function showhide (shown,howmany,seriesname)
{
	/***************************************************************************************
		Variable Explaination:
			shown : which of the series is to be shown
			howmany : how many are in the series
			seriesname : the series name
			count : the count variable - used to hide all but the chosen page
			fullname : the full name of the page to be shown - series name + series number
			menuitem : for menuitem use only - changes the look of the menu when pages are changed
	***************************************************************************************/

	var count;
	var fullname;
	var menuitem;
	for (count = 1;count <= howmany;count++)
	{
		//alert (shown + ' ' + howmany + ' ' + seriesname + ' ' + count + ' ' + fullname + ' ' + menuitem);
		fullname = seriesname + count;
		if (count == shown)
		{
			document.getElementById(fullname).style.display = 'block';
			if (seriesname == 'menu')
			{
				menuitem = 'menuitem' + count;
				document.getElementById(menuitem).className = 'current';
			}
		}
		else
		{
			document.getElementById(fullname).style.display = 'none';
			if (seriesname == 'menu')
			{
				menuitem = 'menuitem' + count;
				if (document.getElementById(menuitem).className != 'moredata')
				{
					document.getElementById(menuitem).className = '';
				}
			}
		}
	}
}