function createXMLHttpRequest(frm) {
    var xmlHttp = null;
    try {
        xmlHttp = new XMLHttpRequest();
//	alert("FireFox, Opera, Safari");
        return xmlHttp;
    }catch (e){
        try {
            xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
//		alert("Internet Explorer");
            return xmlHttp;
        }catch (e){
            try {
                xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
                return xmlHttp;
            }catch (e){
                alert("Your Browser not Supporting Ajax");
                return false;
            }
        }
    } 
}


function getstate_city(frm){
	

    var zip = document.getElementById("txtzip").value;

    document.getElementById("selstate").value = "";
    document.getElementById("txtcity").value = "";

    var url = "/getstatecity?zip="+zip;

    if(zip.length==5){
        if(!isNaN(zip)){
            xmlHttp = createXMLHttpRequest();
            xmlHttp.onreadystatechange = function gotCategories() {
                if(xmlHttp.readyState==4){
                    if(xmlHttp.status==200){
                        var msg = xmlHttp.responseXML.getElementsByTagName("statecity")[0];
                        var state = msg.getElementsByTagName("state")[0].childNodes[0].nodeValue;
                        var city = msg.getElementsByTagName("city")[0].childNodes[0].nodeValue;
                        if(state!="No"){

                            document.getElementById("selstate").value = state;
                            document.getElementById("txtcity").value = city;

                            document.getElementById("zip_status").innerHTML="<font color=\"#0000FF\" size=\"2\"><b>"+city+"-"+state+"</b></font>";
                        }else {
                            document.getElementById("zip_status").innerHTML="<font color=\"red\" size=\"2\"><b>Enter Valid Zip Code<b></font>";

                        }
                    }
                }
            }
            xmlHttp.open("GET",url,true);
            xmlHttp.send(null);

        }else {
            document.getElementById("zip_status").innerHTML="<font color=\"red\" size=\"2\"><b>Enter Valid Zip Code<b></font>";
        }
    }else {
        document.getElementById("zip_status").innerHTML="";
    }
}