function animateHeader()
{
	var intervalLogo = 400;
	var intervalStars = 1000;
	
	var left = 0;
	var top = 0;
	
	var logo = document.getElementById( 'logo' );
	
	var timeline = new Timeline();
	
	timeline.Append( "show( 'logo' ); animate( 'logo', " + 
		parseInt( logo.style.left ) + "," + 
		0 + "," + 
		parseInt( logo.style.width ) + "," + 
		parseInt( logo.style.height ) + "," + 
		intervalLogo + ", null );",
		intervalLogo );
		
	timeline.Sleep( 500 );
		
	timeline.Append( "opacity( 'stars', 0, 100, " + intervalStars + " );", intervalStars );
}

function changeLang( lang )
{
	hideLang();	
	document.getElementById( 'menu_' + lang ).style.display = 'inline';
}

function showLang()
{
	hideLang();
	document.getElementById( 'menu_lang' ).style.display = 'inline';
}

function hideLang()
{
	var panels = document.getElementsByTagName( "div" ); 
	var i;
	
	for( i = 0; i < panels.length; i++ )  
	{  
		if( panels[i].className == 'menu' )
		{
			panels[i].style.display = 'none';			
		}
	}
}

function checkChild()
{	
	var nLastIndex = window.location.href.lastIndexOf( '?' );
	
	if( nLastIndex > 0 )
	{
		var page = window.location.href.substring( nLastIndex + 1 );
		var lang = page.substring( 0, page.lastIndexOf( '/' ) )
	
		goToPage( page );
		changeLang( lang );
	}	
}