// JavaScript Document

function validation(form) {

if(form.firstname.value == '') {

alert('Please enter your first name');

form.firstname.focus();

return false;

}


if(form.lastname.value == '') {

alert('Please enter your last name');

form.lastname.focus();

return false;

}


if(form.age.value == '') {

alert('Please enter your age');

form.age.focus();

return false;

}


if ( ( form.gender[0].checked == false ) && ( form.gender[1].checked == false ) ) { alert ( "Please choose your Gender: Male or Female" ); 

form.gender[0].focus();

return false; }





if(form.date4.value == '') {

alert('Please enter your date of birth');

form.date4.focus();

return false;

}

if(form.height.value == '') {

alert('Please enter your height');

form.height.focus();

return false;

}

if(form.weight.value == '') {

alert('Please enter your weight');

form.weight.focus();

return false;

}

if(form.nationality.value == '') {

alert('Please enter your nationality');

form.nationality.focus();

return false;

}



if(form.email.value == '') {

alert('Please enter your email address');

form.email.focus();

return false;

}

if ( ( form.diabetes_bloodsugar_problems[0].checked == false ) && ( form.diabetes_bloodsugar_problems[1].checked == false ) ) { 

alert('Diabetes or Blood Sugar problems?');

form.diabetes_bloodsugar_problems[0].focus();

return false; }



if ( ( form.thyroid_problems[0].checked == false ) && ( form.thyroid_problems[1].checked == false ) ) { 

alert('Thyroid problems?');

form.thyroid_problems[0].focus();

return false; }



if ( ( form.heart_problems[0].checked == false ) && ( form.heart_problems[1].checked == false ) ) { 

alert('Heart problems?');

form.heart_problems[0].focus();

return false; }



if ( ( form.lung_problems[0].checked == false ) && ( form.lung_problems[1].checked == false ) ) { 

alert('Lung problems?');

form.lung_problems[0].focus();

return false; }



if ( ( form.blood_pressure_problems[0].checked == false ) && ( form.blood_pressure_problems[1].checked == false ) ) { 

alert('Blood pressure problems?');

form.blood_pressure_problems[0].focus();

return false; }



if ( ( form.kidney_liver_problems[0].checked == false ) && ( form.kidney_liver_problems[1].checked == false ) ) { 

alert('Kidney liver problems?');

form.kidney_liver_problems[0].focus();

return false; }



if ( ( form.blood_disorders[0].checked == false ) && ( form.blood_disorders[1].checked == false ) ) { 

alert('Any blood disorders?');

form.blood_disorders[0].focus();

return false; }



if ( ( form.cancer_history[0].checked == false ) && ( form.cancer_history[1].checked == false ) ) { 

alert('Any cancer history?');

form.cancer_history[0].focus();

return false; }



if ( ( form.hiv[0].checked == false ) && ( form.hiv[1].checked == false ) ) { 

alert('HIV?');

form.hiv[0].focus();

return false; }



if ( ( form.nervous_breakdowns[0].checked == false ) && ( form.nervous_breakdowns[1].checked == false ) ) { 

alert('Did you have any Nervous Breakdowns?');

form.nervous_breakdowns[0].focus();

return false; }



if ( ( form.neurologic_problems[0].checked == false ) && ( form.neurologic_problems[1].checked == false ) ) { 

alert('Any neurologic problems?');

form.neurologic_problems[0].focus();

return false; }



if ( ( form.problems_with_anesthesia[0].checked == false ) && ( form.problems_with_anesthesia[1].checked == false ) ) { 

alert('Any problems with anesthesia?');

form.problems_with_anesthesia[0].focus();

return false; }



if ( ( form.have_you_been_hospitalized_within_last_12_months[0].checked == false ) && ( form.have_you_been_hospitalized_within_last_12_months[1].checked == false ) ) { 

alert('Have you been hospitalized within last 12 months?');

form.have_you_been_hospitalized_within_last_12_months[0].focus();

return false; }



if ( ( form.do_you_have_any_implants_or_metal_objects_in_your_body[0].checked == false ) && ( form.do_you_have_any_implants_or_metal_objects_in_your_body[1].checked == false ) ) { 

alert('Do you have any implants or metal in your body?');

form.do_you_have_any_implants_or_metal_objects_in_your_body[0].focus();

return false; }



if ( ( form.do_you_form_keloids_or_have_difficulty_healing[0].checked == false ) && ( form.do_you_form_keloids_or_have_difficulty_healing[1].checked == false ) ) { 

alert('Do you form keloid or have difficulty with healing?');

form.do_you_form_keloids_or_have_difficulty_healing[0].focus();

return false; }



if ( ( form.allergies[0].checked == false ) && ( form.allergies[1].checked == false ) ) { 

alert('Do you have any allergies?');

form.allergies[0].focus();

return false; }



if ( ( form.have_you_ever_taken_an_mao_inhibitor[0].checked == false ) && ( form.have_you_ever_taken_an_mao_inhibitor[1].checked == false ) ) { 

alert('Have you ever taken an MAO inhibitor?');

form.have_you_ever_taken_an_mao_inhibitor[0].focus();

return false; }



if ( ( form.have_you_ever_taken_anticoagulant[0].checked == false ) && ( form.have_you_ever_taken_anticoagulant[1].checked == false ) ) { 

alert('Have you ever taken anticoagulant?');

form.have_you_ever_taken_anticoagulant[0].focus();

return false; }



if ( ( form.alcohol[0].checked == false ) && ( form.alcohol[1].checked == false ) ) { 

alert('Do you drink alcohol?');

form.alcohol[0].focus();

return false; }



if ( ( form.tobacco[0].checked == false ) && ( form.tobacco[1].checked == false ) ) { 

alert('Do you smoke tobacco?');

form.tobacco[0].focus();

return false; }





if ( form.true_and_complete_information.checked == false) { 

alert('All information are true and complete?');

form.true_and_complete_information.focus();

return false; }



return true;

}