function funcCheckFields(){
 var emailString =  /^([_0-9a-z\.-])+@([_0-9a-z\.-])+[a-z]{2,3}$/i;

 if(document.getElementById('strFirstName').value.length<1||document.getElementById('strFirstName').value.length>24){
  window.alert("First Name must be between 1 and 24 characters.");
  document.getElementById('strFirstName').focus();
  return false;
  } 
 if(document.getElementById('strLastName').value.length<1||document.getElementById('strLastName').value.length>32){
  window.alert("Last Name must be between 1 and 32 characters.");
  document.getElementById('strLastName').focus();
  return false;
  }  
 if(document.getElementById('strEmailAddress').value.length<6){
  window.alert("Please enter your E-Mail Address.");
  document.getElementById('strEmailAddress').focus();
  return false;
  }
 if ((document.getElementById('strEmailAddress').value.search(emailString) == -1)){
  window.alert("Please enter a valid E-Mail Address.");
  document.getElementById('strEmailAddress').focus();
  return false;
  }
 if(document.getElementById('strPhoneNumber').value.length>0){
  if(document.getElementById('strPhoneNumber').value.length<7||document.getElementById('strPhoneNumber').value.length>14){
   window.alert("The Phone Number must be between 7 and 14 characters.");
   document.getElementById('strPhoneNumber').focus();
   return false;
  }}
    
 else{
  return true;
  }
 }