function checkName(){


if (document.enquiryForm.senders_name.value==""){
document.enquiryForm.senders_name.style.backgroundColor ="#ff0000";
document.enquiryForm.senders_name.focus();
return false;
}
else{
document.enquiryForm.senders_name.style.backgroundColor ="#ffffff";
return true;
}
}

function checkNumber(){


if (document.enquiryForm.member_no.value==""){
document.enquiryForm.member_no.style.backgroundColor ="#ff0000";
document.enquiryForm.member_no.focus();
return false;
}
else{
document.enquiryForm.member_no.style.backgroundColor ="#ffffff";
return true;
}
}


function checkSurName(){


if (document.enquiryForm.surname.value==""){
document.enquiryForm.surname.style.backgroundColor ="#ff0000";
document.enquiryForm.surname.focus();
return false;
}
else{
document.enquiryForm.surname.style.backgroundColor ="#ffffff";
return true;
}
}

function checkAddress(){


if (document.enquiryForm.address_1.value==""){
document.enquiryForm.address_1.style.backgroundColor ="#ff0000";
document.enquiryForm.address_1.focus();
return false;
}
else{
document.enquiryForm.address_1.style.backgroundColor ="#ffffff";
return true;
}
}

function checkTown(){


if (document.enquiryForm.town.value==""){
document.enquiryForm.town.style.backgroundColor ="#ff0000";
document.enquiryForm.town.focus();
return false;
}
else{
document.enquiryForm.town.style.backgroundColor ="#ffffff";
return true;
}
}


function checkEmail(){

var emails = document.enquiryForm.email.value;

var emailtest = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(emails);


if (emailtest == false) {
document.enquiryForm.email.style.backgroundColor ="#ff0000";
document.enquiryForm.email.focus();
return false;
}
else{
document.enquiryForm.email.style.backgroundColor ="#ffffff";
return true;
}

}

function validate(){

checkName();

checkEmail();


if (checkName() == false){
alert('Please enter your name.');
return false;
}

else if (checkName() == true  && checkEmail() == false)

{
alert('The email address is not valid.');
return false;
}

else if (checkName() == true && checkEmail() == true )
{
	document.enquiryForm.op.value ="load";
return true;

}else {
return false;
}

}