var headerisloging = false; function headerlogincheck(){if (headerisloging)return;var e=document.getElementById("headeruid");if (e.value == ""){alert("请输入用户名"); e.focus(); return false;} e=document.getElementById("headerpwd");if (e.value == ""){alert("请输入密码"); e.focus(); return false;}headerisloging = true;document.getElementById("formheaderlogin").action+="&tourl="+escape(window.location.toString());}var objLogin = document.getElementById('UserLoginState'); if (objLogin != null) {objLogin.innerHTML = '<form id="formheaderlogin" action="http://user.winshang.com/login.aspx?act=sub" method="post" onSubmit="return headerlogincheck();"><span class="left">用户名：</span><span class="ipt"><input id="headeruid" name="headeruid" autocomplete="off" type="text" /></span><span class="ftxt">密码：</span><span class="ipt"><input id="headerpwd" name="headerpwd" type="password" /></span> <input type="submit" class="btn_submit" value="" /></span><a href="http://user.winshang.com/regCom.aspx" class="btn_reg" target="_blank" >注册</a><a href="http://user.winshang.com/getpwd.aspx" class="getpwd" target="_blank" >找回密码</a></form>';}