// JavaScript Document
//this function hides and shows several divs that share a name. Change the div name from "items" to whatever you like

	function elemOn(elem_id){
		if(document.getElementById(elem_id))
			document.getElementById(elem_id).style.display = "block";
	}
	function elemOff(elem_id){
		if(document.getElementById(elem_id))
			document.getElementById(elem_id).style.display = "none";
	}
//change the number below to correspond to the number of your divs to show and  hide
	function hideAll(){
		for( var i = 1; i <= 5; i++ )
			elemOff( 'item'+i );
	}
	function showAll(){
		for( var i = 1; i <= 5; i++ )
			elemOn( 'item'+i );
	}
	function showOne(elem_id){
		hideAll( );
		elemOn( elem_id );
	}