function verify_email (strng) {
var error = "";
var emailFilter=/^.+@.+\..{2,3}$/;
if (!(emailFilter.test(strng))) {
error = "Please make sure your Email Address is typed correctly.\n";
}
else {
var illegalchars=/[\(\)\<\>\,\;\:\\\"\[\]]/;
if (strng.match(illegalchars)) {
error = "Email Address contains illegal characters.\n";
}
}
return error;
}

function check_valid(form) {
if(document.all.CHURCH.value=='') {
alert('Please enter the Name of your Church.\n');
return false;
}
if(document.all.CITY.value=='') {
alert('Please enter your City.\n');
return false;
}
if(document.all.STATE.value=='') {
alert('Please enter your State.\n');
return false;
}
var error = "";
error += verify_email(form.EMAIL.value);
if (error!="") {
alert(error);
return false;
}
return true;
}