function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function sub_mostra(valor){
	document.getElementById("sub_empresa").style.visibility 	= "hidden";	
	document.getElementById("sub_iso").style.visibility			= "hidden";	
	document.getElementById("sub_servicos").style.visibility	= "hidden";	

	document.getElementById(valor).style.visibility = "visible";
}

function sub_esconde(){
	document.getElementById("sub_empresa").style.visibility 	= "hidden";	
	document.getElementById("sub_iso").style.visibility			= "hidden";	
	document.getElementById("sub_servicos").style.visibility	= "hidden";	
}