var used_bid = new Array();
var used_cid = new Array();

function display(type) {
	var banner = new Array();
	var used_bids = used_bid.join();
	var creative = new Array();
	var force = (used_bids.indexOf("0") < 0 && used_bid.length == 2) ? true : false;

	for ( var i=0; i<ad.length; i++ ) {
		if (force == true && ad[i][0] == 0) {
			creative.push(i);
		}
		else if (force == false && used_bids.indexOf(ad[i][0]) < 0) {	//bus id not used
			if (ad[i][1] == type) {
				creative.push(i);
			}
		}
	}

	var chosen = Math.round(Math.random() * (creative.length - 1));   //alert(chosen);
	//alert(creative.join());
	//alert("cid:" + creative[chosen] + ",bid:" + ad[creative[chosen]][0]);

	document.write(ad[creative[chosen]][2]);
	used_bid.push(ad[creative[chosen]][0]);
	used_cid.push(creative[chosen]);
}

function terms() {
	var terms = "";
	var tags = "";
	var _rsRD = (parseInt(navigator.appVersion)>=4) ? (new Date()).getTime() : 0;

	for ( var i=0; i<used_cid.length; i++ ) {
		terms += ad[used_cid[i]][3];
		if (ad[used_cid[i]][4].length) {
			tags += "<img src='" + ad[used_cid[i]][4] + "/rd_" + _rsRD + "' width='1' height='1' alt='1000763'>";
		}
	}

	if (terms.length) {
		document.write("IMPORTANT INFORMATION<br>\n");
		document.write(terms);
	}
	document.write(tags);
}