//Question response validator
//Copyright John Oliver 2006
//Email Address validator
//C. John Oliver July 2000
//modified march 2010 for new leadershape page

function testemail(){
//set up interactive xml
if (window.XMLHttpRequest)
{
// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
else
{
// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
//construct url
var url="http://www.youropinion.co.uk/leadershape_poll/emailcheck.php?email=" + document.questions.clientemail.value;
//alert(url);
//return false;
//do the request to the server
xmlhttp.open("GET",url,false);
xmlhttp.send(null);
//set the result variable
//alert(xmlhttp.responseText);
var emailgood=xmlhttp.responseText;
if (emailgood=="false"){
return false;
}
else{
//alert("Email Domain address OK");
var txtbx = document.getElementById("cleml");
txtbx.style.backgroundColor = "#ffffff";
txtbx.style.color = "#00ff00";
return true;
}
}

function validatename(name){
	if(name.length<=2){
	return false;
	}
var pattern = /[^a-zA-Z\s]/;
	if(name.search(pattern)!=-1){
	return false;
	}
return true;
}

function validatenumber(num){
	if (num.length==0){
	return true;
	}
	if (num.length<=9){
	return false;
	}
	if (num.length>=22){
	return false;
	}
var pattern = /[^0-9()+\s]/;
	if (num.search(pattern)!=-1){
	return false;
	}
return true;
}

function validatecompany(co){
	if(co.length<=1){
	return false;
	}
var pattern = /[@<>;:]/;
	if(co.search(pattern)!=-1){
	return false;
	}
return true;
}

function validateposn(pos){
	if(pos.length<=1){
	return false;
	}
return true;
}

function validatemail(addr){
//alert(addr);
var i=0;
var invalidChars=" /:,;";
for(i=0;i<invalidChars.length;i++){
 badChar=invalidChars.charAt(i);
 if (addr.indexOf(badChar,0)>-1){
  return false;
  }
 }
atPos=addr.indexOf("@",1);
 if (atPos==-1){
 return false;
 }
if (addr.indexOf("@",atPos+1)>-1){
 return false;
 }
periodPos=addr.indexOf(".",atPos);
if (periodPos==-1){
 return false;
 }
if (periodPos+3>addr.length){
 return false;
 }
return true;
}

function formSubmit(){

var addr=document.questions.clientemail.value;
var clname=document.questions.clientnm.value;
var clphnum=document.questions.clientnum.value;
var clco=document.questions.clientco.value;
var clposn=document.questions.clientposn.value;
//alert (addr+clname+clphnum+clco+clposn);
var qnum = document.questions.qnum.value;
var onum = document.questions.onum.value;
var i=0;
var j=0;

//check radio buttons - assume none checked at start
var ischecked=0;
var button = "";
//do for each radio button set
for(i=1;i<=qnum;i++){
	//do for each button in set
		for(j=0;j<onum;j++){
		button=eval("document.questions.ans"+i+"[j].checked");
		//alert(button);
		if (button){
			ischecked++;
			}
		}
	}
if (ischecked!=qnum){
	alert("You  have only answered "+ischecked+" questions.\nPlease complete all "+qnum+"!");
	return false;
	}

if((!validatemail(addr))||(!testemail())){
	alert("Invalid Email Address - Please Correct");
	var txtbx = document.getElementById("cleml");
	txtbx.style.backgroundColor = "#dddddd";
	txtbx.style.color = "#ff0000";
	document.questions.clientemail.focus();
	return false;
	}

if(!validatename(clname)){
	alert("Invalid Name Text - please use A - Z, a - z and spaces only!");
	document.questions.clientnm.focus();
	return false;
	}

if(!validatenumber(clphnum)){
	alert("Invalid Phone Number - please use 0 - 9 ( ) + and spaces only!");
	document.questions.clientnum.focus();
	return false;
	}

if(!validatecompany(clco)){
	alert("Invalid Text - please complete!\n(Do not use < > : ; or @!)");
	document.questions.clientco.focus();
	return false;
	}

if(!validateposn(clposn)){
	alert("Invalid Text - please complete!\n(Do not use < > : ; or @!)");
	document.questions.clientposn.focus();
	return false;
	}

document.questions.submit();
return true;
}