function validateContactForm(){
	var form = document.getElementById('form');
	var errors = false;
	if(form.first_name.value == ''){
		document.getElementById('first_name_errors').innerHTML = "Please enter your Forename";
		errors = true;
	}else{
		document.getElementById('first_name_errors').innerHTML = "";
	}
	if(form.first_name.value == ''){
		document.getElementById('last_name_errors').innerHTML = "Please enter your Surname";
		errors = true;
	}else{
		document.getElementById('last_name_errors').innerHTML = "";
	}
	if(form.submit_by.value == ''){
		document.getElementById('submit_by_errors').innerHTML = "Please enter your email address";
		errors = true;
	}else{
		document.getElementById('submit_by_errors').innerHTML = "";
	}
	if(form.phone_number.value == ''){
		document.getElementById('phone_number_errors').innerHTML = "Please enter your telephone number";
		errors = true;
	}else{
		document.getElementById('phone_number_errors').innerHTML = "";
	}
	if(!errors){
		form.submit();
	}
}