function dfp (site, zone, pos, siz, kw )
{

	if(typeof(cachebuster) == "undefined") {
		var cachebuster = Math.floor(Math.random()*10000000000)
	}
	if(typeof(tile) == "undefined") { 
		var tile = 1
	} else {
		tile++
	}
	var url = '<scr'+'ipt src="http://ad.doubleclick.net/adj/' + site + '/' + zone + ';kw=' + kw + ';pos=' + pos + ';tile=' + tile + ';sz=' + siz + ';ord=' + cachebuster + '?"></scr'+'ipt>';
	
	document.write(url);
}

function dfpist (site, zone, pos, siz, kw )
{

	if(typeof(cachebuster) == "undefined") {
		var cachebuster = Math.floor(Math.random()*10000000000)
	}
	if(typeof(dcopt) == "undefined") {
		var dcopt = "dcopt=ist;"
	} else {
		var dcopt = ""
	}
	if(typeof(tile) == "undefined") { 
		var tile = 1
	} else {
		tile++
	}
	var url = '<scr'+'ipt src="http://ad.doubleclick.net/adj/' + site + '/' + zone + ';kw=' + kw + ';pos=' + pos + ';' + dcopt + ';tile=' + tile + ';sz=' + siz + ';ord=' + cachebuster + '?"></scr'+'ipt>';
	
	document.write(url);
}