/*
 +-------------------------------------------------------------------+
 |                     J S - T I C K E R   (v1.5)                    |
 |                                                                   |
 | Copyright Gerd Tentler                www.gerd-tentler.de/tools   |
 | Created: Oct. 20, 2004                Last modified: Nov. 6, 2009 |
 +-------------------------------------------------------------------+
 | 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/Vista: IE 8, Opera 9, Firefox 3, Chrome 3

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

 NOTE: IE 5 on Mac OS doesn't view elements (text etc.) below the ticker area properly; they will
 appear underneath the ticker area instead.
======================================================================================================
*/
//---------------------------------------------------------------------------------------------------------
// Ticker entries
//---------------------------------------------------------------------------------------------------------

var tickerEntries = new Array(
  "LATEST NEWS",
  "Ignite Your Power! Celebrating the opening of Power Healing with this great community event",
  "Power Living Canberra opening party 4th September 2010!",
  "Foundations of Flow Workshop in Manly on Sat 28 Aug & Neutral Bay on Sat 25 Sep",
  "Turn your practice upside down! Advanced Alignment & Inversions workshop with Alex & Duncan on 2 Oct in Manly",
  "NEW workshop! Dance On Your Edge Yoga with Sol & Elisha to give you the courage to explore your practice",
  "Duncan Peak's Meditation & Power Yoga CDs. Buy online or in studio"

);

//---------------------------------------------------------------------------------------------------------
// Configuration
//---------------------------------------------------------------------------------------------------------

var tickerWidth = 935;                               // width (pixels)
var tickerMargin = 0;                               // margin (pixels)
var tickerDelay = 40;                                // scrolling delay (smaller = faster)
var tickerSpacer = "+++";                            // spacer between ticker entries

var tickerBGColor = "none";                       // background color
var tickerHLColor = "none";                       // hilight (mouse over) color

var tickerFont = "Trebuchet MS, Arial, Helvetica, sans-serif";  // font family (CSS-spec)
var tickerFontSize = 12;                             // font size (pixels)
var tickerFontColor = "#f35a0e";                        // font color

var tickerBorderWidth = 0;                           // border width (pixels)
var tickerBorderStyle = "none";                    // border style (CSS-spec)
var tickerBorderColor = "none";                   // border color

//---------------------------------------------------------------------------------------------------------
// Functions
//---------------------------------------------------------------------------------------------------------

var DOM = document.getElementById;
var IE4 = document.all;

var tickerIV, tickerID;
var tickerItems = new Array();
var tickerHeight = tickerFontSize + 8;

function tickerGetObj(id) {
  if(DOM) return document.getElementById(id);
  else if(IE4) return document.all[id];
  else return false;
}

function tickerObject(id) {
  this.elem = tickerGetObj(id);
  this.width = this.elem.offsetWidth;
  this.x = tickerWidth;
  this.css = this.elem.style;
  this.css.width = this.width + 'px';
  this.css.left = this.x + 'px';
  this.move = false;
  return this;
}

function tickerNext() {
  if(!DOM && !IE4) return;
  var obj = tickerItems[tickerID];
  if(!obj.move) {
    obj.x = tickerWidth;
    obj.css.left = tickerWidth + 'px';
    obj.move = true;
  }
}

function tickerMove() {
  if(!DOM && !IE4) return;
  for(var i = 0; i < tickerItems.length; i++) {
    if(tickerItems[i].move) {
      if(tickerItems[i].x > -tickerItems[i].width) {
        tickerItems[i].x -= 2;
        tickerItems[i].css.left = tickerItems[i].x + 'px';
      }
      else tickerItems[i].move = false;
    }
  }
  if(tickerItems[tickerID].x + tickerItems[tickerID].width <= tickerWidth) {
    tickerID++;
    if(tickerID >= tickerItems.length) tickerID = 0;
    tickerNext();
  }
}

function tickerStart(init) {
  if(!DOM && !IE4) return;
  if(tickerBGColor) {
    var obj = tickerGetObj('divTicker');
    obj.style.backgroundColor = tickerBGColor;
  }
  if(init) {
    tickerID = 0;
    tickerNext();
  }
  tickerIV = setInterval('tickerMove()', tickerDelay);
}

function tickerStop() {
  if(!DOM && !IE4) return;
  clearInterval(tickerIV);
  if(tickerHLColor) {
    var obj = tickerGetObj('divTicker');
    obj.style.backgroundColor = tickerHLColor;
  }
}

function tickerInit() {
  if(!DOM && !IE4) return;
  for(var i = 0; i < tickerEntries.length; i++) {
    tickerItems[i] = new tickerObject('divTickerEntry' + (i+1));
  }
  var obj = tickerGetObj('divTicker');
  obj.style.width = tickerWidth + 'px';
  obj.style.visibility = 'visible';
  tickerStart(true);
}

function tickerReload() {
  if(!DOM && !IE4) return;
  document.location.reload();
}

window.onresize = tickerReload;
window.onload = tickerInit;

//---------------------------------------------------------------------------------------------------------
// Build ticker
//---------------------------------------------------------------------------------------------------------

document.write('<style> ' +
               '#divTicker { ' +
               'position: absolute; ' +
               'width: 10000px; ' +
               'height: ' + tickerHeight + 'px; ' +
               'cursor: default; ' +
               'overflow: hidden; ' +
               'visibility: hidden; ' +
               (tickerBorderWidth ? 'border-width: ' + tickerBorderWidth + 'px; ' : '') +
               (tickerBorderStyle ? 'border-style: ' + tickerBorderStyle + '; ' : '') +
               (tickerBorderColor ? 'border-color: ' + tickerBorderColor + '; ' : '') +
               '} ' +
               '.cssTickerContainer { ' +
               'position: relative; ' +
               'height: ' + tickerHeight + 'px; ' +
               'margin-top: ' + tickerMargin + 'px; ' +
               'margin-bottom: ' + tickerMargin + 'px; ' +
               '} ' +
               '.cssTickerEntry { ' +
               'font-family: ' + tickerFont + '; ' +
               'font-size: ' + tickerFontSize + 'px; ' +
               'color: ' + tickerFontColor + '; ' +
               '} ' +
               '</style>');

document.write('<div class="cssTickerContainer">' +
               '<div id="divTicker" onMouseOver="tickerStop()" onMouseOut="tickerStart()">');

for(var i = 0; i < tickerEntries.length; i++) {
  document.write('<div id="divTickerEntry' + (i+1) + '" class="cssTickerEntry" ' +
                 'style="position:absolute; top:2px; white-space:nowrap">' +
                 tickerEntries[i] + ((tickerEntries.length > 1) ? ' ' + tickerSpacer + '&nbsp;' : '') +
                 '</div>');
}
document.write('</div></div>');

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