function wirteLoginForm(prepath)
{
	if(prepath==null)
		prepath="";
	var userName = getCookie("username");
	var zgCookie = getCookie("zgcookie");
	var newmessage = getCookie("newmessage");
	var lastlogintime = getCookie("lastlogintime");
	if ( userName == 'null' || userName == '' ) 
	{
		document.write('<form name="login_form" action="http://www.zhangguiwang.com/signon.do" method="post"><span>用户名：</span><span><input type="text" id="usernameinput" name="username"/></span><span>密码：</span><span><input type="password" id="passwordinput" name="password"/></span><span>校验码：</span><span><input type="text" id="checkcodeinput" name="checkcode"/></span><span id="checkcode_span"></span><span><input type="submit" name="submit" id="login_submit" value="登   陆 "/></span><span><a href="http://www.zhangguiwang.com/registerForm.do" target="_blank">免费注册</a></span></form>');
	}
	else
	{
		if ( zgCookie == 'null' || zgCookie == '' ) 
		{
			document.write('<form name="login_form" action="http://www.zhangguiwang.com/signon.do" method="post"><span>用户名：</span><span><input type="text" id="usernameinput" name="username"/></span><span>密码：</span><span><input type="password" id="passwordinput" name="password"/></span><span>校验码：</span><span><input type="text" id="checkcodeinput" name="checkcode"/></span><span id="checkcode_span"></span><span><input type="submit" name="submit" id="login_submit" value="登   陆 "/></span><span><a href="http://www.zhangguiwang.com/registerForm.do" target="_blank">免费注册</a></span></form>');
		}
		else
		{
			document.write('您好 '+userName+' ！ <a href="http://www.zhangguiwang.com/signout.do">退出</a>\n');
			if(newmessage!=null && parseInt(newmessage)>0)
			{
				document.write('<a href="http://www.zhangguiwang.com/listInSiteMessage.do">您有 '+newmessage+' 条新消息！</a>');
			}
		}
	}
	
	if(lastlogintime!='null' && lastlogintime!='' && zgCookie != 'null' && zgCookie != '')
	{
		document.write("（您最近一次登录时间："+lastlogintime+" ）");
	}
}

$(document).ready(function(){
	$("#checkcodeinput").focus(
		function() {
			$("#checkcode_span").html("<img src=\"http://www.zhangguiwang.com/checkcode\" id=\"checkcodeimg\" />");
		}
	);
});