function Lookup($aListValues,$aValue,$aName,$aId=null){
	$selected="";
    
	if(!$aId){ $aId=$aName;}
    
	$html="<select name=\"$aName\" id=\"$aId\">";
	
	foreach ($aListValues as $key => $value){
		if($value==$aValue){ $selected=" selected=\"selected\"";} else { $selected=""; }
		$html.="\n<option value=\"$value\" $selected>$value</option>";
	}
	$html.="\n</select>";
	return $html;
}
/** Demo de uso 
 * 
    $EstCivil = array('CASADO','SOLTEIRO','VIUVO','OUTROS');
    if($_POST){
        echo Lookup($EstCivil,$_POST['EstCivil'],"EstCivil");     
    } else {
        echo Lookup($EstCivil,"MASCULINO","EstCivil");
    }    
*/