function enviarvpos(){
	var divOverlay = document.getElementById("overlayvpos");
    var divImgLoad = document.getElementById("imgloadvpos");
    var divModal = document.getElementById("modalvpos");
    divOverlay.style.visibility="visible";
    divImgLoad.style.visibility="visible";
    divModal.style.visibility="visible";
    document.donacionForm.target="iframevpos";
    document.donacionForm.submit();
}