/*
 +-------------------------------------------------------------------+
 |                     J S - T I C K E R   (v1.4)                    |
 |                                                                   |
 | Copyright Gerd Tentler               www.gerd-tentler.de/tools    |
 | Created: Oct. 20, 2004               Last modified: Jan. 26, 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.

 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(
  "<b>Art washes away from the soul the dust of everyday life - Pablo Picasso</b>",
  "<b>A work of art that contains theories is like an object on which the price tag has been left - Marcel Proust</b>",
  "<b>Great art is as irrational as great music. It is mad with its own loveliness - George Jean Nathan</b>",
  "<b>Creativity is allowing yourself to make mistakes. Art is knowing which ones to keep - Scott Adams</b>",
  "<b>When you're very young, you suddenly find this marvellous freedom, it's quite exciting, and you're prepared to do anything - David Hockney</b>",
  "<b>Great art is the outward expression of an inner life in the artist - Edward Hopper</b>",
  "<b>I tend to like things that already exist - Jasper Johns</b>",
  "<b>I think we're much smarter than we were. Everybody knows that abstract art can be art, and most people know that they may not like it, even if they understand there's another purpose to it - Roy Lichenstein</b>"
);

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

var tickerWidth = 500;                               // width (pixels)
var tickerMargin = 10;                               // margin (pixels)
var tickerDelay = 30;                                // scrolling delay (smaller = faster)
var tickerSpacer = "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;";                            // spacer between ticker entries

var tickerBGColor = "#ec0095";                       // background color
var tickerHLColor = "#ec0095";                       // hilight (mouse over) color

var tickerFont = "arial";  // font family (CSS-spec)
var tickerFontSize = 30;                             // font size (pixels)
var tickerFontColor = "#ffffff";                        // font color

var tickerBorderWidth = 20;                           // border width (pixels)
var tickerBorderStyle = "none";                    // border style (CSS-spec)
var tickerBorderColor = "#ec0095";                   // 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];
  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>');

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