OAS_url ='http://realmedia.channel4.com/RealMedia/ads/';
OAS_listpos = 'Top';
OAS_query = '?';
OAS_sitepage = 'www.bigbrother.channel4.com';
//end of configuration
OAS_version = 10;
OAS_rn = '001234567890'; OAS_rns = '1234567890';
OAS_rn = new String (Math.random()); OAS_rns = OAS_rn.substring (2, 11);
function OAS_NORMAL(pos) { 
document.write('<A HREF="' + OAS_url + 'click_nx.ads/' + OAS_sitepage + '/1' + OAS_rns + '@' + OAS_listpos + '!' + pos + OAS_query + '" TARGET=_top>');
document.write('<IMG SRC="' + OAS_url + 'adstream_nx.ads/' + OAS_sitepage + '/1' + OAS_rns + '@' + OAS_listpos + '!' + pos + OAS_query + '" BORDER=0 ALT="Click!"></A>');
}

// OAS AD version
function OAS_AD(pos) {
if (OAS_version >= 11 && typeof(OAS_RICH)!='undefined')
 return OAS_RICH(pos);
else
 return OAS_NORMAL(pos);
}

// function to search document for ADS
function appendListPos(pos) {
	if(document.getElementById("c4ad-"+pos)) {
		(OAS_listpos!="")?OAS_listpos+=","+pos:OAS_listpos+=pos;
	}
}
///To replaces AD placeholder with AD content
function showAdvertOld(pos) {
	if(document.getElementById("c4ad-"+pos) && document.getElementById("c4ad-"+pos+"-parent")) {
		document.getElementById("c4ad-"+pos).innerHTML = document.getElementById("c4ad-"+pos+"-parent").innerHTML;
		document.getElementById("c4ad-"+pos+"-parent").innerHTML="";
	}


}

function showAdvert(pos) {
	if(document.getElementById("c4ad-"+pos) && document.getElementById("c4ad-"+pos+"-parent")) {
	var ad_div = document.getElementById("c4ad-"+pos+"-parent");
	var target_div = document.getElementById("c4ad-"+pos);
	target_div.style.display='block';
	var ele_array = new Array();
	for (i=0;i<ad_div.childNodes.length;i++){
	    if(ad_div.childNodes[i].tagName != '!' && ad_div.childNodes[i].tagName != 'SCRIPT'){
		ele_array[ele_array.length] = ad_div.childNodes[i];
	    }
	}
	for (i=0;i<ele_array.length;i++){
	    target_div.appendChild(ele_array[i]);	    
	}
    }
}