var http = createRequestObject();
var areal = Math.random() + "";
var real = areal.substring(2,6);

function createRequestObject() {
	var xmlhttp;
	try { xmlhttp=new ActiveXObject("Msxml2.XMLHTTP"); }
  	catch(e) {
    	try { xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");}
    	catch(f) { xmlhttp=null; }
  	}
  	if(!xmlhttp&&typeof XMLHttpRequest!="undefined") {
  		xmlhttp=new XMLHttpRequest();
  	}
	return  xmlhttp;
}

function sendRequest() {
	var rnd = Math.random();
	var name = escape(document.getElementById("name").value);
	var email = escape(document.getElementById("email").value);
	var subject = escape(document.getElementById("subject").value);
	var phone = escape(document.getElementById("phone").value);
	var company_name = escape(document.getElementById("company_name").value);
	var address = escape(document.getElementById("address").value);
	var service_type = escape(document.getElementById("service_type").value);
	var comment = escape(document.getElementById("comment").value);

	try{
    	http.open('POST',  'http://www.nlaudit.com/cgi/pform.php');
    	http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    	http.onreadystatechange = handleResponse;
		http.send('name='+name+'&email='+email+'&subject='+subject+'&phone='+phone+'&company_name='+company_name+'&address='+address+'&service_type='+service_type+'&comment='+comment+'&rnd='+rnd);
	}
	catch(e){}
	finally{}
}

function check_values() {
	var valid = '';
	
	var name = document.getElementById("name").value;
	var email = document.getElementById("email").value;
	var subject = document.getElementById("subject").value;
	var phone = document.getElementById("phone").value;
	if(trim(name) == "" ||
		trim(email) == "" ||
		trim(subject) == "" ||
		trim(phone) == "") {
			alert("Please complete all required fields");
	} else {
		if(isEmail(email)) {
			//document.getElementById("submit").disabled=true;
			document.getElementById("confirmation").innerHTML='Please Wait..';
			document.getElementById("confirmation").style.display ="";
			sendRequest();
		} else {
			alert("Email appears to be invalid. Please check.");
			document.getElementById("email").focus();
			document.getElementById("email").select();
		}
	}
}

function handleResponse() {
	try{
    	if((http.readyState == 4)&&(http.status == 200)){
    		var response = http.responseText;
      		document.getElementById("confirmation").innerHTML = response;
      		document.getElementById("confirmation").style.display ="";
			document.getElementById("form").reset();
		}
  	}
	catch(e){}
	finally{}
}

function isUndefined(a) {
   return typeof a == 'undefined';
}

function trim(a) {
	return a.replace(/^s*(S*(s+S+)*)s*$/, "$1");
}

function isEmail(a) {
   return (a.indexOf(".") > 0) && (a.indexOf("@") > 0);
}