//	********  Constants that the Server knows about as well  *******

var BASE_URL = "http://" + location.hostname;

var COOKIE_DOMAIN = location.hostname;


var COOKIE_NAME_MEMBER = 'member';
var COOKIE_NAME_MENU = 'menu';
var COOKIE_NAME_CART = 'cart';
var COOKIE_NAME_REFER = 'refer';
var COOKIE_EXPIRES_MEMBER = 2;	//days
var COOKIE_EXPIRES_CART = 1;	//days
var IMAGE_SIZE_LIMIT = '5 Mb';
var CURRENCY_SYMBOL = '$';


var closeSessionAjaxRequest;
function CloseSession()
{
	var cookie = getCookie(COOKIE_NAME_MEMBER);
	if (cookie == null)
		return;
	var cookieValues = cookie.split('---');

	deleteCookie(COOKIE_NAME_MEMBER, '/', COOKIE_DOMAIN);
	deleteCookie(COOKIE_NAME_CART, '/', COOKIE_DOMAIN);
	deleteCookie(COOKIE_NAME_REFER, '/', COOKIE_DOMAIN);

	FireMenuScript();
	var url = '/scripts/logout.php?session=' + cookieValues[2];
	closeSessionAjaxRequest = createRequestObject();
	closeSessionAjaxRequest.open('get', url);
	closeSessionAjaxRequest.onreadystatechange = Callback_Close;
	closeSessionAjaxRequest.send(null);
}
function Callback_Close(){

}

function FireMenuScript()
{
	var cookie = getCookie(COOKIE_NAME_MEMBER);
	var cookieValues;
	if (cookie != null){
		cookieValues = cookie.split('---');
		if ((cookieValues[0] != null) && (cookieValues[1] != null )){
			var link = document.getElementById('loginLink');
			link.innerHTML = 'Logout, ' + cookieValues[0];
			var membersLink = document.getElementById('membersLink');
			membersLink.innerHTML = 'Members Area';
		}
	}
	else {
		var link = document.getElementById('loginLink');
		link.innerHTML = 'Login';
		var membersLink = document.getElementById('membersLink');
		membersLink.innerHTML = '';
	}
	//ShowLeftMenuItem();

}
/*
Not used, changed drop-down menu to slide out
function ShowLeftMenuItem()
{
	var cookie = getCookie(COOKIE_NAME_MENU);
	if (cookie == null){
		setCookie( COOKIE_NAME_MENU, '', COOKIE_EXPIRES_MEMBER, '/', COOKIE_DOMAIN, false );
		return;
	}
	// show the menus....we do it server-side now so ignore?
	var cookieValues = cookie.split('---');
	for (i = 0; i < cookieValues.length; i++){
		if (document.getElementById(cookieValues[i]))
			document.getElementById(cookieValues[i]).style.display = 'block';
	}

}
*/

//	***********    C  O  O  K  I  E  S   ***************
function getCookie( name ) {
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {
		return null;
	}
	if ( start == -1 ) return null;
	var end = document.cookie.indexOf( ";", len );
	if ( end == -1 ) end = document.cookie.length;
	return unescape( document.cookie.substring( len, end ) );
}

function setCookie( name, value, expires, path, domain, secure ) {
	var today = new Date();
	today.setTime( today.getTime() );
	if ( expires ) {
		expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );
	document.cookie = name+"="+escape( value ) +
		( ( expires ) ? ";expires="+expires_date.toGMTString() : "" ) + //expires.toGMTString()
		( ( path ) ? ";path=" + path : "" ) +
		( ( domain ) ? ";domain=" + domain : "" ) +
		( ( secure ) ? ";secure" : "" );
}

function deleteCookie( name, path, domain ) {
	if ( getCookie( name ) ) document.cookie = name + "=" +
			( ( path ) ? ";path=" + path : "") +
			( ( domain ) ? ";domain=" + domain : "" ) +
			";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}
//	****************************************************

function GetQueryVariable(variable) {
	var query = window.location.search.substring(1);
	var vars = query.split("&");
	for (var i=0;i<vars.length;i++) {
		var pair = vars[i].split("=");
		if (pair[0] == variable) {
			return pair[1];
		}
	}
	return '';
}

function SetSelectElementValue (selectElementId, value)
{
	var selectElement = document.getElementById(selectElementId);
	selectElement.options[selectElement.selectedIndex].selected = 'false';
	for (var i = 0; i < selectElement.options.length; i++){
		if (selectElement.options[i].value.toLowerCase() == value){
			selectElement.options[i].selected = 'true';
			break;
		}
	}
}
var imageCache = new Image();
function GetImageCached (imageUrl)
{
	try{
		imageCache.src = BASE_URL + imageUrl;
	}
	catch (err) {}
}

//	********  H e l p e r   F u n c t i o n s
function createRequestObject()
{
	var request_o;
	var browser = navigator.appName;
	if(browser == "Microsoft Internet Explorer")
		request_o = new ActiveXObject("Microsoft.XMLHTTP");
	else
		request_o = new XMLHttpRequest();
	return request_o;
}
function RunAjaxRequest (ajaxObject, url, callbackFunction)
{
	ajaxObject.open('get', url);
	ajaxObject.onreadystatechange = callbackFunction;
	ajaxObject.send(null);
}

function ShowHideDiv(divId)
{
	var div = document.getElementById(divId);

	if (div){
		if (div.style.display == 'none') {
			div.style.display = 'block';
		}
		else {
			div.style.display = 'none';
		}
	}
	return false;
}
function StripWhiteSpace (stringValue)
{
	if ((stringValue == null) || (stringValue == ''))
		return stringValue;
	return stringValue.replace(/^\s+/g, '').replace(/\s+$/g, '');
}

function InputNumbers (inputEvent, inputElement, pointOkay)
{
    	var keyCode = inputEvent.keyCode;
	var onePoint = ((inputElement != null) && (inputElement.value.indexOf('.') > -1));
	//	if they already have a point and the key they press is a point...do not allow

	if ((pointOkay) && ((onePoint) && ((keyCode == 190) || (keyCode == 110))))
		return false;
	if (pointOkay)
    		return (((keyCode==190) || (keyCode==110) && !onePoint) || (keyCode==9) || ((keyCode==46) || (keyCode==8)) || (keyCode>=48 && keyCode<=57) || (keyCode>=96 && keyCode<=105)  || (keyCode>=37 && keyCode<=40));
    	else
    		return ((keyCode==9) || ((keyCode==46) || (keyCode==8)) || (keyCode>=48 && keyCode<=57) || (keyCode>=96 && keyCode<=105)  || (keyCode>=37 && keyCode<=40));
}


function IsNumeric(sText)
{
	var ValidChars = "0123456789.";
	var IsNumber=true;
	var Char;
	for (i = 0; i < sText.length && IsNumber == true; i++) {
		Char = sText.charAt(i);
		if (ValidChars.indexOf(Char) == -1) {
			IsNumber = false;
		}
	}
	return IsNumber;

}



function initJSControls() {
	var flashCheck = new FlashCheck(document.getElementById('contentDiv'), '/images/noflashImage.jpg', '/scripts/main.swf', 760, 145);
	flashCheck.AddFlash();
}
FLASH_UNKNOWN = 0;
FLASH_NOT_INSTALLED = 1;
FLASH_INSTALLED = 2;

function FlashCheck(targetDiv, noFlashImageUrl, flashUrl, width, height) {

	var flashInstalled = false;
	var flashState = FLASH_UNKNOWN;
	var flashversion = 0;
	var MSDetect = "false";
	var target = targetDiv;

	this.AddFlash = AddFlash;

	function AddFlash() {
		runFlashCheck();

		if (flashInstalled) {
			target.innerHTML += "<embed src='" + flashUrl + "' quality='high' bgcolor='#ffffff' width='" + width + "' height='" + height + "' name='main' align='middle' allowScriptAccess='sameDomain' type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/go/getflashplayer' />";
		}
		else {
			target.innerHTML += "<img src=\"" + noFlashImageUrl + "\" border=\"0\" width=\"" + width + "\" height=\"" + height + "\">";
		}
	}

	function runFlashCheck() {

		if (navigator.plugins && navigator.plugins.length)
		{
			x = navigator.plugins["Shockwave Flash"];
			if (x)
			{
				flashState = FLASH_INSTALLED;
				if (x.description)
				{
					y = x.description;
					flashversion = y.charAt(y.indexOf('.')-1);
				}
			}
			else
				flashState = FLASH_NOT_INSTALLED;
			if (navigator.plugins["Shockwave Flash 2.0"])
			{
				flashState = FLASH_INSTALLED;
				flashversion = 2;
			}
		}
		else if (navigator.mimeTypes && navigator.mimeTypes.length)
		{
			x = navigator.mimeTypes['application/x-shockwave-flash'];
			if (x && x.enabledPlugin)
				flashState = FLASH_INSTALLED;
			else
				flashState = FLASH_NOT_INSTALLED;
		}
		else {
			// IE flash detection.
			for (var i = 10; i > 0; i--) {
				flashVersion = 0;
				try{
					var flash = new ActiveXObject("ShockwaveFlash.ShockwaveFlash." + i);
					flashVersion = i;
					break;
				}
				catch(e){
				}
			}
			if (flashVersion > 0)
				flashState = FLASH_INSTALLED;
		}

		flashInstalled = (flashState == FLASH_INSTALLED);
	}

}