function debug(){
          //  alert("hi");
};
			 var increment = 1;
            var startingPos = 0;
            var recallFunct;
            function bgScroll(){
            document.body.style.backgroundPosition= "0 " + startingPos%471;
            startingPos=startingPos+increment;
            recallFunct=setTimeout("bgScroll()", 30);
            }