function NewsTicker(x,y,width,height) {
//  this.name = 'NewsTicker'+(NewsTicker.count++);

  this.name = 'ticker';

  this.x = x;

  this.y = y;

  this.w = width;

  this.h = height;

  this.obj = this.name + "Object";

  eval(this.obj + "=this");

  this.items = new Array();

  this.scrollCount = 0;

  
  // default values  
  this.pauseLength = 3000;

  this.inc = 2;

  this.speed = 30;


  this.fromX = 0;

  this.fromY = this.h;

  this.bgColor = null;

  this.addItem = NewsTickerAddItem;

  this.activate = NewsTickerActivate;

  this.build = NewsTickerBuild;

  this.start = NewsTickerStart;

  this.stop = NewsTickerStop;

  this.slide = NewsTickerSlide;

  this.setPause = NewsTickerSetPause;

  this.setSpeed = NewsTickerSetSpeed;

}

function NewsTickerSetSpeed(speed) {
    this.speed = speed;

}

function NewsTickerSetPause(pause) {
  this.pauseLength = pause;

}

function NewsTickerAddItem(text) {
  var i = this.items.length;

  this.items[i] = new Object();

  this.items[i].text = text;

}

function NewsTickerBuild() {
  this.css = css(this.name,this.x,this.y,this.w,this.h);

  this.div = '<div id="'+this.name+'">';

  for (var i=0;i<this.items.length;i++) {
    this.css += css(this.name+'Item'+i,0,0,this.w,this.h,this.bgColor,'hidden');

    this.div += '<div id="'+this.name+'Item'+i+'">'+this.items[i].text+'</div>';

  }
  this.div += '</div>';

}

function NewsTickerActivate(autostart) {
  for (var i=0;
i<this.items.length;i++) {
    this.items[i].lyr = new DynLayer(this.name+'Item'+i);

    this.items[i].lyr.moveTo(this.fromX,this.fromY);

    this.items[i].lyr.show();

  }
  this.items[0].lyr.moveTo(0,0);

  //this.lyr = new DynLayer(this.name);

  this.lyr = document.getElementById(this.name);

  var num = Math.sqrt(Math.pow(this.fromX,2) + Math.pow(this.fromY,2))/this.inc;

  this.dx = this.fromX/num || 0;

  this.dy = this.fromY/num || 0;

  if (autostart!=false) setTimeout(this.obj+'.start()',this.pauseLength);

}

function NewsTickerStart() {
  if (!this.started) {
    this.started = true;

    var t = this.scrollCount;
    var b = (this.scrollCount==this.items.length-1)? 0 : this.scrollCount+1;

    var obj1 = this.items[t].lyr.obj;

    var obj2 = this.items[b].lyr.obj;

    this.timer = setInterval(this.obj+'.slide('+obj1+','+obj2+')',this.speed);

  }
}

function NewsTickerStop() {
  clearInterval(this.timer);
  this.started = false;

}

function NewsTickerSlide(obj1,obj2) {
  obj1.moveBy(-this.dx,-this.dy);
  obj2.moveBy(-this.dx,-this.dy);

  if ((this.dx!=0 && Math.floor(obj2.x)==0) || (this.dy!=0 && Math.floor(obj2.y)==0)) {
    clearInterval(this.timer);
    obj1.moveTo(this.fromX,this.fromY);

    obj2.moveTo(0,0);

    this.scrollCount = (this.scrollCount==this.items.length-1)? 0 : this.scrollCount+1;

    this.timer = setTimeout(this.obj+'.started=false;'+this.obj+'.start()',this.pauseLength);

  }
}

NewsTicker.count = 0;