(function($) {
	var visibleHeader = 2; /* This determines which Header is currently being showed */
	var maxImageNum = 14;
	var lastNumber;
	var fadingTime = 1000;
	var fadeEvery = 5000;
	var headers = ['#headerImage1', '#headerImage2'];
	var randomImage = 1;
	
	function loadRandomImage() {
		//var randomImage = Math.floor(Math.random() * maxImageNum) + 1; /* Generate a random integer from 1 to maxImageNum */
		
		++randomImage;
		if(randomImage > maxImageNum) randomImage = 1;
		
		var headerInto;
		
		if(visibleHeader == 1) headerInto = headers[1];
		else headerInto = headers[0];
		
		var prependedZero = (randomImage<10) ? ('0' + String(randomImage)) : String(randomImage);
		var backgroundString = 'url("fileadmin/images/header_images/img_header_' + prependedZero + '_.jpg") repeat-x scroll center top transparent';
		//alert(backgroundString);
		
		$(headerInto).css("background", backgroundString);
	}	
	
	function switchHeaders( ) {
		if (visibleHeader == 1) {
			visibleHeader = 2;
			$(headers[1]).fadeTo(fadingTime, 1);
			$(headers[0]).fadeTo(fadingTime,0.01, loadRandomImage);
		}
		else {
			visibleHeader = 1;
			$(headers[0]).fadeTo(fadingTime, 1);
			$(headers[1]).fadeTo(fadingTime,0.01, loadRandomImage);
		}
		setTimeout(switchHeaders, fadeEvery);
	}
	
	$(function() {
		if(typeof enableFadingHeaders != "undefined") {

			loadRandomImage();
			switchHeaders();
		}
	});
	
})( jQuery );