function validRegForm(aForm) {
	if (aForm.user_name.value == "") {
		alert("您没有填写笔名!");
		aForm.user_name.focus();
		return false;
	}
	if (aForm.user_name.value.toLowerCase().indexOf("pharaoh") > -1 ||
	    aForm.user_name.value.toLowerCase().indexOf("changhai") > -1 ||
	    aForm.user_name.value.indexOf("版主") > -1 ||
	    aForm.user_name.value.indexOf("站长") > -1 ||
	    aForm.user_name.value.indexOf("昌海") > -1 ||
	    aForm.user_name.value.indexOf("法老王") > -1 ||
	    aForm.user_name.value.indexOf("斑主") > -1) {
		alert("抱歉，您选择的笔名 \"" + aForm.user_name.value + "\" 已被系统预用，请重新选择笔名。");
		aForm.user_name.focus();
		return false;
	}
	if (aForm.password1.value == "") {
		alert("您没有填写密码");
		aForm.password1.focus();
		return false;
	}
	if (aForm.password2.value == "") {
		alert("您没有重填密码");
		aForm.password2.focus();
		return false;
	}
	if (aForm.password1.value != aForm.password2.value) {
		alert("您两次填写的密码不相同");
		aForm.password2.focus();
		return false;
	}
	if (aForm.signature.value.length > 150) {
		alert("您的签名太长");
		aForm.signature.focus();
		return false;
	}
	if (aForm.intro.value.length > 300) {
		alert("您的个人简介太长");
		aForm.signature.focus();
		return false;
	}

	return true;
}
function validRegForm0(aForm) {
	if (aForm.user_name.value == "") {
		alert("您没有填写笔名!");
		aForm.user_name.focus();
		return false;
	}
	if (aForm.user_name.value.toLowerCase().indexOf("pharaoh") > -1 ||
	    aForm.user_name.value.toLowerCase().indexOf("changhai") > -1 ||
	    aForm.user_name.value.indexOf("版主") > -1 ||
	    aForm.user_name.value.indexOf("站长") > -1 ||
	    aForm.user_name.value.indexOf("昌海") > -1 ||
	    aForm.user_name.value.indexOf("法老王") > -1 ||
	    aForm.user_name.value.indexOf("斑主") > -1) {
		alert("抱歉，您选择的笔名 \"" + aForm.user_name.value + "\" 已被系统预用，请重新选择笔名。");
		aForm.user_name.focus();
		return false;
	}

	return true;
}
function validPCForm(aForm) {
	if (aForm.passwd1.value == "") {
		alert("您没有填写当前密码");
		aForm.passwd1.focus();
		return false;
	}
	if (aForm.passwd2.value == "") {
		alert("您没有填写新密码");
		aForm.password2.focus();
		return false;
	}
	if (aForm.passwd3.value == "") {
		alert("您没有重填新密码");
		aForm.passwd3.focus();
		return false;
	}
	if (aForm.passwd2.value != aForm.passwd3.value) {
		alert("您两次填写的新密码不相同");
		aForm.passwd3.focus();
		return false;
	}

	return true;
}
function validModForm(aForm) {
	if (aForm.signature.value.length > 150) {
		alert("您的签名太长");
		aForm.signature.focus();
		return false;
	}
	if (aForm.intro.value.length > 300) {
		alert("您的个人简介太长");
		aForm.signature.focus();
		return false;
	}

	return true;
}
function focusOnName(aForm) {
	aForm.user_name.focus();
	return true;
}
function focusOnPasswd(aForm) {
	aForm.passwd1.focus();
	return true;
}
// Display link info on browser status bar
function caption(text_string) {
	window.status = text_string;
}

function tail() {
	var now = new Date();
	var t = now.getFullYear()

	document.write("<br><br>");
	document.write("<p style=\"text-align:center; border-top:1px solid #A0A0F0; line-height:20px;\">");
	document.write("Copyright \&copy\; 2003-" + t + " by www.changhai.org. All rights reserved.<br>");
	//document.write("| <a href=\"http://www.changhai.org/\">站长主页</a> ");
	//document.write("| <a href=\"rules.html\">客栈规则</a> ");
	//document.write("| <a href=\"faqs.html\">客栈 FAQ</a> ");
	//document.write("| <a href=\"copyright.html\">版权声明</a> |<br>");
	document.write("</p>");
}

function validPostForm(aForm) {
	if (aForm.article_title.value == "") {
		alert("您没有填写文章名!");
		aForm.article_title.focus();
		return false;
	}
	if (aForm.article_content.value == "") {
		alert("您没有输入文章内容!");
		aForm.article_content.focus();
		return false;
	}
	if (aForm.article_content.value.length > 15000) {
		alert("很抱歉，您的文章太长!");
		aForm.article_content.focus();
		return false;
	}
}