scripts/function.js

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// JavaScript Document
window.onload = function(){
	showChater();
	scrollChater();
}
window.onscroll = scrollChater;
window.onresize = scrollChater;

function FocusItem(obj)
{
	obj.parentNode.parentNode.className = "current";
	var msgBox = obj.parentNode.getElementsByTagName("span")[0];
	msgBox.innerHTML = "";
	msgBox.className = "";
}

function CheckItem(obj)
{
	obj.parentNode.parentNode.className = "";
	var msgBox = obj.parentNode.getElementsByTagName("span")[0];
	switch(obj.name) {
		case "userName":
			if(obj.value == "") {
				msgBox.innerHTML = "用户名不能为空";
				msgBox.className = "error";
				return false;
			}
			break;
		case "passWord":
			if(obj.value == "") {
				msgBox.innerHTML = "密码不能为空";
				msgBox.className = "error";
				return false;
			}
			break;
		case "rePassWord":
			if(obj.value == "") {
				msgBox.innerHTML = "确认密码不能为空";
				msgBox.className = "error";
				return false;
			} else if(obj.value != document.getElementById("passWord").value) {
				msgBox.innerHTML = "两次输入的密码不相同";
				msgBox.className = "error";
				return false;
			}
			break;
		case "veryCode":
			if(obj.value == "") {
				msgBox.innerHTML = "验证码不能为空";
				msgBox.className = "error";
				return false;
			}
			break;
	}
	return true;
}

function checkForm(frm)
{
	var els = frm.getElementsByTagName("input");