function ShowElement(ElementName)
	{
		//this turns them all to the off state first when one of the items is selected
		//must list the entire array of items as I have with the item_NUMBER

		var a=new Array("item1", "item2")
		for (var i=0;i<a.length;i++)
		{	document.getElementById(a[i]).style.display="none"
		}

		//this let you toggle the display of an element
		//it will flip the state each time it is called

		var es = document.getElementById(ElementName).style;
		es.display = (es.display == 'none') ? 'inline' : 'none';
	}

function HideElement()
	{
		//turn them all off

		var a=new Array("item1", "item2")
		for (var i=0;i<a.length;i++)
		{
			document.getElementById(a[i]).style.display="none"
		}
	}