// this is for an alert box to get a new browser, so it only opens once
var b_first;

//initialization, browser, os detection
var d, dom, nu='', brow='', ie, ie4, ie5, ie5x, ie6, ie7;
var ns4, moz, moz_rv_sub, release_date='', moz_brow, moz_brow_nu='', moz_brow_nu_sub='', rv_full=''; 
var mac, win, old, lin, ie5mac, ie5xwin, konq, saf, op, op4, op5, op6, op7;

d=document;
n=navigator;
nav=n.appVersion;
nan=n.appName;
nua=n.userAgent;
old=(nav.substring(0,1)<4);
mac=(nav.indexOf('Mac')!=-1) ? true : false;
win=( ( (nav.indexOf('Win')!=-1) || (nav.indexOf('NT')!=-1) ) && !mac)?true:false;
lin=(nua.indexOf('Linux')!=-1);
// begin primary dom/ns4 test
// this is the most important test on the page
if ( !document.layers )
{
	dom = ( d.getElementById ) ? d.getElementById : false;
}
else { 
	dom = false; 
	ns4 = true;// only netscape 4 supports document layers
}
// end main dom/ns4 test

op=(nua.indexOf('Opera')!=-1);
saf=(nua.indexOf('Safari')!=-1);
konq=(!saf && (nua.indexOf('Konqueror')!=-1) ) ? true : false;
moz=( (!saf && !konq ) && ( nua.indexOf('Gecko')!=-1 ) ) ? true : false;
ie=((nua.indexOf('MSIE')!=-1)&&!op);
if (op)
{
	str_pos=nua.indexOf('Opera');
	nu=nua.substr((str_pos+6),4);
	brow = 'Opera';
}
else if (saf)
{
	str_pos=nua.indexOf('Safari');
	nu=nua.substr((str_pos+7),5);
	brow = 'Safari';
}
else if (konq)
{
	str_pos=nua.indexOf('Konqueror');
	nu=nua.substr((str_pos+10),3);
	brow = 'Konqueror';
}
// this part is complicated a bit, don't mess with it unless you understand regular expressions
// note, for most comparisons that are practical, compare the 3 digit rv nubmer, that is the output
// placed into 'nu'.
else if (moz)
{
	// regular expression pattern that will be used to extract main version/rv numbers
	pattern = /[(); \n]/;
	// moz type array, add to this if you need to
	moz_types = new Array( 'Firebird', 'Phoenix', 'Firefox', 'Iceweasel', 'Galeon', 'K-Meleon', 'Camino', 'Epiphany', 'Netscape6', 'Netscape', 'MultiZilla', 'Gecko Debian', 'rv' );
	rv_pos = nua.indexOf( 'rv' );// find 'rv' position in nua string
	rv_full = nua.substr( rv_pos + 3, 8 );// cut out maximum size it can be, eg: 1.8a2, 1.0.0 etc
	// search for occurance of any of characters in pattern, if found get position of that character
	rv_slice = ( rv_full.search( pattern ) != -1 ) ? rv_full.search( pattern ) : '';
	//check to make sure there was a result, if not do  nothing
	// otherwise slice out the part that you want if there is a slice position
	( rv_slice ) ? rv_full = rv_full.substr( 0, rv_slice ) : '';
	// this is the working id number, 3 digits, you'd use this for 
	// number comparison, like if nu >= 1.3 do something
	nu = rv_full.substr( 0, 3 );
	for (i=0; i < moz_types.length; i++)
	{
		if ( nua.indexOf( moz_types[i]) !=-1 )
		{
			moz_brow = moz_types[i];
			break;
		}
	}
	if ( moz_brow )// if it was found in the array
	{
		str_pos=nua.indexOf(moz_brow);// extract string position
		moz_brow_nu = nua.substr( (str_pos + moz_brow.length + 1 ) ,3);// slice out working number, 3 digit
		// if you got it, use it, else use nu
		moz_brow_nu = ( isNaN( moz_brow_nu ) ) ? moz_brow_nu = nu: moz_brow_nu;
		moz_brow_nu_sub = nua.substr( (str_pos + moz_brow.length + 1 ), 8);
		// this makes sure that it's only the id number
		sub_nu_slice = ( moz_brow_nu_sub.search( pattern ) != -1 ) ? moz_brow_nu_sub.search( pattern ) : '';
		//check to make sure there was a result, if not do  nothing
		( sub_nu_slice ) ? moz_brow_nu_sub = moz_brow_nu_sub.substr( 0, sub_nu_slice ) : '';
	}
	if ( moz_brow == 'Netscape6' )
	{
		moz_brow = 'Netscape';
	}
	else if ( moz_brow == 'rv' || moz_brow == '' )// default value if no other gecko name fit
	{
		moz_brow = 'Mozilla';
	} 
	if ( !moz_brow_nu )// use rv number if nothing else is available
	{
		moz_brow_nu = nu;
		moz_brow_nu_sub = nu;
	}
	if (n.productSub)
	{
		release_date = n.productSub;
	}
}
else if (ie)
{
	str_pos=nua.indexOf('MSIE');
	nu=nua.substr((str_pos+5),3);
	brow = 'Microsoft Internet Explorer';
}
// default to navigator app name
else 
{
	brow = nan;
}
op5=(op&&(nu.substring(0,1)==5));
op6=(op&&(nu.substring(0,1)==6));
op7=(op&&(nu.substring(0,1)==7));
op8=(op&&(nu.substring(0,1)==8));
op9=(op&&(nu.substring(0,1)==9));
op10=(op&&(nu.substring(0,2)==10));
ie4=(ie&&!dom);
ie5=(ie&&(nu.substring(0,1)==5));
ie6=(ie&&(nu.substring(0,1)==6));
ie7=(ie&&(nu.substring(0,1)==7));
// default to get number from navigator app version.
if(!nu) 
{
	nu = nav.substring(0,1);
}
/*ie5x tests only for functionavlity. dom or ie5x would be default settings. 
Opera will register true in this test if set to identify as IE 5*/
ie5x=(d.all&&dom);
ie5mac=(mac&&ie5);
ie5xwin=(win&&ie5x);

//index page alert warning for ie4
function browser_warning(){
	var mess1='I\'m sorry, but there are a few bugs with how\n' +
	'Internet Explorer 4 will display these pages, \n although'+
		'much to our surprise they seem \nto be more or less working\n';
	var mess2='There is a fairly serious display problem with this site\n' +
		'with Internet Explorer 5, Macintosh version.\n\n' +
		'We are working to find a solution, but for the time being please try another browser,\n' +
		'like Mozilla, there are versions for OS 9 and X available at mozilla.org.';
	var mess3 = "We're Sorry, but your browser is too old to display this site correctly.\n" +
					"Please consider updating to a modern browser.\n" +
					"There are many good, free new ones, like Opera or Mozilla/ Firefox\n" +
					"Opera especially should run very well if you are using an old computer";
	badbrowser = false;
	if (!Get_Cookie('badbrowser'))
	{
		if (ie4){
			alert(mess1);
			badbrowser = true;
		}
		else if ( ie5mac )
		{
			alert(mess2);
			badbrowser = true;
		}
		else if ( !dom )
		{
			alert(mess3);
			badbrowser = true;
		}
		if (badbrowser)
		{
			Set_Cookie('badbrowser', 'true', '', '/', '', '')
		}
	}
}

//specific css for different browsers
function browser_css(section, depth) {
	if (section=='main'){
		if (op) {
			d.write('<style>#digitalClock {font-size:9px;font-weight:bold;}</style>');
		}
	}
	// this is an ie 6 hack to make the columns line up  
	else if ( (section == 'height' ) && ( ie && ( nu >= 6 ) ) )
	{
		content_height = (document.body.scrollHeight - 70) + 'px';
		//alert  (document.body.scrollHeight);
		document.getElementById( 'mainblock' ).style.height = content_height;
	}
}

// site frame extractor
function is_frame() {
	if ( !d.layers )
	{
		if (top.location != self.location)
		{
//			top.location.href = 'http://techpatterns.com/site/bad-sites.html';
			top.location.href = 'http://gamot.net/';
		}
	}
}
is_frame();
function no_more_junk(name, domain, css_class, subject, text) {
	if (subject)
	{
		domain += '?subject=' + subject;
	}
	if (css_class)
	{
		css_class += ' class="' + css_class + '\"';
	}
	email = '<a href=\"mailto:' + name + '@' + domain + '\"' + css_class + '\>' + text + '<\/a>';
	d.write(email);
}

// tells local time to user, formats the way you want
// initialzis arrays outside of function so they don't do it 10times a second
a_months = new Array("Jan.","Feb.","March","April","May","June","July","Aug.","Sep.","Oct.","Nov.","Dec.");
a_days = new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");

// this function gets the cookie, if it exists
function Get_Cookie( 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 ) );
}

/*
only the first 2 parameters are required, the cookie name, the cookie
value. Cookie time is in milliseconds, so the below expires will make the 
number you pass in the Set_Cookie function call the number of days the cookie
lasts, if you want it to be hours or minutes, just get rid of 24 and 60.

Generally you don't need to worry about domain, path or secure for most applications
so unless you need that, leave those parameters blank in the function call.
*/
function Set_Cookie( name, value, expires, path, domain, secure ) {
	// set time, it's in milliseconds
	var today = new Date();
	today.setTime( today.getTime() );
	// if the expires variable is set, make the correct expires time, the
	// current script below will set it for x number of days, to make it
	// for hours, delete * 24, for minutes, delete * 60 * 24
	if ( expires )
	{
		expires = expires * 1000 * 60 * 60 * 24;
	}
	//alert( 'today ' + today.toGMTString() );// this is for testing purpose only
	var expires_date = new Date( today.getTime() + (expires) );
	//alert('expires ' + expires_date.toGMTString());// this is for testing purposes only

	document.cookie = name + "=" +escape( value ) +
		( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + //expires.toGMTString()
		( ( path ) ? ";path=" + path : "" ) + 
		( ( domain ) ? ";domain=" + domain : "" ) +
		( ( secure ) ? ";secure" : "" );
}

// this deletes the cookie when called
function Delete_Cookie( name, path, domain ) {
	if ( Get_Cookie( name ) ) document.cookie = name + "=" +
			( ( path ) ? ";path=" + path : "") +
			( ( domain ) ? ";domain=" + domain : "" ) +
			";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}