/* --------------------------------------------------------
 * MMG-CRM - developed for Tabcorp
 * Tabaret Membership Program
 * Copyright (C) 2004-2006 MMG interactive
 * 
 * MMG interactive versioning:
 * ---------------
 * $Revision: 1960 $
 * $Author: chris $
 * $Date: 2006-09-29 17:53:06 +1000 (Fri, 29 Sep 2006) $ 
 * 
 * Tabcorp versioning:
 * -------------------
 * $Tag1$
 * $Tag2$
 * $Tag3$
 * --------------------------------------------------------
 */


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

document.getElementsByClassName = function (needle)
{
  var         my_array = document.getElementsByTagName("*");
  var         retvalue = new Array();
  var        i;
  var        j;

  for (i = 0, j = 0; i < my_array.length; i++)
  {
    var c = " " + my_array[i].className + " ";
    if (c.indexOf(" " + needle + " ") != -1)
      retvalue[j++] = my_array[i];
  }
  return retvalue;
}
function addEvent(obj, evType, fn)
{
	if (obj.addEventListener)
	{
		obj.addEventListener(evType, fn, true);
		return true;
	} 
	else if (obj.attachEvent)
	{
		var r = obj.attachEvent("on"+evType, fn);
		return r;
	} 
	else 
	{
		return false;
	}
}

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

function HelpHover()
{
	this._mousePosX = 0;
	this._mousePosY = 0;
	this._hoverItem = null;
	this._hoverContents = null;
}

HelpHover.prototype.init = function()
{
	var hh = this;
	var helpItems = document.getElementsByClassName('hasHelp');
	for (var i=0; i<helpItems.length; i++)
	{
		helpItems[i].onmousemove = function(e)
		{
			if (!e) var e = window.event;
			if (e.pageX || e.pageY)
			{
				hh.mousePosX = e.pageX;
				hh.mousePosY = e.pageY;
			}
			else if (e.clientX || e.clientY)
			{
				// ie...
				hh.mousePosX = e.clientX + document.body.scrollLeft;
				hh.mousePosY = e.clientY + document.body.scrollTop;
			}
			hh._hoverItem = this;
			hh._hoverContents = document.getElementById(this.id+'Help');
			hh.move();
		}
		helpItems[i].onmouseout = function (e)
		{
			hh.out();
		}
	}
}

HelpHover.prototype.out = function()
{
	this._hoverContents.style.top = -10000+'px';
	this._hoverContents.style.left = -10000+'px';
	this._hoverItem = null;
	this._hoverContents = null;
}

HelpHover.prototype.move = function()
{
	this._hoverContents.style.top = this.mousePosY+10+'px';
	if((document.body.clientWidth - this.mousePosX) > 190) {
		this._hoverContents.style.left = (this.mousePosX)+'px';
	} else {
		this._hoverContents.style.left = (this.mousePosX-180)+'px';
	}
}