function showhide(layer_ref) {
	if (document.layers) { //IS NETSCAPE 4 or below
		if (document.layers[layer_ref].display == "none"){
			document.layers[layer_ref].display = "block";
		}
		else{
			document.layers[layer_ref].display = "none";
		}
	}
	if (document.getElementById) {
		e = document.getElementById(layer_ref);
		if (e.style.display == 'none'){
			e.style.display = 'block';
			return true;
		}
		else{
			e.style.display = 'none';
			return false;
		}
	}
}

function hideElement(layer_ref) {
	if (document.layers) { //IS NETSCAPE 4 or below
		if (document.layers[layer_ref].display != "none"){
			document.layers[layer_ref].display = "none";
		}
	}
	if (document.getElementById) {
		e = document.getElementById(layer_ref);
		if (e.style.display != 'none'){
			e.style.display = 'none';
		}
	}
}

function showElement(layer_ref) {
	if (document.layers) { //IS NETSCAPE 4 or below
		if (document.layers[layer_ref].display == "none"){
			document.layers[layer_ref].display = "block";
		}
	}
	if (document.getElementById) {
		e = document.getElementById(layer_ref);
		if (e.style.display == 'none'){
			e.style.display = 'block';
		}
	}
}

function showhidesitemap() {
	if (showhide('sitemap')) {
		e = document.getElementById('showhidetext');
		e.innerHTML = "<img src='/templates/images/hide.jpg' alt='show' border='0' />";
		Set_Cookie('showhide', 'show');
	}
	else {
		e = document.getElementById('showhidetext');
		e.innerHTML = "<img src='/templates/images/show.jpg' alt='show' border='0' />";
		Set_Cookie('showhide', 'hide');
	}
}

function sitemapSetup() {
	var x = Get_Cookie('showhide');
	if (x == 'hide') {
		hideElement('sitemap');
		e = document.getElementById('showhidetext');
		e.innerHTML = "<img src='/templates/images/show.jpg' alt='show' border='0' />";
	}
}

function Set_Cookie( name, value, expires, path, domain, secure ) 
{
	// set time, it's in milliseconds
	var today = new Date();
	today.setTime( today.getTime() );

	/*
	if the expires variable is set, make the correct 
	expires time, the current script below will set 
	it for x number of days, to make it for hours, 
	delete * 24, for minutes, delete * 60 * 24
	*/
	if ( expires )
	{
	expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );

	document.cookie = name + "=" +escape( value ) +
	( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
	( ( path ) ? ";path=" + path : "" ) + 
	( ( domain ) ? ";domain=" + domain : "" ) +
	( ( secure ) ? ";secure" : "" );
}

// this function gets the cookie, if it exists
function Get_Cookie( name ) {
		
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) &&
	( name != document.cookie.substring( 0, name.length ) ) )
	{
	return null;
	}
	if ( start == -1 ) return null;
	var end = document.cookie.indexOf( ";", len );
	if ( end == -1 ) end = document.cookie.length;
	return unescape( document.cookie.substring( len, end ) );
}