var dynamicStyles = Class.create();
	dynamicStyles.prototype =
	{
		initialize: function( container, left_arrow, right_arrow, current_class_index, classes, any_element )
		{
			this.container = $(container);
			if( !this.container ) return false;

			this.classes = classes;
			this.max = (this.classes.length-1);
			if( this.max < 1 ) return false;

			this.current_class_index = current_class_index;

			this.left_arrow = $(left_arrow);
			this.right_arrow = $(right_arrow);

			this.any_element = null;
			if( any_element && $(any_element) ) this.any_element = $(any_element);

			Event.observe( this.left_arrow, 'click', this.changeStyle.bind( this, 1 ) );
			Event.observe( this.right_arrow, 'click', this.changeStyle.bind( this, 0 ) );
		},

		changeStyle: function( shift_left )
		{
			if( shift_left )
			{
				if( this.current_class_index == 0 ) this.current_class_index = this.max;
				else this.current_class_index--;
			}
			else
			{
				if( this.current_class_index == this.max ) this.current_class_index = 0;
				else this.current_class_index++;
			}

			if( this.any_element ) this.any_element.className = this.classes[this.current_class_index];
			this.container.className = this.classes[this.current_class_index];
		}
	}