var currentPic = 0;
var pics = new Array();

function HeaderImageStart(){
	currentPic = 0;
	pics = new Array();
	$('header-image').childElements().each(function( item ){
		pics.push( item );
		currentPic ++;
		$(item).appear();
		var timeout = window.setTimeout( fadeOut, parseInt(10000*currentPic) );
	});
}

function fadeOut(){
	currentPic --;
	$(pics[currentPic]).fade();
	
	var ablauf = new Date();
	var infuenfTagen = ablauf.getTime() + (5 * 24 * 60 * 60 * 1000);
	ablauf.setTime(infuenfTagen);
	document.cookie = "FolexHeader="+parseInt(currentPic)+"; path=/; expires="+ablauf.toGMTString();
	
	if( currentPic == 0 ) HeaderImageStart(); 
	if( currentPic == 1 ) $(pics[0]).appear();
}

function showHeader(){
	// var FolexHeader = Math.floor(Math.random()*$('header-image').childElements().length);
	var FolexHeader = $('header-image').childElements().length;
	var a = document.cookie.split( ";" );
	a.each(function(item){
		var data = item.split( "=" );
		if( data[0].split(' ').join('') == "FolexHeader" ){
			FolexHeader = data[1];
		}
	});
	var counter = 1;
	if( FolexHeader == 0 ) FolexHeader = 4;
	$('header-image').childElements().each(function( item ){
		if( counter != FolexHeader ){ item.setStyle({ display: 'none' }); }
		counter ++;
	})
}