function testTelNumber (field) {
				  var myTelNo = document.getElementById(field).value;
				  // If invalid number, report back error
				  if (!checkUKTelephone (myTelNo)) {
				     alert (telNumberErrors[telNumberErrorNo]);
				     return false;
				  }
				  // Otherwise redisplay telephone number on form in corrected format
				  else {
				     document.getElementById(field).value =  checkUKTelephone (myTelNo);

				  }
				}

function requestBrochureValidation() {

           
            
            
           if (document.getElementById("brochure_name").value == "") {

                        alert("Please type in your full name");

                        return false;

            }


                      




            if (document.getElementById("brochure_email").value == "") {

                        alert("Please type in your email address");

                        return false;

            }


				if(!(/\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/.test(document.getElementById("brochure_email").value))) {

								alert("invalid email");

								return false;

				}



            if (document.getElementById("brochure_address1").value == "") {

                        alert("Please type in your full address");

                        return false;

            }
            
            
           if (document.getElementById("postcode").value == "") {

                        alert("Please enter your postcode");

                        return false;

            }
            
            

            if (document.getElementById("brochure_phone").value == "") {

                        alert("Please type in your telephone number");

                        return false;

            }

            if (false == testTelNumber ("brochure_phone") ) {
                        return false;

            }  
            
            
            
            if (document.getElementById("brochure_cruise_line").value == "Select") {

                        alert("Please select a cruise line");

                        return false;

            }  

            return true;
}