// JavaScript Document

var xmlHttp;
var functRet;
String.prototype.trim = function() { return this.replace(/^\s+|\s+$/g, ''); }

function verifyZip(server_url,zip,state,funct)
{ 
functRet=funct;
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url=server_url;
url=url+"?zip="+zip;
url=url+"&state="+state;
url=url+"&sid="+Math.random();

xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
//alert(url);
//eval(funct+'("Getting results!")');
//verifZipBack(" err -zip code ");
}

function stateChanged() 
{ 
if (xmlHttp.readyState==4)
{ 
	var rez="";
	try{
			if(xmlHttp.status=='200'){
				rez=xmlHttp.responseText;
			}else{
				rez='server error+'+xmlHttp.status+" - "+xmlHttp.statusText;
			}
	}catch(e){
			rez="Server is down!";
	};
	var functie=functRet+',"'+convertStr(rez)+'");';
	eval(functie);
}
}
function convertStr(s){
	rez="";
	for(i=0;i<s.length;i++){
		c=s.charCodeAt(i);
		if((c>=48)&&(c<=57)){
				rez=rez+s.charAt(i);
		}
		if((c>=65)&&(c<=90)){
				rez=rez+s.charAt(i);
		}
		if((c>=97)&&(c<=122)){
				rez=rez+s.charAt(i);
		}
		if(c==32){
				rez=rez+s.charAt(i);
		}
	}
	rez=rez.trim();
	return rez;
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}

function verifZipBack(field, p){
	if(p=="false"){
		alert("Zip code is not in the state selected! Please check the zip code and state!");
		document.getElementById(field).value='';
		document.getElementById(field).focus();
	}
}