var xmlHttp;
var requestURL = "/portal/ajax.aspx";
var is_ie = (navigator.userAgent.indexOf('MSIE') >= 0) ? 1 : 0;
var is_ie5 = (navigator.appVersion.indexOf("MSIE 5.5") != -1) ? 1 : 0;
var is_opera = ((navigator.userAgent.indexOf("Opera6") != -1) || (navigator.userAgent.indexOf("Opera/6") != -1)) ? 1 : 0;
//netscape, safari, mozilla behave the same??? 
var is_netscape = (navigator.userAgent.indexOf('Netscape') >= 0) ? 1 : 0;

function _envieAmigoVideoENoticia(params) {
    var dv5 = document.getElementById("dv5");
    var el = document.getElementById("player");
    var a = findPos(el);
    dv5.style.left = a[0] + "px";
    dv5.style.top = a[1] + "px";
    dv5.style.display = "block";

    var url = requestURL + "?action=envieVideoAmigoENoticia&" + params;
    xmlHttp = GetXmlHttpObject(stateChangeHandleraddEnvieVideoAmigo);
    xmlHttp_Get(xmlHttp, url);
}

function _envieAmigoVideo(params) {
    var dv5 = document.getElementById("dv5");
    var el = document.getElementById("player");
    var a = findPos(el);
    dv5.style.left = a[0] + "px";
    dv5.style.top = a[1] + "px";
    dv5.style.display = "block";
    
    var url = requestURL + "?action=envieVideoAmigo&" + params;
    xmlHttp = GetXmlHttpObject(stateChangeHandleraddEnvieVideoAmigo);
    xmlHttp_Get(xmlHttp, url);
}

function _ShowGrupo(grupo, Img) {
    var url = requestURL + '?action=noticias&grupo=' + grupo;
    xmlHttp = GetXmlHttpObject(stateChangeHandlerNoticias);
    xmlHttp_Get(xmlHttp, url);
    var img = window.document.getElementById("bt_" + Img);
    //alert(img)
    img.src = "images/canal_noticias/bt_" + Img + "_f2.jpg";
    //images/canal_noticias/bt_esportes_f2.jpg
}

function _addVoto(cdVideo, Voto) {
    var url = requestURL + '?action=addvideovoto&cdvideo=' + cdVideo.toString() + '&voto=' + Voto.toString();
    xmlHttp = GetXmlHttpObject(stateChangeHandleraddVideoVoto);
    xmlHttp_Get(xmlHttp, url);
}

function _addClick(cdVideo) {
    var url = requestURL + '?action=addvideoclick&cdvideo=' + cdVideo.toString();
    xmlHttp = GetXmlHttpObject(stateChangeHandleraddVideoClick);
    xmlHttp_Get(xmlHttp, url);
}

function show_data(strName) {
    if (strName.length > 0) {
        //Append the name to search for to the requestURL 
        var url = requestURL + '?q=' + strName;

        //Create the xmlHttp object to use in the request 
        //stateChangeHandler will fire when the state has changed, i.e. data is received back 
        // This is non-blocking (asynchronous) 
        xmlHttp = GetXmlHttpObject(stateChangeHandler);

        //Send the xmlHttp get to the specified url 
        xmlHttp_Get(xmlHttp, url);
    }
    else {
        //Textbox blanked out, clear the results 
        document.getElementById('nameList').innerHTML = '';
    }
}

function stateChangeHandleraddEnvieVideoAmigo() {
    if (xmlHttp.readyState == 4 || xmlHttp.readyState == 'complete') {
        var dv4 = document.getElementById("dv4");
        var dv5 = document.getElementById("dv5");
        var el = document.getElementById("player");
        var a = findPos(el);
        dv4.style.left = a[0] + "px";
        dv4.style.top = a[1] + "px";
        dv5.style.display = "none";
        dv4.style.display = "block";
    }
}

function stateChangeHandleraddVideoVoto() {
    if (xmlHttp.readyState == 4 || xmlHttp.readyState == 'complete') { }
}

function stateChangeHandleraddVideoClick() {
    if (xmlHttp.readyState == 4 || xmlHttp.readyState == 'complete') { }
}

function stateChangeHandlerNoticias() {
    if (xmlHttp.readyState == 4 || xmlHttp.readyState == 'complete') {
        var str = xmlHttp.responseText;
        document.getElementById('Noticias').innerHTML = str;
    }
}

//stateChangeHandler will fire when the state has changed, i.e. data is received back 
// This is non-blocking (asynchronous) 
function stateChangeHandler() {
    //readyState of 4 or 'complete' represents that data has been returned 
    if (xmlHttp.readyState == 4 || xmlHttp.readyState == 'complete') {
        //Gather the results from the callback 
        var str = xmlHttp.responseText;

        //Populate the innerHTML of the div with the results 
        document.getElementById('nameList').innerHTML = str;
    }
}

// XMLHttp send GET request 
function xmlHttp_Get(xmlhttp, url) {
    xmlhttp.open('GET', url, true);
    xmlhttp.send(null);
}

function GetXmlHttpObject(handler) {
    var objXmlHttp = null;    //Holds the local xmlHTTP object instance 

    //Depending on the browser, try to create the xmlHttp object 
    if (is_ie) {
        //The object to create depends on version of IE 
        //If it isn't ie5, then default to the Msxml2.XMLHTTP object 
        var strObjName = (is_ie5) ? 'Microsoft.XMLHTTP' : 'Msxml2.XMLHTTP';

        //Attempt to create the object 
        try {
            objXmlHttp = new ActiveXObject(strObjName);
            objXmlHttp.onreadystatechange = handler;
        }
        catch (e) {
            //Object creation errored 
            alert('IE detected, but object could not be created. Verify that active scripting and activeX controls are enabled');
            return;
        }
    }
    else if (is_opera) {
        //Opera has some issues with xmlHttp object functionality 
        alert('Opera detected. The page may not behave as expected.');
        return;
    }
    else {
        // Mozilla | Netscape | Safari 
        objXmlHttp = new XMLHttpRequest();
        objXmlHttp.onload = handler;
        objXmlHttp.onerror = handler;
    }

    //Return the instantiated object 
    return objXmlHttp;
}