var current_item_page_num	= 0;
function show_item_page(num)
{
	var item_page	= $('#item_page_'+num).get(0);
	var the_pager	= $('#pager_'+num).get(0);

	if(item_page)
	{
		hide_all_item_pages();
		item_page.style.display	= ( item_page.style.display == 'none' || !item_page.style.display ? 'block' : 'none' );
		
		var active_pager	= $('.active_pager').get(0);
		if(active_pager)
		{
			active_pager.className	= '';
		}

		the_pager.className		= 'active_pager';
		current_item_page_num	= num;
	}
}
function hide_all_item_pages()
{
	$(".item_page").each(function(i)
	{
		this.style.display	= 'none';
	});
}
function show_next_item_page()
{
	var total_item_pages	= $(".item_page").length - 1;
	current_item_page_num	= ( current_item_page_num + 1 > total_item_pages-1 ? 0 : current_item_page_num + 1 ); // Cycle
	show_item_page(current_item_page_num)
}