			function scrollnow(el, howMuch){
				scrollboxFx = new Fx.Style(el, 'margin-left', {
					duration: 1000, 
					transition: Fx.Transitions.quintOut
				});
				
				this.el = $(el);				
				var scroll_limit = this.el.offsetWidth - this.el.parentNode.offsetWidth;												
				var now_value = $(el).getStyle('margin-left').toInt();	
				if(!(now_value)) now_value = 0;									
				
				if ( ((now_value - howMuch) <= 50) && ((now_value - howMuch) >= -(Math.abs(howMuch) + scroll_limit ))) {
					return scrollboxFx.start(now_value, now_value - howMuch);
				}
				
				
			
			}