/* <![CDATA[ */
var picth = 140;		/* height of a single picture */
var nr_picts = 4;
function simple_move_up(){
	$('li.billboard').animate({top: '-140px'}, 3000);	
}
var curpos = 0;	
var minpos = - nr_picts * picth;
function move_up(ydiff){
	curpos = curpos - picth;
	if (curpos < minpos){
		curpos = 0;
		$('li.billboard').css({top: curpos});
		curpos = curpos - picth;
	}
	$('li.billboard').animate({top: curpos}, 3000);
	$('#curposshow').text(curpos);	
}
	
$(document).ready(function(){
	setInterval("move_up(-140)", 8000);
})
/* ]]> */