setTimeout("my_cross_fade(0)",5000);
	
var images_arr   = new Array(4);
images_arr[0] = 'images/static/h1.jpg';
images_arr[1] = 'images/static/h2.jpg';
images_arr[2] = 'images/static/h3.jpg';
images_arr[3] = 'images/static/h4.jpg';
images_arr[4] = 'images/static/h5.jpg';
var target_arr   = new Array(4);
target_arr[0] = 'category/craft/';
target_arr[1] = 'category/materials/';
target_arr[2] = 'category/method/';
target_arr[3] = 'category/technology/';
target_arr[4] = 'category/experience/';

function my_cross_fade(k)
{
//alert(k);
if(k<images_arr.length-1)
{
	k = k+1;
} else {
	k = 0;
}

crossfade(document.getElementById('ad'), images_arr[k], '1', '');
document.getElementById('ad_href').href = target_arr[k];
setTimeout("my_cross_fade("+k+")",5000);

}