var timeout = 6000;
var offset = 0;
var numdisplay = 0;
var bimages = null;



function SETImage(src, url){
	this.src = src;
	this.url = url;
}

function image_open(pos){
	if (bimages != null){
		var url = bimages[(pos + offset) % bimages.length].url;
		if(url != '') window.open(url);
	}
}

function image_change(){
	if (++offset >=bimages.length) offset = 0;
	for (var i=0; i < numdisplay; i++){
		if(document['b'+i] != null){
			document['b'+i].src = adRoot + bimages[(i + offset) % bimages.length].src;
			document.getElementById('l'+i).href = bimages[(i + offset) % bimages.length].url;
		}
	}
}

function loaded(){
	if (document.images != null && bimages != null){
		offset = Math.floor(Math.random()*bimages.length);
		for(var i=0; i < bimages.length; i++) {
			if(i < numdisplay && document['b' + i] != null){
				document['b'+i].src = adRoot + bimages[(i + offset) % bimages.length].src;
				document.getElementById('l'+i).href = bimages[(i + offset) % bimages.length].url;
			}
		}
		for(var i=bimages.length; i < numdisplay; i++){
			if(document['b'+i] != null){
				document['b'+i].src = adRoot + bimages[(i + offset) % bimages.length].src;
				document.getElementById('l'+i).href = bimages[(i + offset) % bimages.length].url;
			}
		}
		window.setInterval('image_change()', timeout);
	}
}