var xmlHttp
var flag
//form field variable declarations
var name;
var phone;
var email;
var service;
var message;
//********************************
function validate_form(me) 
{
name = me.name.value;
phone = me.phone.value;
email = me.email.value;
service = me.service.value;
message = me.message.value;

	if(name == ""){
		document.getElementById("msg").style.visibility = 'visible';
		document.getElementById("msg").style.backgroundColor = '#FF0000';
		document.getElementById("msg").innerHTML = " The Name Field Cannot Be Blank, Please Enter A Valid Name";
		return false;
	}
	if(phone == ""){
		document.getElementById("msg").innerHTML = " The Phone Number Field Cannot Be Blank, Please Enter A Valid Phone Number" 
		document.getElementById("msg").style.visibility = "visible"
		document.getElementById("msg").style.backgroundColor = "#FF0000" 
		return false;
	}
	if(phone != ""){
		if(checkInternationalPhone(phone)==false){
		document.getElementById("msg").innerHTML = " Please Enter A Valid Phone Number. (XXX)-XXX-XXXX" 
		document.getElementById("msg").style.visibility = "visible"
		document.getElementById("msg").style.backgroundColor = "#FF0000" 
			return false;
		}
	}
	if(email == ""){
		document.getElementById("msg").innerHTML = " The Email Field Cannot Be Blank, Please Enter A Valid Email Address" 
		document.getElementById("msg").style.visibility = "visible"
		document.getElementById("msg").style.backgroundColor = "#FF0000" 
		return false;
	}
	if(email != ""){
		if(echeck(email) == false){
		document.getElementById("msg").innerHTML = "Please Enter A Valid Email Address" 
		document.getElementById("msg").style.visibility = "visible"
		document.getElementById("msg").style.backgroundColor = "#FF0000" 
			return false;
		}
	}
	if(service == ""){
		document.getElementById("msg").innerHTML = " The Service Field Cannot Be Blank, Please Select A Service" 
		document.getElementById("msg").style.visibility = "visible"
		document.getElementById("msg").style.backgroundColor = "#FF0000" 
		return false;
	}
	if(message ==""){
		document.getElementById("msg").innerHTML = " The Message Field Cannot Be Blank, Please Enter A Message" 
		document.getElementById("msg").style.visibility = "visible"
		document.getElementById("msg").style.backgroundColor = "#FF0000" 
		return false;
	}
	else{
		submit_form();
		return true;
	}
}
function submit_form(){
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return false;
	} 
	var url="submit.php"
	url=url+"?n="+name
	url=url+"&p="+phone
	url=url+"&e="+email
	url=url+"&s="+service
	url=url+"&m="+message
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.open("GET",url,false)
	xmlHttp.send(null)
	return flag;
}
function stateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		if(xmlHttp.responseText == 'true'){			 
			flag = true;
		}
		else{
			flag = false;
		}
	}
}
function GetXmlHttpObject()
{ 
var objXMLHttp=null
if (window.XMLHttpRequest)
{
objXMLHttp=new XMLHttpRequest()
}
else if (window.ActiveXObject)
{
objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
}
return objXMLHttp
}
function echeck(str) {
		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   return false
		}
		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false
		}
		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}
		if (str.indexOf(at,(lat+1))!=-1){
		    return false
		}
		if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		}
		if (str.indexOf(dot,(lat+2))==-1){
		    return false
		}
		if (str.indexOf(" ")!=-1){
		    return false
		}
 		return true					
}

/**
 * DHTML phone number validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */

// Declaring required variables
var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.
var minDigitsInIPhoneNumber = 10;

function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkInternationalPhone(strPhone){
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}
/****************************************************************************/