var track_data={};
var track_path=[];

track( );

function track( ) {
	var tdiv = getElementById('t-obs');
	track_data.ref = document.referrer;
	
}

function img_create( ) {
	var data_str = '';
	for( k in track_data ) {
		if ( typeof track_data[k] != 'function' && typeof track_data[k] != 'object' ) {
			data_str += ( data_str.length == 0 ? '' : '&' )+k+'='+escape( track_data[k] );
		}
	}

	
	var data_str = tao_str_query_build( data );
	var image_url = "t-obs.php/"+track_path.join('/')+".gif?"+data_str;
	
	var img = '<img src="'+image_url+'" id="t-obs-pixel" />' );
}

function ot_void( ) {
	return;
}

function track_cb( data ) {
	
}

function track_impression_window_detect( ) {
	jQuery.getJSON( '/track.php', {t:1, t_hlen:history.length}, track_cb );
	// if ( history.length > 1 ) {
	
	// } else {

	// }
}

function track_impression_window_set( impression_id ) {
	console.log( history.length );
	
}