/* bom检查 */
function checklogin() {
	if (document.getElementById("fname").value) {
		document.getElementById("fname").className = "input fname";
		document.getElementById("fnametip").className = "prompt";
	} else {
		document.getElementById("fname").className = "input fname needinput";
		document.getElementById("fnametip").className = "alert";
		document.getElementById("fname").focus();
		return(false);
	}
	if (document.getElementById("fpass").value) {
		document.getElementById("fpass").className = "input fpass";
		document.getElementById("fpasstip").className = "prompt";
		//设置密码强度需要pwd.js
		document.getElementById("securitylevel").value = PwdIntensity(document.getElementById("fpass").value);
	} else {
		document.getElementById("fpass").className = "input fpass needinput";
		document.getElementById("fpasstip").className = "alert";
		document.getElementById("fpass").focus();
		return(false);
	}

	if (document.getElementById("fcaptcha").value) {
		document.getElementById("fcaptcha").className = "input fcaptcha";
		document.getElementById("fcaptchatip").className = "prompt";
	} else {
		document.getElementById("fcaptcha").className = "input fcaptcha needinput";
		document.getElementById("fcaptchatip").className = "alert";
		document.getElementById("fcaptcha").focus();
		return(false);
	}
	//document.getElementById("blogin").disabled = true;
	//将登录密码md5加密
	document.getElementById("fpass").value = hex_md5(document.getElementById("fpass").value);
}