function login()
{
	f = document.loginform;
	
	if (f.username.value == "")
	{
		alert('Please input login name!');
		f.username.focus();
		return;
	}

	if (f.password.value == "")
	{
		alert('Please input input password!');
		f.password.focus();
		return;
	}
	
	f.submit();
}


function $(id) {
	return document.getElementById(id);
}

function HTMLDecode(sText)
{
	var r,re,match,submatch;
	var ss = sText;

	re = /"/g;
	ss = ss.replace(re, "\"");   
	re = /</g;
	ss = ss.replace(re, "<");   
	re = /&gt;/g;
	ss = ss.replace(re, ">");   
	re = /&amp;/g;
	ss = ss.replace(re, "&");   
	re = /&nbsp;/g;
	ss = ss.replace(re, " ");   
	
    return ss;
}