function jsMailer_validateForm(form)
{
	var name = trim(form.msg_name.value);
	var company = trim(form.msg_company.value);
	var email = trim(form.msg_email.value);
	var text = trim(form.msg_text.value);
	
	// validate name
	if (name == "")
	{
		alert("Please, check field 'Name'");
		return false;
	}

	// validate email
	var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
	if ((email == "") || (!email.match(re)))
	{
		alert("Please, check field 'E-Mail'");
		return false;
	}

	// validate text
	if ((text == "") || (text.length > 3000))
	{
		alert("Please, check field 'Message'");
		return false;
	}
		
	return true;
}