// JavaScript Document

function checkForm()
{
var cfirst_name, clast_name, ctitle, ccompany, cphone, cemail_address;
with(window.document.listForm)
	{
	cfirst_name = first_name;
	clast_name = last_name;
	ctitle = title;
	ccompany = company;
	cphone = phone
	cemail_address = email_address;
	}
if(trim(cfirst_name.value) == '')
	{
	alert('Please enter your first name');
	cfirst_name.focus();
	return false;
	}
else if(trim(clast_name.value) == '')
	{
	alert('Please enter your last name');
	clast_name.focus();
	return false;
	}
else if(trim(ctitle.value) == '')
	{
	alert('Please enter your title');
	ctitle.focus();
	return false;
	}
else if(trim(ccompany.value) == '')
	{
	alert('Please enter your company name');
	ccompany.focus();
	return false;
	}
else if(trim(cphone.value) == '')
	{
	alert('Please enter a phone number');
	cphone.focus();
	return false;
	}
else if(trim(cemail_address.value) == '')
	{
	alert('Please enter a valid email address');
	cemail_address.focus();
	return false;
	}
else 
	{
	cfirst_name.value = trim(cfirst_name.value);
	clast_name.value = trim(clast_name.value);
	ctitle.value = trim(ctitle.value);
	ccompany.value = trim(ccompany.value);
	cphone.value = trim(cphone.value);
	cemail_address.value = trim(cemail_address.value);
	return true;
	}
}
function trim(str)
{
   return str.replace(/^\s+|\s+$/g,'');
}