function check_webtolead_fields() {
	if (document.getElementById('req_id') != null) {
		var reqs = document.getElementById('req_id').value;
		reqs = reqs.substring(0, reqs.lastIndexOf(';'));
		var req_fields = new Array();
		var req_fields = reqs.split(';');
		nbr_fields = req_fields.length;
		var req = true;
		for (var i = 0; i < nbr_fields; i++) {
			if (document.getElementById(req_fields[i]).value.length <= 0) {
				req = false;
				break;
			}
		}
		if (req) {
			document.WebToLeadForm.submit();
			return true;
		} else {
			alert('Please provide all the required fields');
			return false;
		}
		return false;
	} else {
		document.WebToLeadForm.submit();
	}
}