function hideMenu() {
    document.getElementById("nav").style.display="none";
    document.getElementById("hideTopMenuLine").style.display="none";
    document.getElementById("site").style.backgroundImage="url('img/bg_inside2.png')";
    document.getElementById("content").style.width="720px";
}

function login(frm) {
    var user = new String(frm.s_User.value);
    var pw = new String(frm.s_Password.value);
    
    var ret;
    ret=getResponseAJAX("/db/login.asp?u=" + user + "&pw=" + pw);
    
    if (ret!="User Name Not Found" && ret!="Incorrect Password") {
        window.location='/admin/adminIndex.asp';
    } else {
        document.getElementById("msg").innerHTML = ret;
    }
}

function noResponseAJAX(url) {
    var xml;
    
    xml=GetXmlHttpObject()
    if (xml==null)
    {
        alert ("Browser does not support HTTP Request")
        return
    } 
    if (url.indexOf('?')==-1) {
        url+='?ran=' + Math.round(999999*Math.random());
    } else {
        url+='&ran=' + Math.round(999999*Math.random());
    }  
    
    //xmlHttp.onreadystatechange=stateChanged_AJAX
    
    xml.open("GET",url,true)
    xml.send(null)
}

function getResponseAJAX(url) {
    var xml;
    xml=GetXmlHttpObject()
    if (xml==null)
    {
        alert ("Browser does not support HTTP Request")
        return
    } 
    if (url.indexOf('?')==-1) {
        url+='?ran=' + Math.round(999999*Math.random());
    } else {
        url+='&ran=' + Math.round(999999*Math.random());
    }  
    
    //xmlHttp.onreadystatechange=stateChanged_AJAX
    
    xml.open("GET",url,false)
    xml.send(null)
    return xml.responseText;
}


function GetXmlHttpObject() { 
    var objXMLHttp=null;
    if (window.XMLHttpRequest) {
        objXMLHttp=new XMLHttpRequest();
    } else {
        if (window.ActiveXObject) {
            objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
        }
    }
    return objXMLHttp;
} 

function swapClass(obj,cls) {
    if (obj.className=="unselected") {
        return;
    }
    if (obj) {
        if (cls.length!=0) {
            obj.setAttribute("orgClass",obj.className);
            obj.className=cls;
        } else {
            obj.className=obj.getAttribute("orgClass");        
        }
    }
}