function CM_slider(cms_no)
{	
	this.recordCount = 0;	
	this.elm = null;
	this.current = 0;
	this.direction = -1;
	this.itemWidth = 0;
	this.visibleCount = 0;
	this.firstSlide = true;
	this.stepTime = 60;
	this.stepCount = 10;
	this.stepAmount = 0;
	this.stepIndex = 0;
	this.totalWidth = 0;
	this.lastestLeft = 0;
	this._automaticStepTime = 5000;
	this._automaticTimer = null;
	this.timerIndex = null;
	this._start = _start;
	this._action = _action;
	this._clear = _clear;
	this._go = _go;
	this.go = go;
	this._automatic = _automatic;
	this._clearAutomaticTimer = _clearAutomaticTimer;
	this._checkStatus = _checkStatus;
	
	function _start()
	{
		if(!this.elm)
			return false;
		
		tmp = this.elm.getElementsByTagName('div');

		for(i = 0; i<tmp.length; i++) {
			if(tmp[i].className == (cms_no + '_slider_item')) {
				this.recordCount += 1;
				this.itemWidth = tmp[i].offsetWidth; // alert(this.itemWidth);
			}
		}
		
		this.visibleCount = parseInt(this.elm.offsetWidth / this.itemWidth) * 1;
		this.totalWidth = this.itemWidth * this.recordCount;
		this.stepAmount = parseInt(this.itemWidth / this.stepCount);
		this.lastestLeft = document.getElementById(cms_no + "_item_" + (this.recordCount - 1)).offsetLeft;
	}
	
	function _action()
	{
		if(!this.recordCount)
			return false;
		else if(this.visibleCount >= this.recordCount)
			return false;
		
		this._automatic();
	//	this._go();
	}
	
	function _go()
	{
		this.stepIndex++;
		
		if(this.stepIndex == this.stepCount) {
			_step = this.itemWidth - (this.stepCount * this.stepAmount) + this.stepAmount;
		//	alert(_step);
		//	alert(this.itemWidth + ' - (' + this.stepCount + ' * ' + this.stepAmount + ') + ' + this.stepAmount);
		}
		else {
			_step = this.stepAmount;
		}
		
		for(i = 0; i < this.recordCount; i++) {
			tmp = document.getElementById(cms_no + "_item_" + i).offsetLeft + _step * this.direction;
			if(tmp > this.lastestLeft)
				tmp = _step - this.itemWidth;
			document.getElementById(cms_no + "_item_" + i).style.left = tmp + "px";
		}
		
		if(this.stepIndex == this.stepCount) {
			this._clear();
		}
		else {
			this.timerIndex = setTimeout(cms_no + "._go();", this.stepTime);
		}
	}
	
	function go(direction,automatic) 
	{
		if(!automatic)
			this._clearAutomaticTimer(); // Kaydirma islemini durdur
		
		if(this.current + direction > 0)
			return false;
		
		if((this.recordCount - this.visibleCount) < Math.abs(this.current + direction))
			return false;

		this.direction = direction;
		this.current += direction;
		this._go();		
	}
	
	function _clear()
	{
		this.stepIndex = 0;
		
		if(this.timerIndex != null)
			clearTimeout(this.timerIndex);
		this.timerIndex = null;
	}
	
	function _clearAutomaticTimer()
	{
		if (this._automaticTimer != null)
			clearTimeout(this._automaticTimer);
		this._automaticTimer = null;		
	}
	
	function _automatic() 
	{
		if(this.firstSlide) {
			var temp = setTimeout("this.go(this.direction,1)", this._automaticStepTime);
			clearTimeout(temp);
			this.firstSlide = false;
		}
		else {
			this._checkStatus();
			this.go(this.direction, 1);
		}
		this._automaticTimer = setTimeout(cms_no + "._automatic();", this._automaticStepTime);
	}
	
	function _checkStatus()
	{
		var index = this.recordCount - this.visibleCount;
		
		if(this.current == -(index))
			this.direction = 1;
		else if(this.current == 0)
			this.direction = -1;	
	}
}