function do_bs(host) {
	try {
		for (var i=1;i<20;i++) {
			eval("var q='';vb_t"+i+"=null;");
			eval("vb_t"+i+"=b_t"+i+";");
			eval("q+=vb_t"+i+"?'&t='+do_bs_encode(vb_t"+i+"):'';");
			try
			{
				for (var j=1;j<20;j++) {
					eval("var vb_v"+j+"=null;");
					eval("vb_v"+j+"=b_t"+i+"_v"+j+";");
					//
					// Effective 2005-06-30, no MDT calls must be dynamically posted
					// against Bluestreak's end, so make sure to exit whatever MDT
					// formation process may have already started.
					//
					return;
					//
					eval("if(vb_v"+j+")q+='&v"+j+"='+do_bs_encode(vb_v"+j+");");
				}
			} catch(e) {}
			eval("if(q)q='?'+(vb_v1?'md':'bb')+q;");
			eval("if(q)do_bs_pull('"+host+"/ix.e'+q);");
		}
	} catch(e) {}
}

function do_bs_pull(s)
{
	try {
		(new Image()).src=s;
	} catch(e) {}
}

function do_bs_encode(s)
{
	try {
		return encodeURIComponent(s);
	} catch(e) {
		return s;
	}
}