function cancelForm(){open("/index.php?main_page=page&id=417","_self")}function validate_form(thisform){with(thisform){if(validate_required(firstname,"Please enter your first name.")==false){firstname.focus();return false}if(validate_required(lastname,"Please enter your last name.")==false){lastname.focus();return false}if(validate_required(email,"Please enter your e-mail address.")==false){email.focus();return false}if(validate_email(email,"You have entered an invalid e-mail address.")==false){email.focus();return false}if(document.compo_entry.agreement.checked==false){alert("You must agree to the terms & conditions to enter this competition.");return false}}}function validate_email(field,alerttxt){with(field){apos=value.indexOf("@");dotpos=value.lastIndexOf(".");if(apos<1||dotpos-apos<2){alert(alerttxt);return false}else{return true}}}function validate_required(field,alerttxt){with(field){if(value==null||value==""){alert(alerttxt);return false}else{return true}}}