function fnShowNews(){
    fnConcursoChequeraDeVerano()
}
function fnConcursoChequeraDeVerano(){
    var win= window.open('afiche.aspx','fabi','width=420,height=340');
        win.document.write("<img id='popup' src='http://www.beneficioclub.com.ar/images/popup.gif' >");
}