if(! texlink_top) texlink_top = 0;// テキストリンクの先頭位置
var nums = shuffle(get_nums(urls.length));

function SetAd() {
	
	var img;
	var max = urls.length;
	for(i=0; i<max; i++) {
		pos = i + 1;
		img = 'image' + pos;
		//alert(img);
		document.images[img].src = images[nums[i]];
		document.images[img].style.visibility = 'visible';
		
		document.links[texlink_top+i*2].href = urls[nums[i]];
		document.links[texlink_top+1+i*2].innerText = texts[nums[i]];
		document.links[texlink_top+1+i*2].href = urls[nums[i]];
	}
}

function shuffle(list) {

	var i = list.length;
	var k, j;
	while (--i > 0) {
		j = Math.floor(Math.random() * (i + 1));
		if (i == j) continue;
		k = list[i];
		list[i] = list[j];
		list[j] = k;
	}

	return list;
}

function get_nums(max) {
	
	var i = 0;
	var list = new Array();
	for(i=0; i<max; i++) {
		list[i] = i;
	}

	return list;
}