var xmlHttp;
var timeoutAddDownload;
var DownloadProxy = new Object();
function getXMLHttpRequest() {
    try{
        return new XMLHttpRequest();
    }catch(e){}
    try{
        return new ActiveXObject('Msxm12.XMLHTTP');
    }catch(e){}
    try{
        return new ActiveXObject('Microsoft.XMLHTTP');
    }catch(e){}
}
function handler_getDownload() {
    var resp;
    var html;
    if (xmlHttp.readyState == 4) {
        if (xmlHttp.status == 200) {
           html = "";
           try{resp = eval("(" + xmlHttp.responseText + ")");}catch(e){document.getElementById("id_getDownload").innerHTML = html; return false;}
           if (!isNaN(parseInt(resp.contentData.result))) {
               html = parseInt(resp.contentData.result).toString() + " download";
           }
           document.getElementById("id_getDownload").innerHTML = html;
        }
    }
}
function handler_addDownload() {
    if (xmlHttp.readyState == 4) {
        if (timeoutAddDownload) {
	    clearTimeout(timeoutAddDownload);
            document.location.href = document.getElementById("imgAddDownload").href;
	}
    }
}
function handler_timeoutAddDownload() {
    if (timeoutAddDownload) {
        clearTimeout(timeoutAddDownload);
        document.location.href = document.getElementById("imgAddDownload").href;
    }
}
DownloadProxy.addClick = function(content_id) {
    var url_addClick = "/tecnologia/click/click.jsp?id=" + content_id;
    xmlHttp = getXMLHttpRequest();
    if (xmlHttp) {
        xmlHttp.onreadystatechange = function () {};
        xmlHttp.open("GET", url_addClick , true);
	xmlHttp.send(null);
    }
}
DownloadProxy.addDownload = function(content_id) {
    var url_addDownload = "/tecnologia/download/add_download.jsp?id=" + content_id;
    xmlHttp = getXMLHttpRequest();
    if (xmlHttp) {
        xmlHttp.onreadystatechange = handler_addDownload;
        xmlHttp.open("GET", url_addDownload , true);
     	xmlHttp.send(null);
     	timeoutAddDownload = setTimeout("handler_timeoutAddDownload();", 1000);
    }
    return false;
}
DownloadProxy.getDownload = function(content_id) {
    var url_getDownload = "/tecnologia/download/get_download.jsp?id=" + content_id;
    xmlHttp = getXMLHttpRequest();
    if (xmlHttp) {
        xmlHttp.onreadystatechange = handler_getDownload;
        xmlHttp.open("GET", url_getDownload, true);
     	xmlHttp.send(null);
    }
}