function verify_msds(f) {

                ret =   verify_element(f.first_name,'Please enter your First Name') &&
                        verify_element(f.last_name,'Please enter your Last Name') &&
                        verify_element(f.address_1,'Please enter an Address') &&
                        verify_element(f.city,'Please enter a City/Town') &&
						verify_element(f.province,'Please enter a Province') &&
						verify_element(f.postal_code,'Please enter a Postal Code') &&
						verify_element(f.phone,'Please enter a Phone #') &&
						verify_element(f.email_from,'Please enter your Email Address');
		if (ret) {
			ret2 = (f.checkbox.checked || f.checkbox2.checked || f.checkbox3.checked || f.checkbox4.checked || f.checkbox5.checked);
			if (!ret2) {
				alert('Please select at least one product for which an MSDS is required.');
			}
			ret = (ret && ret2);
		}
		return ret;
        }