');
// write text area field for message
$('#txtarea').html('');
// input field styles
$('input:text').css('width','230px');
// onsubmit of form function
$('#contact_form > form').submit(function() {
return validateContactForm(this);
});
math_captcha();
}); // END OF ON DOC READY
// MATH CAPTCHA
function math_captcha() {
//Generates the captcha function
var a = Math.ceil(Math.random() * 9)+ '';
var b = Math.ceil(Math.random() * 9)+ '';
var c = Math.ceil(Math.random() * 9)+ '';
var d = Math.ceil(Math.random() * 9)+ '';
var e = Math.ceil(Math.random() * 9)+ '';
var code = a + b + c + d + e;
document.getElementById("captcha_challenge").value = code;
document.getElementById("captcha_challenge_display").innerHTML = code;
}
// END MATH CAPTCHA
// FORM VALIDATION
function validateContactForm(form) {
var error_flag = false;
var error_message = '';
var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
//check for first_name
if(form.name) {
if(form.name.value.length < 2) {
error_message += "\nPlease fill in your name.";
error_flag = true;
}
}
// //check for phone
// if(form.phone) {
// if(form.phone.value.length < 10 || form.phone.defaultValue === form.phone.value) {
// error_message += "\nPlease enter a valid phone number.";
// error_flag = true;
// }
// }
//check for email
if(form.email) {
if(!filter.test(form.email.value)) {
error_message += "\nPlease enter a valid email address.";
error_flag = true;
}
}
//check for message
if(form.message) {
if(form.message.value.length < 4) {
error_message += "\nPlease enter your message.";
error_flag = true;
}
}
// CAPTCHA (MODIFIED FROM http://typicalwhiner.com/190/simple-javascript-captcha-generator/)
if(form.captcha_challenge && form.captcha_response) {
if(form.captcha_response.value.length < 1) {
error_message += "\nPlease enter the code in red.";
error_flag = true;
}
else if((removeSpaces(form.captcha_challenge.value) != removeSpaces(form.captcha_response.value))) {
error_message += "\nRed code did not match!";
error_flag = true;
}
} // END CAPTCHA
// display notice
if(error_flag) {
error_message = "The following error(s) occured:\n" + error_message;
alert(error_message);
return false;
}
// submit form
return true;
}
// Remove the spaces from the entered and generated code
function removeSpaces(string){
return string.split(' ').join('');
}