// JavaScript Document
function validate_form()
{
	var flag      = true;
	var error_msg = "The following errors occurred:\n";
	var sname     = document.getElementById('name');
	var semail    = document.getElementById('email');
	var smessage  = document.getElementById('message');
	var scode     = document.getElementById('captcha');


	if (sname.value == '' || sname.value == null)
	{
		flag = false;
		error_msg += "\n Please enter your name";
	}


	if (semail.value == '' || semail.value == null)
	{
		flag = false;
		error_msg += "\n Please enter an email address";
	}


	if (smessage.value == '' || smessage.value == null)
	{
		flag = false;
		error_msg += "\n Please enter a message";
	}


	if (scode.value == '' || scode.value == null)
	{
		flag = false;
		error_msg += "\n Please enter the code";
	}

	if (!flag)
	{
		window.alert(error_msg + '\n');
	}
	return flag;
}