function validUser(f){
	var fname		= f.fname;
	var lname		= f.lname;	
	var bname		= f.bname;		
	var subject		= f.subject;
	var question	= f.question;
	var email		= f.email;

	if(fname.value == "")	{ alert("Please enter a first name"); fname.focus(); return false;}
	if(lname.value == "")	{ alert("Please enter a last name"); lname.focus(); return false;}	
	if(bname.value == "")	{ alert("Please enter a company name"); bname.focus(); return false;}		
	if(isEmailAddr(email))	{ alert("Please enter a valid email address"); email.focus(); return false;}
}
function validContact(f){
	var fname		= f.fname;
	var lname		= f.lname;	
	var bname		= f.bname;	
	var subject		= f.subject;
	var question	= f.question;
	var email		= f.email;

	if(fname.value == "")	{ alert("Please enter a first name"); fname.focus(); return false;}
	if(lname.value == "")	{ alert("Please enter a last name"); lname.focus(); return false;}	
	if(bname.value == "")	{ alert("Please enter a company name"); bname.focus(); return false;}	
	if(subject.value == "")	{ alert("Please enter a subject"); subject.focus(); return false;}		
	if(question.value == ""){ alert("Please enter a question"); question.focus(); return false;}		
	if(email.value == ""){ alert("Please enter an email address"); email.focus(); return false;}		
}
function isEmailAddr(email)
{
  var result = false
  var theStr = new String(email)
  var index = theStr.indexOf("@");
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}