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" : "" );
}

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";
}
	
/*
// remember, these are the possible parameters for Set_Cookie:
// name, value, expires, path, domain, secure
Set_Cookie( 'test', 'it works', '', '/', '', '' );

if ( Get_Cookie( 'test' ) ) alert( Get_Cookie('test'));
// and these are the parameters for Delete_Cookie:
// name, path, domain
// make sure you use the same parameters in Set and Delete Cookie.

Delete_Cookie('test', '/', '');
( Get_Cookie( 'test' ) ) ? alert( Get_Cookie('test')) : alert( 'it is gone');
*/

function in_array(needle, haystack) 
{
    var found = false, key;
 
    for (key in haystack) {
        if (haystack[key] == needle) {
            found = true;
            break;
        }
    }
    return found;
}
 
var x = Get_Cookie('childsArray');  
var childsArray = new Array();
if(x != null) childsArray = x.split(";");
function showChilds(n)
{
	var x = document.getElementById(n); 
	// otwieranie / zamykanie warstwy
	if(x.style.display == 'block')
	{	
		x.style.display = 'none';
		
		// zapisywanie stanu do cookie
		var newArray = new Array();	
		for(i=0;i<childsArray.length;i++) { if(childsArray[i] != n) newArray.push(childsArray[i]);	}
		childsArray = newArray;
		Set_Cookie('childsArray', childsArray.join(";"), '', '/', '', '' );
	}
	else 
	{
		x.style.display = 'block';
		// zapisywanie stanu do cookie
		childsArray.push(n);
		Set_Cookie('childsArray', childsArray.join(";"), '', '/', '', '' );
	}
	// debug
	//if ( Get_Cookie( 'childsArray' ) ) alert( Get_Cookie('childsArray'));
}


function popUp(URL) {
	day = new Date();
	id = day.getTime();
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=790,height=768,left = 117,top = 0');");
}