function so(Faba,Fso){
	var aba = document.getElementById(Faba);
	var abas = document.getElementById("abas").getElementsByTagName("div");
	var so = document.getElementById(Fso);
	var sos = document.getElementById("sos").getElementsByTagName("div");
	if (aba.style.zIndex<3){
		for (var i=0; i<abas.length; i++){
			if (abas[i].className=="aba" && sos[i].className=="form_so"){
				abas[i].style.zIndex='1';
				abas[i].style.marginTop='5px';
				sos[i].style.display='none';
			}
		}
		aba.style.zIndex='3';
		so.style.display='block';
		aba.style.marginTop='1px';
	}
}