function formCheck()
{
if(document.cu.firstname.value == "")
{{
 alert("Please enter your first name.");
 document.cu.firstname.focus();
 return false;
 }
 return true;
 }
if(document.cu.lastname.value == "")
{{
 alert("Please enter your last name.");
 document.cu.lastname.focus();
 return false;
 }
 return true;
 }
if(document.cu.email.value == "")
{{
 alert("Please enter your email address.");
 document.cu.email.focus();
 return false;
 }
 return true;
 }
}