var pictures = new Array;pictures[0] = 'img02.jpg';pictures[1] = 'img03.jpg';pictures[2] = 'img04.jpg';var timeout = '6';var header = document.getElementById('header');var pMax = pictures.length;var i = 0;function slide() {	document.getElementById('header').style.background = 'url("./header/'+pictures[i]+'")';	i == pMax-1 ? i = 0 : i++;	setTimeout('slide();',timeout * 1000);}