var cfregex = /\[[=<>]/;
var cfregex2 = /\[(=|>[=]?|<[>=]?)(-?\d+(?:\.\d*)?)\]/;
function chkcond(v, rr) {
	if(rr == null) return false;
	var thresh = parseFloat(rr[2]);
	switch(rr[1]) {
		case "=":  if(v == thresh) return true; break;
		case ">":  if(v >  thresh) return true; break;
		case "<":  if(v <  thresh) return true; break;
		case "<>": if(v != thresh) return true; break;
		case ">=": if(v >= thresh) return true; break;
		case "<=": if(v <= thresh) return true; break;
	}
	return false;
}