if (document.layers) { 
		return { x: anchor.x, y: anchor.y };
	} else if (document.getElementById) {
		
		var coords = {x: 0, y: 0 };
		while (anchor) {
			coords.x += anchor.offsetLeft;
			coords.y += anchor.offsetTop;
			anchor = anchor.offsetParent;
		}
		return coords;
	}
}

function ScrollMeTo () {
//	var scrollDown = parseInt(window.document.location.hash.substring(1).substring(2)) * 2500;
// 	alert(scrollDown);
// 	scrollBy(1 , 1500);
}