function dcTrack(code, category, type){
	var dd = new Date();
	var ord = Math.round(Math.abs(Math.sin(dd.getTime()))*1000000000)%10000000;
	var adsfac_image = new Image(1,1);
	var src = 'http://ad.au.doubleclick.net/activity;src='+code+';';
	if(category!=null)src += 'type='+category+';';
	// if(category!=null)src += 'cat='+category+';';													 // Original code had category and type around the wrong way - need to look into.
	if(type!=null)src += 'cat='+type+';';
	// if(type!=null)src += 'type='+type+';';																	 // Original code had category and type around the wrong way - need to look into.
	src += 'ord='+ord+'?';
	
	adsfac_image.src = src;
}