function isNumberString (InString,RefString)
{
	if(InString.length==0) return (false);
	for (Count=0; Count < InString.length; Count++)  
	{
		TempChar= InString.substring (Count, Count+1);
		if (RefString.indexOf (TempChar, 0)==-1)  
		return (false);
	}
	return (true);
}
function alertFocus(obj, msg)
{
	alert(msg);
	try{obj.focus();}
	catch(e){}
}
function checkdata()
{
	if( isNumberString(Login.user.value,"1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_")!=1 || Login.user.value.length<2 || Login.user.value.length>16) {alertFocus(Login.user,"\提示:下面是产生错误的可能原因：\n\n·用户名必须是2-16位的数字、英文或下划线");return false;}
	if( Login.pass.value =="" || Login.pass.value.length<4 || Login.pass.value.length>16) {alertFocus(Login.pass,"\提示:下面是产生错误的可能原因：\n\n·请输入 4-16 位的密码");return false;}
	if( Login.regjm.value=="" || Login.regjm.value=="验证码→") {alertFocus(Login.regjm,"\提示:下面是产生错误的可能原因：\n\n·请输入验证码!");return false;}
}
var tempstr="";
tempstr=tempstr +"<form  name=\"Login\" method=\"post\" action=\"/check.asp\" onSubmit=\"return checkdata()\">";
tempstr=tempstr +"<h3>用户登录</h3>";
tempstr=tempstr +"<p><input name=\"user\" type=\"text\" value=\"用户名\" tabindex=\"1\" onfocus=\"javascript:if(this.value=='用户名'){this.value='';}\"  onblur=\"javascript:if(this.value==''){this.value='用户名';}\" id=\"username\" /> <input name=\"saveuser\" value=\"1\" type=\"checkbox\" id=\"rem_user\"  tabindex=\"4\"/><label for=\"rem_user\">记住用户名</label></p>";
tempstr=tempstr +"<p><input name=\"pass\" type=\"password\" value=\"密码\" tabindex=\"2\" onfocus=\"javascript:if(this.value=='密码'){this.value='';}\"  onblur=\"javascript:if(this.value==''){this.value='密码';}\" id=\"password\" /> <input name=\"savepass\" value=\"1\" type=\"checkbox\" id=\"rem_pass\"  tabindex=\"5\"/><label for=\"rem_pass\">保存密码</label></p>";
tempstr=tempstr +"<p><input name=\"regjm\" type=\"text\"  tabindex=\"3\" value=\"验证码→\" onfocus=\"javascript:if(this.value=='验证码→'){this.value='';}\"  onblur=\"javascript:if(this.value==''){this.value='验证码→';}\" id=\"regjm\"/> <img src=\"/getcode.asp?id=12889.92\" style=\"margin-left:5px;margin-right:5px; \" /><input name=\"submit\" type=\"submit\" id=\"loginButton\" value=\"登 录\" tabindex=\"6\"/></p>";
tempstr=tempstr +"<div class=\"loginLine\"></div>";
tempstr=tempstr +"<p class=\"center\"><a href=\"/reg.asp\">[免费注册]</a><a href=\"/getpass.asp\">[忘记密码?]</a></p>";
tempstr=tempstr +"</form>";
document.write(tempstr);
//document.getElementById("login_RightBorder").innerHTML=tempstr;