//*PROMO RIGHT -- SCROLL SCRIPTING:
cur_block = 1;
max_block = 6;
speed = 20;
block_size = 210;
function setScrollSettings(set_max_blocks,set_block_size,set_speed)
	{
	max_blocks = set_max_blocks;
	block_size = set_block_size;
	speed = set_speed;
	}

function scrollright()
	{
	cur_position  = cur_block * block_size - block_size;
	cur_block++;
	cur_block++;
	goto_amount = cur_block * block_size - block_size;
	if(cur_block >= max_block) { cur_block = max_block -1; } else
		{
		scrolltopos(cur_position,goto_amount,'right');
		}
	}

function scrollleft()
	{
	cur_position = cur_block * block_size - block_size;
	cur_block--;
	cur_block--;
	goto_amount = cur_block * block_size - block_size;
	if(cur_block < 1) { cur_block = 1; } else
		{
		scrolltopos(cur_position,goto_amount,'left');
		}
	}

function scrolltopos(position,finish,direction)
	{
	if(direction == 'left')
		{
		position -= speed;
		$('promo_container').scrollLeft -= speed;
		if(position <= finish)
			{
			$('promo_container').scrollLeft = finish;
			}
		else
			{
			setTimeout("scrolltopos(" + position + "," + finish + ",'" + direction + "')",10);
			}
		}
	else
		{
		position += speed;
		$('promo_container').scrollLeft += speed;
		if(position >= finish)
			{
			$('promo_container').scrollLeft = finish;
			}
		else
			{
			setTimeout("scrolltopos(" + position + "," + finish + ",'" + direction + "')",10);
			}
		}
	}


//*PROMO AND CROSSFADE SCRIPTING:
function showpromo(promonr)
	{
	$('promo1').style.visibility = 'hidden';
	$('promo2').style.visibility = 'hidden';
	$('promo3').style.visibility = 'hidden';
	$('promo4').style.visibility = 'hidden';
	$('promo' + promonr).style.visibility = 'visible';
	$('promo' + promonr).style.filter = "alpha(opacity=100)"
	$('promo' + promonr).style.opacity = 100;
	}

/**
 *  author:		Timothy Groves - http://www.brandspankingnew.net
 *	version:	1.3 - 2006-11-02
 *				1.2 - 2006-11-01
 *				1.1 - 2006-09-29
 *				1.0 - 2006-09-25
 *
 *	requires:	nothing
 *
 */

var useBSNns;

if (useBSNns)
{
	if (typeof(bsn) == "undefined")
		bsn = {}
	var _bsn = bsn;
}
else
{
	var _bsn = this;
}



// Constructor

_bsn.Crossfader = function (divs, fadetime, delay )
{	
	this.nAct = -1;
	this.aDivs = divs;
	
	for (var i=0;i<divs.length;i++)
	{
		document.getElementById(divs[i]).style.opacity = 0;
		document.getElementById(divs[i]).style.position = "absolute";
		document.getElementById(divs[i]).style.filter = "alpha(opacity=0)";
		document.getElementById(divs[i]).style.visibility = "hidden";
	}
	
	this.nDur = fadetime;
	this.nDelay = delay;

	this.stopPending = false;
	this.stopped = false;
		
	this._newfade();
}

// Public methods

_bsn.Crossfader.prototype.StopFade = function()
{
	if (this.stopped || this.stopPending)
	{
		return;
	}
	this.stopPending = true;
	//if (this.nID1)
	//	clearInterval(this.nID1);
}

_bsn.Crossfader.prototype.StartFade = function()
{
	if (this.stopPending)
	{
		this.stopPending = false; // Cancel pending stop
		return;
	}
	else if (!this.stopped)
	{
		return;
	}
	this._newfade();
}

_bsn.Crossfader.prototype.SetFade = function(newFade)
{
	newFade = parseFloat(newFade);
	if (isNaN(newFade))
	{
		return "Value provided for new fade time must be numeric";
	}
	if (newFade < 0)
	{
		return "Value provided for new fade time cannot be negative";
	}

	this.StopFade();
	this.nDur = newFade * 1000;
	this.StartFade();
	return "";
}

_bsn.Crossfader.prototype.SetDelay = function(newDelay)
{
	newDelay = parseFloat(newDelay);
	if (isNaN(newDelay))
	{
		return "Value provided for new display time must be numeric";
	}
	if (newDelay <= 0)
	{
		return "Value provided for new display time must be greater than zero";
	}

	this.StopFade();
	this.nDelay = newDelay * 1000;
	this.StartFade();
	return "";
}

// Private methods

_bsn.Crossfader.prototype._newfade = function()
{
	if (this.nID1)
		clearInterval(this.nID1);

	if (this.stopPending)
	{
		this.stopPending = false;
		this.stopped = true;
		return;
	}
	this.stopped = false;
	
	this.nOldAct = this.nAct;
	this.nAct++;
	if (!this.aDivs[this.nAct])	this.nAct = 0;
	
	if (this.nAct == this.nOldAct)
		return false;
	
	document.getElementById( this.aDivs[this.nAct] ).style.visibility = "visible";
	
	this.nInt = 50;
	this.nTime = 0;
	
	var p=this;
	this.nID2 = setInterval(function() { p._fade() }, this.nInt);
}

_bsn.Crossfader.prototype._fade = function()
{
	this.nTime += this.nInt;
	
	var ieop = Math.round( this._easeInOut(this.nTime, 0, 1, this.nDur) * 100 );
	var op = ieop / 100;
	document.getElementById( this.aDivs[this.nAct] ).style.opacity = op;
	document.getElementById( this.aDivs[this.nAct] ).style.filter = "alpha(opacity="+ieop+")";
	
	if (this.nOldAct > -1)
	{
		document.getElementById( this.aDivs[this.nOldAct] ).style.opacity = 1 - op;
		document.getElementById( this.aDivs[this.nOldAct] ).style.filter = "alpha(opacity="+(100 - ieop)+")";
	}
	
	if (this.nTime == this.nDur)
	{
		clearInterval( this.nID2 );
		
		if (this.nOldAct > -1)
			document.getElementById( this.aDivs[this.nOldAct] ).style.visibility = "hidden";	
		
		var p=this;
		this.nID1 = setInterval(function() { p._newfade() }, this.nDelay);
	}
}

_bsn.Crossfader.prototype._easeInOut = function(t,b,c,d)
{
	return c/2 * (1 - Math.cos(Math.PI*t/d)) + b;
}