var pageCount = 0;
	
	function checkPages(listId) {
		var totalPages = 3;
			$('enterprise_logos_top_arrow').src = '/decor/home_logos/hp-arrowleft-inactive.png';
			$('enterprise_logos_top_arrow_container').style.cursor = 'default';
			$('enterprise_logos_top_arrow_container').onclick = '';
		if ( totalPages == 1 ) {
			$('enterprise_logos_bottom_arrow').style.visibility = 'hidden';
			$('enterprise_logos_bottom_arrow_container').style.cursor = 'default';
			$('enterprise_logos_bottom_arrow_container').onclick = '';
		} else {
			$('enterprise_logos_bottom_arrow').style.visibility = 'visible';	
			$('enterprise_logos_bottom_arrow_container').style.cursor = 'pointer';
			$('enterprise_logos_bottom_arrow_container').style.cursor = 'hand';
			$('enterprise_logos_bottom_arrow_container').onclick = scrollForward;;	
		}
	}
		
	function scrollBack() {
		if ( pageCount > 0 ) {
			var el = 'enterprise_logos_items';
			var totalPages = 3;
			new Effect.Move($(el), { x: 775, y: 0, duration: 1.75 });	
			$('enterprise_logos_bottom_arrow').src = '/decor/home_logos/hp-arrowright.png';
			$('enterprise_logos_bottom_arrow_container').style.cursor = 'pointer';
			$('enterprise_logos_bottom_arrow_container').style.cursor = 'hand';
			$('enterprise_logos_bottom_arrow_container').onclick = scrollForward;
			pageCount--;
		}
		if ( pageCount == 0 ) {
			$('enterprise_logos_top_arrow').src = '/decor/home_logos/hp-arrowleft-inactive.png';
			$('enterprise_logos_top_arrow_container').style.cursor = 'default';
			$('enterprise_logos_top_arrow_container').onclick = '';
		}
	}

	function scrollForward() {
		var el = 'enterprise_logos_items';
		var totalPages = 3;
		if ( pageCount < totalPages ) {
			new Effect.Move($(el), { x: -775, y: -0, duration: 1.75 });	
			$('enterprise_logos_top_arrow').src = '/decor/home_logos/hp-arrowleft.png';
			$('enterprise_logos_top_arrow_container').style.cursor = 'pointer';
			$('enterprise_logos_top_arrow_container').style.cursor = 'hand';
			$('enterprise_logos_top_arrow_container').onclick = scrollBack;
			pageCount++;
		} 
		if ( pageCount == totalPages-1 ) {
			$('enterprise_logos_bottom_arrow').src = '/decor/home_logos/hp-arrowright-inactive.png';
			$('enterprise_logos_bottom_arrow_container').style.cursor = 'default';
			$('enterprise_logos_bottom_arrow_container').onclick = '';
		}
	}