function checkloginform(){
	var username = document.getElementById("UserName").value;
	var password=document.getElementById("password").value;
	if (username.length<2) {
		alert('请填写用户名!');
		document.getElementById("UserName").focus();
		return false;
	}
	if (password.length<2){
		alert('请填写密码!');
		document.getElementById("password").focus();
		return false;
	}
    return true;
}
document.write('<table width="100%" border="0" cellpadding="2" cellspacing="2"><FORM action="http://bbs.examw.com/login.asp?action=chk" method="post" onSubmit="return checkloginform();"><tr><td><div align="right">用户名:</div></td><td><input class="input1" name="UserName" type="text" id="UserName"/></td></tr><tr><td><div align="right">密&nbsp;&nbsp;码:</div></td><td><input class="input1" name="password" type="password" /></td></tr><tr><td colspan="2"><table width="100%" border="0" cellpadding="0" cellspacing="0"><tr><td width="33%"><div align="right"><span class="U"><a href="http://bbs.examw.com/lostpass.asp">找回密码?</a></span></div></td><td width="28%"><input name="submit2" type="button" class="loginInput2" value="注 册" onClick="window.location.href=\'http://bbs.examw.com/reg.asp?action=apply\';"/></td><td width="39%"><input name="submit" type="submit" class="loginInput" value="登 录" /><input type="hidden" name="comeurl" value="this"/></td></tr></table></td></tr></form></table>');