/// <reference name="MicrosoftAjax.js"/>
var prm = Sys.WebForms.PageRequestManager.getInstance();

prm.add_initializeRequest(InitializeRequest);
prm.add_endRequest(EndRequest);
var postBackElement;
function InitializeRequest(sender, args) {
    if (prm.get_isInAsyncPostBack()) {
        args.set_cancel(true);
    }
    postBackElement = args.get_postBackElement();
    if (postBackElement.id == 'ctl00_ContentPlaceHolder1_btnEnviar') {
        $get('ctl00_ContentPlaceHolder1_updPanel').style.display = "block";
        $get('ctl00_ContentPlaceHolder1_lblMessage').style.display = "none";
        $get('ctl00_ContentPlaceHolder1_linhaRetorno').style.display = "none";
        $get('ctl00_ContentPlaceHolder1_fieldsetResultado').style.display = "none";
    }
}
function EndRequest(sender, args) {
    if (postBackElement.id == 'ctl00_ContentPlaceHolder1_btnEnviar') {
        $get('ctl00_ContentPlaceHolder1_updPanel').style.display = "none";
        $get('ctl00_ContentPlaceHolder1_lblMessage').style.display = "block";
        $get('ctl00_ContentPlaceHolder1_linhaRetorno').style.display = "block";
        $get('ctl00_ContentPlaceHolder1_fieldsetResultado').style.display = "block";
    }
}
function AbortPostBack() {
    if (prm.get_isInAsyncPostBack()) {
        prm.abortPostBack();
    }
}