/*
* http://www.taywa.ch
* ft@taywa.ch
*/

$.noConflict();

jQuery(document).ready(function($) {
        
        var bodynode =     $("body");
        var winnode = $(window);
        var top;        
        
        
        function setBG(){
            
            top = winnode.scrollTop()/-2;

            //top = top/2;
            
            bodynode.css("background-position", "0 "+Math.round(top) +"px");
            
        }
        
        $(window).scroll(setBG);
     
});