function Dados(c){try{ajax=new ActiveXObject("Microsoft.XMLHTTP")}catch(d){try{ajax=new ActiveXObject("Msxml2.XMLHTTP")}catch(b){try{ajax=new XMLHttpRequest()}catch(a){alert("Esse browser não tem recursos para uso do Ajax");ajax=null}}}if(ajax){document.form1.sub_.options.length=1;idOpcao=document.getElementById("opcoes");document.getElementById("sub_").disabled=true;ajax.open("POST","comboBasic.php",true);ajax.setRequestHeader("Content-Type","application/x-www-form-urlencoded");ajax.onreadystatechange=function(){if(ajax.readyState==1){idOpcao.innerHTML="Carregando..."}if(ajax.readyState==4){if(ajax.responseXML){processXML(ajax.responseXML)}else{idOpcao.innerHTML="Selecione a categoria"}}};var f="estado="+c;ajax.send(f)}}function processXML(e){var b=e.getElementsByTagName("cidade");if(b.length>0){for(var c=0;c<b.length;c++){var d=b[c];var f=d.getElementsByTagName("codigo")[0].firstChild.nodeValue;var a=d.getElementsByTagName("descricao")[0].firstChild.nodeValue;idOpcao.innerHTML="Selecione";document.getElementById("sub_").disabled=false;var g=document.createElement("option");g.setAttribute("id","opcoes");g.value=f;g.text=a;document.form1.sub_.options.add(g)}}else{idOpcao.innerHTML="Não há subcategorias disponiveis";document.getElementById("sub_").disabled=true}};