function homeover()
{
	document.getElementById('home').src="/img/navigation/homeOn.gif";
}
function homeback()
{
	document.getElementById('home').src="/img/navigation/home.gif";
}
function mailover()
{
	document.getElementById('mail').src="/img/navigation/mailOn.gif";
}
function mailback()
{
	document.getElementById('mail').src="/img/navigation/mail.gif";
}
function sitemapover()
{
	document.getElementById('sitemap').src="/img/navigation/sitemapOn.gif";
}
function sitemapback()
{
	document.getElementById('sitemap').src="/img/navigation/sitemap.gif";
}
function printover()
{
	document.getElementById('print').src="/img/navigation/printOn.gif";
}
function printback()
{
	document.getElementById('print').src="/img/navigation/print.gif";
}