form_validate = function()
{
	valid = true;
	
	var oForm = document.forms["content_form"];
	
	var subject 		= oForm.subject.value;
	var name 			= oForm.name.value;
	var email 			= oForm.email.value;
	var message 		= oForm.message.value;
	var image_code		= oForm.image_code.value;
	
	var alertMsg = "<h1>Errors were found,<br />please correct them and try again</h1><ul>\n";
	
	var l_Msg = alertMsg.length;
	
	if (subject == '')
	{
		alertMsg += "<li>Your name is a required field</li>\n";
		valid = false;
	}
	
	if (name == '')
	{
		alertMsg += "<li>E-mail is a required field</li>\n";
		valid = false;
	}	
	
	if (email == '')
	{
		alertMsg += "<li>E-mail is a required field</li>\n";
		valid = false;
	}	
	
	if (email != '')
	{
		var re = /^[^\s()<>@,;:\/]+@\w[\w\.-]+\.[a-z]{2,}$/i
		var email_test = re.test(email)
		if (email_test != true)
		{
			alertMsg += "<li>Please enter a valid e-mail address</li>\n";
			valid = false;
		}
	}

	if (message == '')
	{
		alertMsg += "<li>Message is a required field</li>\n";
		valid = false;
	}
	
	if (image_code == '')
	{
		alertMsg += "<li>Please enter the access code shown above the submit button</li>\n";
		valid = false;
	}	
	
	if (alertMsg.length == l_Msg)
	{
		submitonce(oForm);
		return true;	
	}
	else 
	{
		document.getElementById('errors').style.display = "block";
		document.getElementById('errors').style.padding = "1em";
		document.getElementById('errors').innerHTML = alertMsg + "</ul>"
		window.location.hash = '#errors';
		return false;
	}
		return valid;
}