/**
* Declaration variables
*/
var selectedTab = "";
var screenHeight = window.screen.availHeight;
var screenWidth = window.screen.availWidth;
var colorDepth = window.screen.colorDepth;
var timeNow = new Date();
var referrer = escape(document.referrer);
var windows, mac, linux;
var ie, op, moz, misc, browsercode, browsername, browserversion, operatingsys;
var dom, ienew, ie4, ie5, ie6, moz_rv, moz_rv_sub, ie5mac, ie5xwin, opnu, op4, op5, op6, op7, saf, konq;
var appName, appVersion, userAgent;
var appname = navigator.appName;
var appVersion = navigator.appVersion;
var userAgent = navigator.userAgent.toLowerCase();
var title = document.title;
var checktoggle = 1;
var DOMBROWSER = "default";

windows = (appVersion.indexOf('Win') != -1);
mac = (appVersion.indexOf('Mac') != -1);
linux = (appVersion.indexOf('Linux') != -1);

/**
* DOM Compatible?
*/
if (!document.layers)
{
	dom = (document.getElementById ) ? document.getElementById : false;
} else {
	dom = false;
}

if (document.getElementById)
{
	DOMBROWSER = "default";
} else if (document.layers) {
	DOMBROWSER = "NS4";
} else if (document.all) {
	DOMBROWSER = "IE4";
}

misc=(appVersion.substring(0,1) < 4);
op=(userAgent.indexOf('opera') != -1);
moz=(userAgent.indexOf('gecko') != -1);
ie=(document.all && !op);
saf=((userAgent.indexOf('safari') != -1) || (navigator.vendor == "Apple Computer, Inc."));
konq=(userAgent.indexOf('konqueror') != -1);

if (op) {
	op_pos = userAgent.indexOf('opera');
	opnu = userAgent.substr((op_pos+6),4);
	op5 = (opnu.substring(0,1) == 5);
	op6 = (opnu.substring(0,1) == 6);
	op7 = (opnu.substring(0,1) == 7);
} else if (moz){
	rv_pos = userAgent.indexOf('rv');
	moz_rv = userAgent.substr((rv_pos+3),3);
	moz_rv_sub = userAgent.substr((rv_pos+7),1);
	if (moz_rv_sub == ' ' || isNaN(moz_rv_sub)) {
		moz_rv_sub='';
	}
	moz_rv = moz_rv + moz_rv_sub;
} else if (ie){
	ie_pos = userAgent.indexOf('msie');
	ienu = userAgent.substr((ie_pos+5),3);
	ie4 = (!dom);
	ie5 = (ienu.substring(0,1) == 5);
	ie6 = (ienu.substring(0,1) == 6);
}

if (konq) {
	browsercode = "KO";
	browserversion = appVersion;
	browsername = "Knoqueror";
} else if (saf) {
	browsercode = "SF";
	browserversion = appVersion;
	browsername = "Safari";
} else if (op) {
	browsercode = "OP";
	if (op5) {
		browserversion = "5";
	} else if (op6) {
		browserversion = "6";
	} else if (op7) {
		browserversion = "7";
	} else {
		browserversion = appVersion;
	}
	browsername = "Opera";
} else if (moz) {
	browsercode = "MO";
	browserversion = appVersion;
	browsername = "Mozilla";
} else if (ie) {
	browsercode = "IE";
	if (ie4) {
		browserversion = "4";
	} else if (ie5) {
		browserversion = "5";
	} else if (ie6) {
		browserversion = "6";
	} else {
		browserversion = appVersion;
	}
	browsername = "Internet Explorer";
}

if (windows) {
	operatingsys = "Windows";
} else if (linux) {
	operatingsys = "Linux";
} else if (mac) {
	operatingsys = "Mac";
} else {
	operatingsys = "Unkown";
}

/**
 * Functions for finding, hiding, and displaying objects.
 *
 * Special function find, hide, diplay multiple objects at a time.
 */

function browserObject(objid)
{
	if (DOMBROWSER == "default")
	{
		return document.getElementById(objid);
	} else if (DOMBROWSER == "NS4") {
		return document.layers[objid];
	} else if (DOMBROWSER == "IE4") {
		return document.all[objid];
	}
}

function displayObject(objid)
{
	result = browserObject(objid);
	if (!result)
	{
		alert("Invalid Display Object: "+objid+"\nPlease make sure that all correct display objects are on the page");
		return;
	}
	result.style.display = "";
}

function hideObject(objid)
{
	result = browserObject(objid);
	if (!result)
	{
		alert("Invalid Display Object: "+objid+"\nPlease make sure that all correct display objects are on the page");
		return;
	}
	result.style.display = "none";
}

function myDisplayTemplate() {
	displayObject('objectname');
	displayObject('object2name');
	hideObject('object3name');
}

function switchDisplay(objid)
{
	result = browserObject(objid);
	if (!result)
	{
		alert("Invalid Display Object: "+objid+"\nPlease make sure that all correct display objects are on the page");
		return;
	}

	if (result.style.display == "none")
	{
		result.style.display = "";
	} else {
		result.style.display = "none";
	}
}

function blurObject(objid) 
{
	var objM = browserObject(objid);
	if (objM)
	{
		objM.blur();
	}
}