function evalPwd(s) {
	var cmpx = 0;
	if (s.length >= 2) {
		cmpx++;
		if (s.search("[A-Z]") != -1) {
			cmpx++;
		}
		if (s.search("[0-9]") != -1) {
			cmpx++;
		}
		if (s.length >= 7 || s.search("[\x20-\x2F\x3A-\x40\x5B-\x60\x7B-\x7E]") != -1) {
			cmpx++;
		}
	}
	if (cmpx == 0) {
		document.getElementById("weak").className = "nrm";
		document.getElementById("medium").className = "nrm";
		document.getElementById("strong").className = "nrm";
	} else if (cmpx == 1) {
		document.getElementById("weak").className = "red";
		document.getElementById("medium").className = "nrm";
		document.getElementById("strong").className = "nrm";
	} else if (cmpx == 2) {
		document.getElementById("weak").className = "yellow";
		document.getElementById("medium").className = "yellow";
		document.getElementById("strong").className = "nrm";
	} else {
		document.getElementById("weak").className = "green";
		document.getElementById("medium").className = "green";
		document.getElementById("strong").className = "green";
	}
}