function check_form(form) {
var ch = form.terms_agree.checked;
var email1 = form.email.value;
var email2 = form.email2.value;

if (form.email.value =='' || form.email2.value =='' || form.pass.value =='' || form.pass2.value =='') {
alert ('Please fill in all fields.');
return(false)
}

if (form.email.value != form.email2.value) {
alert ('Email fields don`t match.');
return(false)
}

if (form.pass.value != form.pass2.value) {
alert ('Passwords don`t match.');
return(false)
}

if (!ch) {
alert ('You must agree with Terms to signup.')
return (false)
}
}