function checkSend() {
error=false;
if (document.theForm.firstName.value=='') {error=true;window.alert('Please enter your name.');}
if (error==false&&document.theForm.lastName.value=='') {error=true;window.alert('Please enter your last name.');}
if (error==false&&document.theForm.phoneNumber.value==''&&document.theForm.emailAddress.value=='') {error=true;window.alert('Please enter a phone number or email address.');}
if (error==false&&document.theForm.regarding.value=='') {error=true;window.alert('What is your contact regarding?.');}
if (error==false) {document.theForm.submit();}
}