var fade = 1000;
var imageTimeout = 3000;
var currentImage;
var currentId;
var imageCount;
var lastTimer;

function initImage() {
 	currentId = 0;
//	currentId = Math.floor( Math.random() * imageCount + 1 );
	currentImage = $('.bg_image').eq( currentId );
	currentImage.fadeIn( fade, 'linear', window.setTimeout( "nextImage()", imageTimeout) );
}

function nextImage() {
	currentImage.fadeOut( fade )
		clearTimeout( lastTimer );
		if( currentId >= imageCount - 1 ) {
			currentId = 0;	
		}
		else {
			currentId++;	
		}	
		currentImage = $('.bg_image').eq( currentId );
		currentImage.fadeIn( fade, 'linear', window.setTimeout( "nextImage()", imageTimeout) );

}

$(window).load( function() {
	
	if (imageCount > 1 ) {
		initImage();
	}
	else {
		$('.bg_image').eq( 0 ).fadeIn( fade );
	}
});

$(document).ready( function() {
	imageCount = $('.bg_image').length;
	
	$( "#tabs" ).tabs();
	
	$("#navigation a").each( function( index, element ) {
		if( $(element).attr('href') == location.href.split("/")[location.href.split("/").length-1] ) {
			$(element).css( 'color', '#000' );
		}
	});
});