// JavaScript Document
function validate_site_search()
{
	if (window.document.frm_site_search.site_search_for.value == "")
	{
		alert("You must input text to search for");
		return false;
	}
	else
	{
		return true;
	}
}

function validate_message(is_parent)
{
	bol_valid = true;
	err_msg = "Please check the following:\n";
	this_form = window.document.forum_message;
	
	if (this_form.mfm_poster_name.value == "")
	{
		bol_valid = false;
		err_msg = err_msg + "Input your name\n";
	}
	
	if (is_parent == 1)
	{
		if (this_form.mfm_title.value == "")
		{
			bol_valid = false;
			err_msg = err_msg + "Input your message title\n";
		}
	}
	
	if (this_form.mfm_message.value == "")
	{
		bol_valid = false;
		err_msg = err_msg + "Input your message\n";
	}
	
	if (bol_valid)
	{
		return true;
	}
	else
	{
		alert(err_msg);
		return false;
	}
}

function validate_forum_search()
{
	if (window.document.forum_search.forum_search_for.value == "")
	{
		alert("You must input text to search for");
		return false;
	}
	else
	{
		return true;
	}
}

function validate_noticeboard()
{
	bol_valid = true;
	err_msg = "Please check the following:\n";
	this_form = window.document.noticeboard_form;
	
	if (this_form.mnn_poster_name.value == "")
	{
		bol_valid = false;
		err_msg = err_msg + "Input your name\n";
	}
	
	if (this_form.mnn_title.value == "")
	{
		bol_valid = false;
		err_msg = err_msg + "Input a title\n";
	}
	
	if (this_form.mnn_content.value == "")
	{
		bol_valid = false;
		err_msg = err_msg + "Input the message\n";
	}
	
	if (this_form.mnn_content.value.length > 500) 
	{
		bol_valid = false;
		err_msg = err_msg + "Message must be 500 characters or less\n";
	}
	
	if (bol_valid)
	{
		return true;
	}
	else
	{
		alert(err_msg);
		return false;
	}
}


function emailCheck (emailStr) {

var checkTLD=1;
var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
var emailPat=/^(.+)@(.+)$/;
var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
var validChars="\[^\\s" + specialChars + "\]";
var quotedUser="(\"[^\"]*\")";
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
var atom=validChars + '+';
var word="(" + atom + "|" + quotedUser + ")";
var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
var matchArray=emailStr.match(emailPat);
if (matchArray==null) {
alert("Your email address is incorrect (check @ and .'s)");
return false;
}
var user=matchArray[1];
var domain=matchArray[2];

for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
alert("The email address contains invalid characters.");
return false;
   }
}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
alert("Ths domain name contains invalid characters.");
return false;
   }
}
if (user.match(userPat)==null) {
alert("The username doesn't seem to be valid.");
return false;
}
var IPArray=domain.match(ipDomainPat);
if (IPArray!=null) {
for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
alert("Destination IP address is invalid!");
return false;
   }
}
return true;
}
var atomPat=new RegExp("^" + atom + "$");
var domArr=domain.split(".");
var len=domArr.length;
for (i=0;i<len;i++) {
if (domArr[i].search(atomPat)==-1) {
alert("The domain name does not seem to be valid.");
return false;
   }
}
if (checkTLD && domArr[domArr.length-1].length!=2 && 
domArr[domArr.length-1].search(knownDomsPat)==-1) {
alert("The address must end in a well-known domain or two letter " + "country.");
return false;
}
if (len<2) {
alert("This address is missing a hostname!");
return false;
}
return true;
}
//