function showhide(){
	if (Layer1.style.visibility='hidden'){
		Layer1.style.visibility='visible';
	}else{
		Layer1.style.visibility='hidden';
	}
}
function popUp_artista(id_obra){
	janela = window.open('pop_artista.php?id_obra='+id_obra+'',''+id_obra+'','toolbar=0,top=0,left=0,status=no,menubar=0,scrollbars=no,resizable=no,width=100,height=30');
//	janela.open();
}
function popUp_exposicao(id_obra){
	janela = window.open('pop_exposicao.php?id_exposicao_obra='+id_obra+'',''+id_obra+'','toolbar=0,top=0,left=0,status=no,menubar=0,scrollbars=no,resizable=no,width=100,height=30');
//	janela.open();
}
function index(){
	document.location="index.php";
}