// JavaScript Document

function AjaxRequest() {
    Ajax = false;
    if (window.XMLHttpRequest) { // Mozilla, Safari,...
        Ajax = new XMLHttpRequest();
    } else if (window.ActiveXObject) { // IE
        try {
            Ajax = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                Ajax = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
        }
    }
    return Ajax;
}


function processa(parametros,div,pagina) {
    document.getElementById(div).innerHTML = '<p align="center"><img src="../imagens/load.gif" width="36" height="36" vspace="0" /></p>';

    //alert(valor1);
    //alert(valor2);
    //alert(pagina);

    var req = AjaxRequest();
    if(!req) {
        document.getElementById(pagina).innerHTML = '[Erro na Chamada]';
        return;
    }
   
    req.onreadystatechange = function resultado() {
        if (req.readyState == 4) {
            if (req.status == 200) {
                var response = req.responseText;

                document.getElementById(div).innerHTML = response;
                if (pagina == '_gols') {
                    processa(parametros,'_placar','_placar');
                }
            } else {
                //alert('[Erro no Servidor]');
            }
        }
    }
   
    req.open('GET', pagina+'?v='+parametros+'&z='+Math.ceil(Math.random() * 100000), true);
    req.send(null);
}

function ajaxExecute(parametros, div, pagina, callback) {	
    document.getElementById(div).innerHTML = '<p align="center"><img src="../imagens/load.gif" width="36" height="36" vspace="0" /></p>';

    //alert(valor1);
    //alert(valor2);
    //alert(pagina);

    var req = AjaxRequest();
    if(!req) {
        //document.getElementById(pagina).innerHTML = '[Erro na Chamada]';
        return;
    }
   
    req.onreadystatechange = function resultado() {
        if (req.readyState == 4) {
            if (req.status == 200) {
                var response = req.responseText;
                if(response != ''){
                    document.getElementById(div).innerHTML = response;
                } else {
                    document.getElementById(div).innerHTML = '';   
                }
                if(callback != ''){
                    eval(callback);
                }
               
            } else {
                //alert('[Erro no Servidor]');
            }
        }
    }
   
    req.open('GET', pagina + '?' + parametros + '&z=' + Math.ceil(Math.random() * 100000), true);
    req.send(null);
}