function getObjRef(obj) {
	if (document.getElementById) {
		return document.getElementById(obj);
	}
	else if (document.all) {
		return document.all[obj];
	}
	else {
		return null;
	}
}

function validate(form) {
	var FirstName = form.FirstName.value;
	var Surname = form.Surname.value;
	var JobTitle = form.JobTitle.value;
	var CompanyName = form.CompanyName.value;
	var Email = form.Email.value;
	var Telephone = form.Telephone.value;
	var Interest = form.Interest.value;
	var Enquiry = form.Enquiry.value;
	var emailRegex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
	
	var passed = true;
	
	if (FirstName == "") {
		getObjRef("errorFirstName").innerHTML = "<span class=\"error\">Please enter your first name</span>";
		passed = false;
	}	else {
		getObjRef("errorFirstName").innerHTML = "";
	}
	
	if (Surname == "") {
		getObjRef("errorSurname").innerHTML = "<span class=\"error\">Please enter your surname</span>";
		passed = false;
	}	else {
		getObjRef("errorSurname").innerHTML = "";
	}
	
	if (JobTitle == "") {
		getObjRef("errorJobTitle").innerHTML = "<span class=\"error\">Please enter your job title</span>";
		passed = false;
	}	else {
		getObjRef("errorJobTitle").innerHTML = "";
	}
	
	if (CompanyName == "") {
		getObjRef("errorCompanyName").innerHTML = "<span class=\"error\">Please enter your company name</span>";
		passed = false;
	}	else {
		getObjRef("errorCompanyName").innerHTML = "";
	}
	
	if (Telephone == "") {
		getObjRef("errorTelephone").innerHTML = "<span class=\"error\">Please enter your telephone number</span>";
		passed = false;
	}	else {
		getObjRef("errorTelephone").innerHTML = "";
	}
	
	if (Interest == "noneselected") {
		getObjRef("errorInterest").innerHTML = "<span class=\"error\">Please select your interest</span>";
		passed = false;
	}	else {
		getObjRef("errorInterest").innerHTML = "";
	}
	
	if (Enquiry == "") {
		getObjRef("errorEnquiry").innerHTML = "<span class=\"error\">Please enter your enquiry</span>";
		passed = false;
	}	else {
		getObjRef("errorEnquiry").innerHTML = "";
	}
	
	

	if (!Email.match(emailRegex)) {
		getObjRef("errorEmail").innerHTML = "<span class=\"error\">Please enter a valid email address</span>";
		passed = false;
	}	else {
		getObjRef("errorEmail").innerHTML = "";
	}

	return passed;
	
}