var xmlhttp;

try{
    xmlhttp = new XMLHttpRequest();
}catch(ee){
    try{
        xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    }catch(e){
        try{
            xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
        }catch(E){
            xmlhttp = false;
        }
    }
}

	
var ajax = {
	//ajax busca bairro
	carrega_bairro : function() { 
		//document.getElementById('price').innerHTML = "Recalculando...";
		
		param = "cidade="+document.frm_pesq.cidade.value;
		xmlhttp.open("POST", "http://www.excellence.imb.br/carrega_bairro.php", true);
		xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		
		xmlhttp.onreadystatechange = function(){
				//document.getElementById('price').innerHTML = "Recalculando...";
				if(xmlhttp.readyState == 4) { 
					if(xmlhttp.status == 200){ 
						document.getElementById('id_bairro').innerHTML = xmlhttp.responseText;
					}else{ //Não encotra os dados
						document.getElementById('id_bairro').innerHTML = "Erro: returned status code " + xmlhttp.status + " " + xmlhttp.statusText;
					}
				}
			}
			xmlhttp.send(param);
	} 
}


// JavaScript Document
/*var f = document.forms[0];
MaskInput(f.fone, "(99)9999-9999");
MaskInput(f.data, "99/99/9999");
MaskInput(f.etc, "Cc99-*C");
MaskInput(f.except, "E^abc");
MaskInput(f.only, "O^abc");
MaskInput(f.letra, "C^");
MaskInput(f.letra2, "C^ ");
MaskInput(f.numero, "9^abc");*/

MaskInput = function(f, m){
    function mask(e){
        var patterns = {"1": /[A-Z]/i, "2": /[0-9]/, "4": /[\xC0-\xFF]/i, "8": /./ },
            rules = { "a": 3, "A": 7, "9": 2, "C":5, "c": 1, "*": 8};
        function accept(c, rule){
            for(var i = 1, r = rules[rule] || 0; i <= r; i<<=1)
                if(r & i && patterns[i].test(c))
                    break;
                return i <= r || c == rule;
        }
        var k, mC, r, c = String.fromCharCode(k = e.key), l = f.value.length;
        (!k || k == 8 ? 1 : (r = /^(.)\^(.*)$/.exec(m)) && (r[0] = r[2].indexOf(c) + 1) + 1 ?
            r[1] == "O" ? r[0] : r[1] == "E" ? !r[0] : accept(c, r[1]) || r[0]
            : (l = (f.value += m.substr(l, (r = /[A|9|C|\*]/i.exec(m.substr(l))) ?
            r.index : l)).length) < m.length && accept(c, m.charAt(l))) || e.preventDefault();
    }
    for(var i in !/^(.)\^(.*)$/.test(m) && (f.maxLength = m.length), {keypress: 0, keyup: 1})
        addEvent(f, i, mask);
};

addEvent = function(o, e, f, s){
	var r = o[r = "_" + (e = "on" + e)] = o[r] || (o[e] ? [[o[e], o]] : []), a, c, d;
	r[r.length] = [f, s || o], o[e] = function(e){
		try{
			(e = e || event).preventDefault || (e.preventDefault = function(){e.returnValue = false;});
			e.stopPropagation || (e.stopPropagation = function(){e.cancelBubble = true;});
			e.target || (e.target = e.srcElement || null);
			e.key = (e.which + 1 || e.keyCode + 1) - 1 || 0;
		}catch(f){}
		for(d = 1, f = r.length; f; r[--f] && (a = r[f][0], o = r[f][1], a.call ? c = a.call(o, e) : (o._ = a, c = o._(e), o._ = null), d &= c !== false));
		return e = null, !!d;
    }
};

removeEvent = function(o, e, f, s){
	for(var i = (e = o["_on" + e] || []).length; i;)
		if(e[--i] && e[i][0] == f && (s || o) == e[i][1])
			return delete e[i];
	return false;
};