function expande(valor) {
if (valor == 'zoomin') {
	if (document.getElementById('zoomin').style.display == '') {
			document.getElementById('zoomin').style.display = 'none';
			document.getElementById('portfolio').style.display = 'none';
			document.images['controlmenu'].src='imagens/more.gif'
			document.images['controlmenu2'].src='imagens/more.gif'
	}
	else
	{
			document.getElementById('zoomin').style.display = '';
			document.getElementById('portfolio').style.display = 'none';
			document.images['controlmenu'].src='imagens/menos.gif'
			document.images['controlmenu2'].src='imagens/more.gif'
	}
}
	else if (valor == 'portfolio') {
	if (document.getElementById('portfolio').style.display == '') {
			document.getElementById('zoomin').style.display = 'none';
			document.getElementById('portfolio').style.display = 'none';
			document.images['controlmenu'].src='imagens/more.gif'
			document.images['controlmenu2'].src='imagens/more.gif'
	}
		else
	{
			document.getElementById('zoomin').style.display = 'none';
			document.getElementById('portfolio').style.display = '';
			document.images['controlmenu2'].src='imagens/menos.gif'
			document.images['controlmenu'].src='imagens/more.gif'
	}
}
}
//document.images['controlmenu'].src='imagens/menos.jpg'

//document.images['controlmenu'].src='imagens/more.jpg'