// dont_show_chooser_in_this_session
// 
var kateg_expiration = '1';
//var kateg_expiration = null;

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;
		}
	var expires_date = new Date( today.getTime() + (expires) );
	
	document.cookie = name + "=" +escape( value ) +
		( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) +
		( ( path ) ? ";path=" + path : "" ) +
		( ( domain ) ? ";domain=" + domain : "" ) +
		( ( secure ) ? ";secure" : "" );
}
			


// this fixes an issue with the old method, ambiguous values
// with this test document.cookie.indexOf( name + "=" );
function Get_Cookie( check_name ) {
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f

	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );


		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

		// if the extracted name matches passed check_name
		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )
			{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found )
	{
		return null;
	}
}
				

//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";
}


 
function cookie_filter_AddCategory(categ) 
{
	var v = Get_Cookie('pokaz_kategorie');
	if( (null==v) || (''==v) ) {
		Set_Cookie('pokaz_kategorie', categ, kateg_expiration, '/');
//		alert('dodajemy "'+categ+'" do pustego');
	} else 
	{
		
//		console.log('cookie before: '+v);
//		var kategorie_redund = explode(',', v);
		var kategorie_redund = v.split(',');
		
//		console.log('splitted:');
//		console.log(kategorie_redund);
		
		kategorie_redund.push(categ);
		var kategorie_uniq = {};
		 
//		console.log(kategorie_redund);
		for(i in kategorie_redund) {
//			console.log(i);
			kategorie_uniq[ kategorie_redund[i] ] = 1;
		}
		
//		console.log(kategorie_uniq);
//		console.log('---');
		var s = '';
		var sep = '';
		for(i in kategorie_uniq) {
//			console.log(i);
			s += sep + i;
			sep = ',';
		}
		Set_Cookie('pokaz_kategorie', s, kateg_expiration, '/');
//		alert('dodajemy do czegoś - będzie "'+s+'"');
	}
} 

function cookie_filter_RemoveCategory(categ) 
{
	var v = Get_Cookie('pokaz_kategorie');
	if( (null==v) || (''==v) ) {
		Set_Cookie('pokaz_kategorie', categ, kateg_expiration, '/');
	} 
	else {
		var kategorie_redund = v.split(',');
		kategorie_redund.push(categ); // FIX
		var kategorie_uniq = {};
		for(i in kategorie_redund) {
			kategorie_uniq[ kategorie_redund[i] ] = 1;
		}
		kategorie_uniq[ categ ] = 0;
		var s = '';
		var sep = '';
		for(i in kategorie_uniq) {
			if(kategorie_uniq[i]) {
				s += sep + i;
				sep = ',';
			}
		}
		Set_Cookie('pokaz_kategorie', s, kateg_expiration, '/');
	}
} 
function cookie_filter_RemoveAllCategories(categ)
{
	Delete_Cookie('pokaz_kategorie', '/');
}