var initWidth 	= 0;
var step 		= 108;
var curWidth    = 0;;

function leftSlide()
{
	//alert(curWidth - step);
	if(initWidth > 0 && (curWidth - step) >= $('picContainerOut').offsetWidth)
	{
		new Effect.MoveBy('picContainerIn', 0, step, {transition: Effect.Transitions.sinoidal, duration: 0.5});
		curWidth -= step;
	}
}

function rightSlide()
{
	//alert(curWidth + step);
	if(initWidth > 0 && (curWidth + step) <= initWidth)
	{
		new Effect.MoveBy('picContainerIn', 0, -step,  {transition: Effect.Transitions.sinoidal, duration: 0.5});
		curWidth += step;
	}
}

function initWdths()
{
	initWidth = 0;
	if($('picsTable').offsetWidth > $('picContainerOut').offsetWidth)
		initWidth = $('picsTable').offsetWidth;	
	
	curWidth = $('picContainerOut').offsetWidth;
	
	//alert(initWidth);
}