// JavaScript Document
function checkform ( form )
 {
   // check First Name
   if (form.first.value == "") {
     alert( "Please enter your first name." );
     form.first.focus();
     return false ;
   }
    if (form.last.value == "") {
     alert( "Please enter your last name." );
     form.last.focus();
     return false ;
   }
  // check Email
   var mail=form.email.value
   var mail2=form.email2.value
   if (mail.indexOf("@") == -1) 
    {
        alert("Please enter a valid email address");
        form.email.focus(); 
        return false;
    }
	
	if (mail!=mail2) 
    {
        alert("The email addresses entered do not match");
        form.email.focus(); 
        return false;
    }
	
   if (form.email.value == "") {
     alert( "Please enter your email address." );
     form.email.focus();
     return false ;
   } 
  // check Phone Number

    if (form.phonearea.value == "") {
     alert( "Please enter your area code." );
     form.phonearea.focus();
     return false ;
   }
    if (form.phonenum.value == "") {
     alert( "Please enter your phone number." );
     form.phonenum.focus();
     return false ;
   }
   return true ;
 }