var effect;

/**
 Feature scroller scroll back
**/
function scrollBack(){
	
	if(effect){
		effect.stop();
	}
	
	effect = new Fx.Style('holder', 'marginLeft', {
				duration: 1300,
				transition:  Fx.Transitions.Sine.easeInOut
			});
	var left = document.getElementById("holder").style.marginLeft;
	if (left == "")
		left = 0;
	effect.start(parseInt(left)+150);
}

function scrollFwd(){

	if(effect){
		effect.stop();
	}
	effect = new Fx.Style('holder', 'marginLeft', {
				duration: 1300,
				transition:  Fx.Transitions.Sine.easeInOut
			});
	var left = document.getElementById("holder").style.marginLeft;
	if (left == "")
		left = 0;

	effect.start(parseInt(left)-150);
}
		
function stopEffect(){

	if(effect){
		effect.stop();
	}

}