function checkLoginFields(){
	if(document.login.username.value == ''){
		alert("Please enter Username");
		return false;
	}
	else{
		if(document.login.password.value == ''){
			alert("Please enter Password");
			return false;
		} else {
			document.login.password.value = hex_md5(document.login.password.value);
		}
	}
	return true;
}

function encryptPwdQuiz(el){
	el.value = hex_md5(namak + el.value);
}